Demos: ensure all use fun main() = application {

- Adjust some demo window sizes.
- Replace Random.double by Double.uniform
- Tweak some demos so screenshots look more interesting

openrndr-demos/src/demo/kotlin/DemoContour03.kt

@@ -4,40 +4,38 @@ import org.openrndr.draw.isolated
 import org.openrndr.shape.Circle
 import org.openrndr.shape.Rectangle
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
 
-        program {
+    program {
-            val cs = Rectangle(0.0, 0.0, 200.0, 200.0).contour
+        val cs = Rectangle(0.0, 0.0, 200.0, 200.0).contour
-            val cc = Circle(100.0, 0.0, 100.0).contour
+        val cc = Circle(100.0, 0.0, 100.0).contour
 
-            extend {
+        extend {
-                drawer.fill = ColorRGBa.GRAY
+            drawer.fill = ColorRGBa.GRAY
-                drawer.stroke = ColorRGBa.PINK
+            drawer.stroke = ColorRGBa.PINK
-                drawer.isolated {
+            drawer.isolated {
-                    drawer.contour(cs)
+                drawer.contour(cs)
-                    drawer.translate(300.0, 0.0)
+                drawer.translate(300.0, 0.0)
 
-                    // this should create a contour similar to the input contour
+                // this should create a contour similar to the input contour
-                    drawer.contour(cs.sampleEquidistant(4))
+                drawer.contour(cs.sampleEquidistant(4))
-                    drawer.contour(cs.sampleEquidistant(3))
+                drawer.contour(cs.sampleEquidistant(3))
-                }
+            }
 
-                drawer.isolated {
+            drawer.isolated {
-                    drawer.translate(.0, 400.0)
+                drawer.translate(.0, 400.0)
-                    drawer.contour(cc)
+                drawer.contour(cc)
-                    drawer.translate(300.0, 0.0)
+                drawer.translate(300.0, 0.0)
 
-                    drawer.contour(cc)
+                drawer.contour(cc)
-                    // this should draw a hexagon
+                // this should draw a hexagon
-                    drawer.contour(cc.sampleEquidistant(6))
+                drawer.contour(cc.sampleEquidistant(6))
-                    // this should draw a triangle
+                // this should draw a triangle
-                    drawer.contour(cc.sampleEquidistant(3))
+                drawer.contour(cc.sampleEquidistant(3))
-                }
             }
         }
     }

openrndr-demos/src/demo/kotlin/DemoLineCapJoin.kt

@@ -13,38 +13,36 @@ import org.openrndr.shape.Triangle
  * a 3x3 grid of triangles and lines.
  */
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
 
-        program {
+    program {
-            val font = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 20.0)
+        val font = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 20.0)
-            val pointA = Vector2(0.0, 50.0)
+        val pointA = Vector2(0.0, 50.0)
-            val pointB = Vector2(50.0, -20.0)
+        val pointB = Vector2(50.0, -20.0)
-            val pointC = Vector2(-50.0, 0.0)
+        val pointC = Vector2(-50.0, 0.0)
-            val triangle = Triangle(pointA, pointB, pointC).contour
+        val triangle = Triangle(pointA, pointB, pointC).contour
 
-            extend {
+        extend {
-                drawer.apply {
+            drawer.apply {
-                    fill = ColorRGBa.GRAY
+                fill = ColorRGBa.GRAY
-                    stroke = ColorRGBa.PINK
+                stroke = ColorRGBa.PINK
-                    strokeWeight = 8.0
+                strokeWeight = 8.0
-                    fontMap = font
+                fontMap = font
-                    LineCap.entries.forEachIndexed { x, cap ->
+                LineCap.entries.forEachIndexed { x, cap ->
-                        lineCap = cap
+                    lineCap = cap
-                        LineJoin.entries.forEachIndexed { y, join ->
+                    LineJoin.entries.forEachIndexed { y, join ->
-                            lineJoin = join
+                        lineJoin = join
-                            val pos = IntVector2(x - 1, y - 1).vector2 * 180.0
+                        val pos = IntVector2(x - 1, y - 1).vector2 * 180.0
-                            isolated {
+                        isolated {
-                                translate(bounds.position(0.46, 0.46) + pos)
+                            translate(bounds.position(0.46, 0.46) + pos)
-                                text("cap: ${cap.name}", -30.5, 80.5)
+                            text("cap: ${cap.name}", -30.5, 80.5)
-                                text("join: ${join.name}", -30.5, 100.5)
+                            text("join: ${join.name}", -30.5, 100.5)
-                                contour(triangle)
+                            contour(triangle)
-                                lineSegment(pointA - pointC, pointB - pointC)
+                            lineSegment(pointA - pointC, pointB - pointC)
-                            }
                         }
                     }
                 }

orx-composition/src/jvmDemo/kotlin/DemoCompositionDrawer01.kt

@@ -2,41 +2,37 @@ import org.openrndr.application
 import org.openrndr.color.ColorRGBa
 import org.openrndr.extra.composition.composition
 import org.openrndr.extra.composition.drawComposition
-import org.openrndr.extra.svg.saveToFile
 import org.openrndr.extra.svg.toSVG
 import org.openrndr.math.Vector2
-import java.io.File
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val composition = drawComposition {
-            val composition = drawComposition {
+            val layer = group {
-                val layer = group {
+                fill = ColorRGBa.PINK
-                    fill = ColorRGBa.PINK
+                stroke = ColorRGBa.BLACK
-                    stroke = ColorRGBa.BLACK
+                strokeWeight = 10.0
-                    strokeWeight = 10.0
+                circle(Vector2(width / 2.0, height / 2.0), 100.0)
-                    circle(Vector2(width / 2.0, height / 2.0), 100.0)
+                circle(Vector2(200.0, 200.0), 50.0)
-                    circle(Vector2(200.0, 200.0), 50.0)
-                }
-                // demonstrating how to set custom attributes on the CompositionNode
-                // these are stored in SVG
-                //layer.id = "Layer_2"
-                //layer.attributes["inkscape:label"] = "Layer 1"
-                //layer.attributes["inkscape:groupmode"] = "layer"
             }
+            // demonstrating how to set custom attributes on the CompositionNode
+            // these are stored in SVG
+            //layer.id = "Layer_2"
+            //layer.attributes["inkscape:label"] = "Layer 1"
+            //layer.attributes["inkscape:groupmode"] = "layer"
+        }
 
-            // print the svg to the console
+        // print the svg to the console
-            println(composition.toSVG())
+        println(composition.toSVG())
 
-            // save svg to a File
+        // save svg to a File
-            //composition.saveToFile(File("/path/to/design.svg"))
+        //composition.saveToFile(File("/path/to/design.svg"))
 
-            extend {
+        extend {
-                drawer.clear(ColorRGBa.WHITE)
+            drawer.clear(ColorRGBa.WHITE)
 
-                // draw the composition to the screen
+            // draw the composition to the screen
-                drawer.composition(composition)
+            drawer.composition(composition)
-            }
         }
     }
 }

orx-composition/src/jvmDemo/kotlin/DemoCompositionDrawer02.kt

@@ -4,23 +4,21 @@ import org.openrndr.extra.composition.ClipMode
 import org.openrndr.extra.composition.composition
 import org.openrndr.extra.composition.drawComposition
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val cd = drawComposition {
-            val cd = drawComposition {
+            fill = null
-                fill = null
+            circle(width / 2.0, height / 2.0, 100.0)
-                circle(width / 2.0, height / 2.0, 100.0)
 
-                fill = ColorRGBa.BLACK
+            fill = ColorRGBa.BLACK
-                clipMode = ClipMode.REVERSE_DIFFERENCE
+            clipMode = ClipMode.REVERSE_DIFFERENCE
-                circle(width / 2.0 + 50.0, height / 2.0, 100.0)
+            circle(width / 2.0 + 50.0, height / 2.0, 100.0)
-            }
+        }
 
 
-            extend {
+        extend {
-                drawer.clear(ColorRGBa.PINK)
+            drawer.clear(ColorRGBa.PINK)
-                drawer.composition(cd)
+            drawer.composition(cd)
-            }
         }
     }
 }

orx-composition/src/jvmDemo/kotlin/DemoCompositionDrawer03.kt

@@ -4,25 +4,22 @@ import org.openrndr.extra.composition.ClipMode
 import org.openrndr.extra.composition.composition
 import org.openrndr.extra.composition.drawComposition
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val cd = drawComposition {
-            val cd = drawComposition {
+            fill = null
-                fill = null
+            clipMode = ClipMode.REVERSE_DIFFERENCE
-                clipMode = ClipMode.REVERSE_DIFFERENCE
 
-                circle(width / 2.0-50.0, height / 2.0, 100.0)
+            circle(width / 2.0 - 50.0, height / 2.0, 100.0)
-                circle(width / 2.0+50.0, height / 2.0, 100.0)
+            circle(width / 2.0 + 50.0, height / 2.0, 100.0)
 
-                fill = ColorRGBa.BLACK
+            fill = ColorRGBa.BLACK
-                circle(width / 2.0, height / 2.0, 100.0)
+            circle(width / 2.0, height / 2.0, 100.0)
-            }
+        }
 
-
+        extend {
-            extend {
+            drawer.clear(ColorRGBa.PINK)
-                drawer.clear(ColorRGBa.PINK)
+            drawer.composition(cd)
-                drawer.composition(cd)
-            }
         }
     }
 }

orx-compositor/README.md

@@ -201,38 +201,36 @@ import org.openrndr.extra.fx.edges.EdgesWork
 import org.openrndr.extra.gui.GUI
 import org.openrndr.math.Vector2
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 768
-            width = 768
+        height = 768
-            height = 768
+    }
-        }
+    program {
-        program {
+        val w2 = width / 2.0
-            val w2 = width / 2.0
+        val h2 = height / 2.0
-            val h2 = height / 2.0
+
+        val c = compose {
+            draw {
+                drawer.fill = ColorRGBa.PINK
+                drawer.circle(width / 2.0, height / 2.0, 10.0)
+            }
+
+            layer {
+                blend(Add())
 
-            val c = compose {
                 draw {
-                    drawer.fill = ColorRGBa.PINK
+                    drawer.circle(width / 2.0, height / 2.0, 100.0)
-                    drawer.circle(width / 2.0, height / 2.0, 10.0)
                 }
-    
+                post(ApproximateGaussianBlur()) {
-                layer {
+                    window = 10
-                    blend(Add())
+                    sigma = Math.cos(seconds * 10.0) * 10.0 + 10.0
-
-                    draw {
-                        drawer.circle(width / 2.0, height / 2.0, 100.0)
-                    }
-                    post(ApproximateGaussianBlur()) {
-                        window = 10
-                        sigma = Math.cos(seconds * 10.0) * 10.0 + 10.0
-                    }
                 }
             }
-            extend(gui)
+        }
-            extend {
+        extend(gui)
-                c.draw(drawer)
+        extend {
-            }
+            c.draw(drawer)
         }
     }
 }

orx-compositor/src/jvmDemo/kotlin/DemoAside01.kt

@@ -6,29 +6,31 @@ import org.openrndr.extra.fx.blur.HashBlurDynamic
 import org.openrndr.extra.fx.patterns.Checkers
 import kotlin.math.cos
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        program {
+        width = 720
-            val c = compose {
+        height = 720
-                layer {
+    }
-                    val a = aside(colorType = ColorType.FLOAT32) {
+    program {
-                        post(Checkers()) {
+        val c = compose {
-                            this.size = cos(seconds)*0.5 + 0.5
+            layer {
-                        }
+                val a = aside(colorType = ColorType.FLOAT32) {
-                    }
+                    post(Checkers()) {
-                    draw {
+                        this.size = cos(seconds + 2.0) * 0.5 + 0.5
-                        drawer.clear(ColorRGBa.GRAY.shade(0.5))
-                        drawer.circle(width/2.0, height/2.0, 100.0)
-                    }
-                    post(HashBlurDynamic(), a) {
-                        time = seconds
-                        radius = 25.0
                     }
                 }
+                draw {
+                    drawer.clear(ColorRGBa.GRAY.shade(0.5))
+                    drawer.circle(width / 2.0, height / 2.0, 100.0)
+                }
+                post(HashBlurDynamic(), a) {
+                    time = seconds
+                    radius = 25.0
+                }
             }
-            extend {
+        }
-                c.draw(drawer)
+        extend {
-            }
+            c.draw(drawer)
         }
     }
 }

orx-compositor/src/jvmDemo/kotlin/DemoCompositor01.kt

@@ -17,8 +17,8 @@ import kotlin.random.Random
  */
 fun main() = application {
     configure {
-        width = 900
+        width = 720
-        height = 900
+        height = 720
     }
 
     program {

orx-compositor/src/jvmDemo/kotlin/DemoCompositor02.kt

@@ -14,10 +14,9 @@ import org.openrndr.shape.Rectangle
  * Try changing which layer has multisampling applied and observe the results.
  */
 fun main() = application {
-    System.setProperty("org.openrndr.gl3.debug", "true")
     configure {
-        width = 800
+        width = 720
-        height = 800
+        height = 720
     }
 
     program {
@@ -25,17 +24,17 @@ fun main() = application {
             layer(multisample = BufferMultisample.SampleCount(4)) {
                 draw {
                     drawer.translate(drawer.bounds.center)
-                    drawer.rotate(seconds)
+                    drawer.rotate(seconds + 5)
                     drawer.fill = ColorRGBa.PINK
                     drawer.rectangle(Rectangle.fromCenter(Vector2.ZERO, 200.0))
                 }
 
-                layer {
+                layer() {
                     blend(Normal()) {
                         clip = true
                     }
                     draw {
-                        drawer.rotate(seconds * -2)
+                        drawer.rotate((seconds + 5) * -2)
                         drawer.fill = ColorRGBa.WHITE
                         drawer.rectangle(Rectangle.fromCenter(Vector2.ZERO, 200.0))
                     }

orx-delegate-magic/src/jvmDemo/kotlin/DemoDifferencing01.kt

@@ -8,33 +8,31 @@ import org.openrndr.extra.gui.GUI
 import org.openrndr.extra.parameters.DoubleParameter
 import org.openrndr.math.Vector2
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val gui = GUI()
-            val gui = GUI()
 
-            val state = object {
+        val state = object {
-                @DoubleParameter("radius", 0.0, 200.0)
+            @DoubleParameter("radius", 0.0, 200.0)
-                var radius = 100.0
+            var radius = 100.0
 
-                val difference by differencing(::radius)
+            val difference by differencing(::radius)
-                val differenceHistory by tracking(::difference)
+            val differenceHistory by tracking(::difference)
-                val differenceMax by aggregating(::differenceHistory) {
+            val differenceMax by aggregating(::differenceHistory) {
-                    it.maxMag()
+                it.maxMag()
-                }
             }
+        }
 
-            gui.add(state, "state")
+        gui.add(state, "state")
 
-            extend(gui)
+        extend(gui)
-            extend {
+        extend {
-                drawer.circle(drawer.bounds.center, state.radius)
+            drawer.circle(drawer.bounds.center, state.radius)
-                drawer.stroke = ColorRGBa.GREEN
+            drawer.stroke = ColorRGBa.GREEN
-                drawer.lineSegment(drawer.bounds.center, drawer.bounds.center + Vector2(state.difference, 0.0))
+            drawer.lineSegment(drawer.bounds.center, drawer.bounds.center + Vector2(state.difference, 0.0))
-                drawer.translate(0.0, 4.0)
+            drawer.translate(0.0, 4.0)
-                drawer.stroke = ColorRGBa.BLUE
+            drawer.stroke = ColorRGBa.BLUE
-                drawer.lineSegment(drawer.bounds.center, drawer.bounds.center + Vector2(state.differenceMax, 0.0))
+            drawer.lineSegment(drawer.bounds.center, drawer.bounds.center + Vector2(state.differenceMax, 0.0))
-            }
         }
     }
 }

orx-easing/src/jvmDemo/kotlin/DemoEasings01.kt

@@ -12,68 +12,66 @@ import org.openrndr.math.map
  * [grid] is used to layout graphs on rows and columns.
  *
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 1280
-            width = 1280
+        height = 1080
-            height = 1080
+    }
-        }
+    program {
-        program {
+        val font = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 20.0)
-            val font = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 20.0)
 
-            // grid `columns * rows` must be >= Easing.values().size
+        // grid `columns * rows` must be >= Easing.values().size
-            val grid = drawer.bounds.grid(
+        val grid = drawer.bounds.grid(
-                3, 11, 10.0, 10.0, 10.0, 10.0
+            3, 11, 10.0, 10.0, 10.0, 10.0
-            ).flatten()
+        ).flatten()
 
-            // make pairs of (easing function, grid rectangle)
+        // make pairs of (easing function, grid rectangle)
-            val pairs = Easing.values() zip grid
+        val pairs = Easing.entries.toTypedArray() zip grid
 
-            extend {
+        extend {
-                // ~4 seconds animation loop
+            // ~4 seconds animation loop
-                val animT = (frameCount % 240) / 60.0
+            val animT = (frameCount % 240) / 60.0
 
-                pairs.forEach { (easing, gridRect) ->
+            pairs.forEach { (easing, gridRect) ->
 
-                    // background rectangle
+                // background rectangle
-                    drawer.stroke = null
+                drawer.stroke = null
-                    drawer.fill = ColorRGBa.WHITE.opacify(0.3)
+                drawer.fill = ColorRGBa.WHITE.opacify(0.3)
-                    drawer.rectangle(gridRect)
+                drawer.rectangle(gridRect)
 
-                    // graph
+                // graph
-                    drawer.stroke = ColorRGBa.PINK
+                drawer.stroke = ColorRGBa.PINK
-                    val points = List(40) {
+                val points = List(40) {
-                        val curveT = it / 39.0
+                    val curveT = it / 39.0
-                        gridRect.position(
+                    gridRect.position(
-                            curveT, easing.function(curveT, 1.0, -1.0, 1.0)
+                        curveT, easing.function(curveT, 1.0, -1.0, 1.0)
-                        )
-                    }
-                    drawer.lineStrip(points)
-
-                    // label
-                    drawer.fill = ColorRGBa.WHITE
-                    drawer.stroke = null
-                    drawer.fontMap = font
-                    drawer.text(
-                        easing.name,
-                        // text position rounded for crisp font rendering
-                        gridRect.position(0.02, 0.25).toInt().vector2
                     )
-
-                    // animation
-                    drawer.fill = ColorRGBa.WHITE.opacify(
-                        when {                         // 4-stage opacity
-                            animT > 3.0 -> 0.0         // invisible
-                            animT > 2.0 -> 3.0 - animT // fade-out
-                            animT < 1.0 -> animT       // fade-in
-                            else -> 1.0                // visible
-                        }
-                    )
-                    // move only while visible (when loop time in 1.0..2.0)
-                    val t = animT.map(1.0, 2.0, 0.0, 1.0, true)
-                    val xy = Vector2(1.0, easing.function(t, 1.0, -1.0, 1.0))
-                    drawer.circle(gridRect.position(xy), 5.0)
                 }
+                drawer.lineStrip(points)
+
+                // label
+                drawer.fill = ColorRGBa.WHITE
+                drawer.stroke = null
+                drawer.fontMap = font
+                drawer.text(
+                    easing.name,
+                    // text position rounded for crisp font rendering
+                    gridRect.position(0.02, 0.25).toInt().vector2
+                )
+
+                // animation
+                drawer.fill = ColorRGBa.WHITE.opacify(
+                    when {                         // 4-stage opacity
+                        animT > 3.0 -> 0.0         // invisible
+                        animT > 2.0 -> 3.0 - animT // fade-out
+                        animT < 1.0 -> animT       // fade-in
+                        else -> 1.0                // visible
+                    }
+                )
+                // move only while visible (when loop time in 1.0..2.0)
+                val t = animT.map(1.0, 2.0, 0.0, 1.0, true)
+                val xy = Vector2(1.0, easing.function(t, 1.0, -1.0, 1.0))
+                drawer.circle(gridRect.position(xy), 5.0)
             }
         }
     }

orx-envelopes/src/jvmDemo/kotlin/DemoADSRTracker01.kt

@@ -2,34 +2,32 @@ import org.openrndr.application
 import org.openrndr.draw.loadFont
 import org.openrndr.extra.envelopes.ADSRTracker
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val tracker = ADSRTracker(this)
-            val tracker = ADSRTracker(this)
+        tracker.attack = 1.0
-            tracker.attack = 1.0
+        tracker.decay = 0.2
-            tracker.decay = 0.2
+        tracker.sustain = 0.8
-            tracker.sustain = 0.8
+        tracker.release = 2.0
-            tracker.release = 2.0
 
-            keyboard.keyDown.listen {
+        keyboard.keyDown.listen {
-                if (it.name == "t")
+            if (it.name == "t")
-                    tracker.triggerOn()
+                tracker.triggerOn()
+        }
+        keyboard.keyUp.listen {
+            if (it.name == "t")
+                tracker.triggerOff()
+        }
+        extend {
+            tracker.values().forEach {
+                drawer.circle(40.0, 40.0, 20.0 * it.value)
+                drawer.translate(40.0, 0.0)
             }
-            keyboard.keyUp.listen {
+            drawer.defaults()
-                if (it.name == "t")
+            drawer.circle(drawer.bounds.center, 100.0 * tracker.value())
-                    tracker.triggerOff()
-            }
-            extend {
-                tracker.values().forEach {
-                    drawer.circle(40.0, 40.0, 20.0 * it.value)
-                    drawer.translate(40.0, 0.0)
-                }
-                drawer.defaults()
-                drawer.circle(drawer.bounds.center, 100.0 * tracker.value())
 
-                drawer.fontMap = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 16.0)
+            drawer.fontMap = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 16.0)
-                drawer.text("press and hold 't'", 20.0, height - 20.0)
+            drawer.text("press and hold 't'", 20.0, height - 20.0)
-            }
         }
     }
 }

orx-envelopes/src/jvmDemo/kotlin/DemoADSRTracker02.kt

@@ -4,43 +4,41 @@ import org.openrndr.extra.envelopes.ADSRTracker
 import org.openrndr.extra.noise.shapes.uniform
 import org.openrndr.shape.Rectangle
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val tracker = ADSRTracker(this)
-            val tracker = ADSRTracker(this)
+        tracker.attack = 1.0
-            tracker.attack = 1.0
+        tracker.decay = 0.2
-            tracker.decay = 0.2
+        tracker.sustain = 0.8
-            tracker.sustain = 0.8
+        tracker.release = 2.0
-            tracker.release = 2.0
 
-            keyboard.keyDown.listen {
+        keyboard.keyDown.listen {
-                if (it.name == "t") {
+            if (it.name == "t") {
-                    val center = drawer.bounds.offsetEdges(-30.0).uniform()
+                val center = drawer.bounds.offsetEdges(-30.0).uniform()
-                    tracker.triggerOn(0) { time, value, position ->
+                tracker.triggerOn(0) { time, value, position ->
-                        drawer.circle(center, value * 100.0)
+                    drawer.circle(center, value * 100.0)
-                    }
-                }
-                if (it.name == "r") {
-                    val center = drawer.bounds.offsetEdges(-30.0).uniform()
-                    tracker.triggerOn(1) { time, value, position ->
-                        val r = Rectangle.fromCenter(center, width = value * 100.0, height = value * 100.0)
-                        drawer.rectangle(r)
-                    }
                 }
             }
-            keyboard.keyUp.listen {
+            if (it.name == "r") {
-                if (it.name == "t")
+                val center = drawer.bounds.offsetEdges(-30.0).uniform()
-                    tracker.triggerOff(0)
+                tracker.triggerOn(1) { time, value, position ->
-                if (it.name == "r")
+                    val r = Rectangle.fromCenter(center, width = value * 100.0, height = value * 100.0)
-                    tracker.triggerOff(1)
+                    drawer.rectangle(r)
-            }
-            extend {
-                tracker.values().forEach {
-                    it()
                 }
-                drawer.fontMap = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 16.0)
-                drawer.text("press and hold 't' and/or 'r'", 20.0, height - 20.0)
             }
         }
+        keyboard.keyUp.listen {
+            if (it.name == "t")
+                tracker.triggerOff(0)
+            if (it.name == "r")
+                tracker.triggerOff(1)
+        }
+        extend {
+            tracker.values().forEach {
+                it()
+            }
+            drawer.fontMap = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 16.0)
+            drawer.text("press and hold 't' and/or 'r'", 20.0, height - 20.0)
+        }
     }
 }

orx-expression-evaluator/src/jvmDemo/kotlin/DemoExpressionEvaluator01.kt

@@ -4,43 +4,41 @@ import org.openrndr.extra.gui.GUI
 import org.openrndr.extra.gui.addTo
 import org.openrndr.extra.parameters.TextParameter
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val gui = GUI()
-            val gui = GUI()
+        gui.compartmentsCollapsedByDefault = false
-            gui.compartmentsCollapsedByDefault = false
 
-            val settings = object {
+        val settings = object {
-                @TextParameter("x expression", order = 10)
+            @TextParameter("x expression", order = 10)
-                var xExpression = "cos(t) * 50.0 + width / 2.0"
+            var xExpression = "cos(t) * 50.0 + width / 2.0"
 
-                @TextParameter("y expression", order = 20)
+            @TextParameter("y expression", order = 20)
-                var yExpression = "sin(t) * 50.0 + height / 2.0"
+            var yExpression = "sin(t) * 50.0 + height / 2.0"
 
-                @TextParameter("radius expression", order = 30)
+            @TextParameter("radius expression", order = 30)
-                var radiusExpression = "cos(t) * 50.0 + 50.0"
+            var radiusExpression = "cos(t) * 50.0 + 50.0"
-            }.addTo(gui)
+        }.addTo(gui)
 
-            extend(gui)
+        extend(gui)
-            extend {
+        extend {
-                //gui.visible = mouse.position.x < 200.0
+            //gui.visible = mouse.position.x < 200.0
 
-                val expressionContext =
+            val expressionContext =
-                    mapOf("t" to seconds, "width" to drawer.bounds.width, "height" to drawer.bounds.height)
+                mapOf("t" to seconds, "width" to drawer.bounds.width, "height" to drawer.bounds.height)
 
-                fun eval(expression: String): Double =
+            fun eval(expression: String): Double =
-                    try {
+                try {
-                        evaluateExpression(expression, expressionContext) ?: 0.0
+                    evaluateExpression(expression, expressionContext) ?: 0.0
-                    } catch (e: Throwable) {
+                } catch (e: Throwable) {
-                        0.0
+                    0.0
-                    }
+                }
 
-                val x = eval(settings.xExpression)
+            val x = eval(settings.xExpression)
-                val y = eval(settings.yExpression)
+            val y = eval(settings.yExpression)
-                val radius = eval(settings.radiusExpression)
+            val radius = eval(settings.radiusExpression)
 
-                drawer.circle(x, y, radius)
+            drawer.circle(x, y, radius)
-            }
         }
     }
 }

orx-expression-evaluator/src/jvmDemo/kotlin/DemoExpressionEvaluator02.kt

@@ -8,37 +8,35 @@ import org.openrndr.extra.parameters.TextParameter
  * Improved version of DemoExpressionEvaluator01, it uses [watchingExpression1] to automatically convert an expression
  * string into a function with a parameter "t".
  */
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val gui = GUI()
-            val gui = GUI()
+        gui.compartmentsCollapsedByDefault = false
-            gui.compartmentsCollapsedByDefault = false
 
-            // the constants used in our expressions
+        // the constants used in our expressions
-            val constants = mutableMapOf("width" to drawer.width.toDouble(), "height" to drawer.height.toDouble())
+        val constants = mutableMapOf("width" to drawer.width.toDouble(), "height" to drawer.height.toDouble())
 
-            val settings = object {
+        val settings = object {
-                @TextParameter("x expression", order = 10)
+            @TextParameter("x expression", order = 10)
-                var xExpression = "cos(t) * 50.0 + width / 2.0"
+            var xExpression = "cos(t) * 50.0 + width / 2.0"
 
-                @TextParameter("y expression", order = 20)
+            @TextParameter("y expression", order = 20)
-                var yExpression = "sin(t) * 50.0 + height / 2.0"
+            var yExpression = "sin(t) * 50.0 + height / 2.0"
 
-                @TextParameter("radius expression", order = 30)
+            @TextParameter("radius expression", order = 30)
-                var radiusExpression = "cos(t) * 50.0 + 50.0"
+            var radiusExpression = "cos(t) * 50.0 + 50.0"
-            }.addTo(gui)
+        }.addTo(gui)
 
-            val xFunction by watchingExpression1(settings::xExpression, "t", constants)
+        val xFunction by watchingExpression1(settings::xExpression, "t", constants)
-            val yFunction by watchingExpression1(settings::yExpression, "t", constants)
+        val yFunction by watchingExpression1(settings::yExpression, "t", constants)
-            val radiusFunction by watchingExpression1(settings::radiusExpression, "t", constants)
+        val radiusFunction by watchingExpression1(settings::radiusExpression, "t", constants)
 
-            extend(gui)
+        extend(gui)
-            extend {
+        extend {
-                val x = xFunction(seconds)
+            val x = xFunction(seconds)
-                val y = yFunction(seconds)
+            val y = yFunction(seconds)
-                val radius = radiusFunction(seconds)
+            val radius = radiusFunction(seconds)
-                drawer.circle(x, y, radius)
+            drawer.circle(x, y, radius)
-            }
         }
     }
 }

orx-fcurve/README.md

@@ -118,26 +118,25 @@ Drawing FCurves is useful for debugging, but their typical use is for animation.
 The FCurve sampler allows us to query values for the given time value like this:
 
 ```kotlin
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val xCurve = fcurve(
-            val xCurve = fcurve(
+            """
-                """
+            M320 H0.4 
-                M320 H0.4 
+            S2,0, 2,320 
-                S2,0, 2,320 
+            S2,0, 2,320 
-                S2,0, 2,320 
+            S2,0, 2,320 
-                S2,0, 2,320 
+            S2,0, 2,320 
-                S2,0, 2,320 
+            T0.6,320
-                T0.6,320
+            """
-                """.trimIndent()
+        )
-            ).sampler() // <--
+        val xCurveSampler = xCurve.sampler()
-            extend {
+        extend {
-                drawer.circle(
+            drawer.circle(
-                    xCurve(seconds % 9.0), 
+                xCurveSampler(seconds % 9.0), 
-                    height * 0.5, 
+                240.0, 
-                    20.0
+                20.0
-                )
+            )
-            }
         }
     }
 }
@@ -194,6 +193,7 @@ For example `(M0 (h1 m1)[3])[2]` expands to `M0 h1 m1 h1 m1 h1 m1 M0 h1 m1 h1 m1
 
 
 # References
+
  * https://x.com/ruby0x1/status/1258252352672247814
  * https://blender.stackexchange.com/questions/52403/what-is-the-mathematical-basis-for-f-curves/52468#52468
  * https://pomax.github.io/bezierinfo/#yforx
@@ -210,6 +210,11 @@ For example `(M0 (h1 m1)[3])[2]` expands to `M0 h1 m1 h1 m1 h1 m1 M0 h1 m1 h1 m1
 
 ![DemoFCurve02Kt](https://raw.githubusercontent.com/openrndr/orx/media/orx-fcurve/images/DemoFCurve02Kt.png)
 
+### DemoFCurve03
+[source code](src/jvmDemo/kotlin/DemoFCurve03.kt)
+
+![DemoFCurve03Kt](https://raw.githubusercontent.com/openrndr/orx/media/orx-fcurve/images/DemoFCurve03Kt.png)
+
 ### DemoFCurveSheet01
 [source code](src/jvmDemo/kotlin/DemoFCurveSheet01.kt)
 

orx-fcurve/src/jvmDemo/kotlin/DemoFCurve01.kt

@@ -1,19 +1,17 @@
 import org.openrndr.application
 import org.openrndr.extra.fcurve.fcurve
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        val xpos = fcurve("M0 Q4,360,5,720").sampler()
-            val xpos = fcurve("M0 Q4,360,5,720").sampler()
+        val ypos = fcurve("M360 h5").sampler()
-            val ypos = fcurve("M360 h5").sampler()
 
-            extend {
+        extend {
-                drawer.circle(xpos(seconds.mod(5.0)), ypos(seconds.mod(5.0)), 100.0)
+            drawer.circle(xpos(seconds.mod(5.0)), ypos(seconds.mod(5.0)), 100.0)
-            }
         }
     }
 }

orx-fcurve/src/jvmDemo/kotlin/DemoFCurve02.kt

@@ -3,26 +3,24 @@ import org.openrndr.color.ColorRGBa
 import org.openrndr.extra.fcurve.fcurve
 import org.openrndr.math.Vector2
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        val xposCurve = fcurve("M0 Q4,360,5,720")
-            val xposCurve = fcurve("M0 Q4,360,5,720")
+        val xpos = xposCurve.sampler()
-            val xpos = xposCurve.sampler()
+        val yposCurve = fcurve("M360 h5")
-            val yposCurve = fcurve("M360 h5")
+        val ypos = yposCurve.sampler()
-            val ypos = yposCurve.sampler()
 
-            extend {
+        extend {
-                drawer.circle(xpos(seconds.mod(5.0)), ypos(seconds.mod(5.0)), 100.0)
+            drawer.circle(xpos(seconds.mod(5.0)), ypos(seconds.mod(5.0)), 100.0)
-                drawer.stroke = ColorRGBa.PINK
+            drawer.stroke = ColorRGBa.PINK
-                drawer.contours(xposCurve.contours(Vector2(720.0 / 5.0, -1.0), Vector2(0.0, height * 1.0)))
+            drawer.contours(xposCurve.contours(Vector2(720.0 / 5.0, -1.0), Vector2(0.0, height * 1.0)))
-                drawer.contours(yposCurve.contours(Vector2(720.0 / 5.0, -1.0), Vector2(0.0, height * 1.0)))
+            drawer.contours(yposCurve.contours(Vector2(720.0 / 5.0, -1.0), Vector2(0.0, height * 1.0)))
-                drawer.translate(seconds.mod(5.0)*(720.0/5.0), 0.0)
+            drawer.translate(seconds.mod(5.0) * (720.0 / 5.0), 0.0)
-                drawer.lineSegment(0.0, 0.0, 0.0, 720.0)
+            drawer.lineSegment(0.0, 0.0, 0.0, 720.0)
-            }
         }
     }
 }

orx-fcurve/src/jvmDemo/kotlin/DemoMultiFCurve01.kt

@@ -3,26 +3,26 @@ import org.openrndr.extra.fcurve.MultiFCurve
 import org.openrndr.extra.fcurve.fcurve
 import org.openrndr.extra.fcurve.vector2
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        class XYAnimation : MultiFCurve(
-            class XYAnimation : MultiFCurve(mapOf(
+            mapOf(
                 "x" to fcurve("M0 Q4,360,5,720"),
                 "y" to fcurve("M360 h5")
-            )) {
+            )
-                val position = vector2("x", "y")
+        ) {
-            }
+            val position = vector2("x", "y")
+        }
 
-            val xyAnimation = XYAnimation()
+        val xyAnimation = XYAnimation()
-            val position = xyAnimation.position.sampler()
+        val position = xyAnimation.position.sampler()
 
-            extend {
+        extend {
-                drawer.circle(position(seconds.mod(5.0)), 100.0)
+            drawer.circle(position(seconds.mod(5.0)), 100.0)
-            }
         }
     }
 }

orx-fft/src/jvmDemo/kotlin/DemoFFTShape01.kt

@@ -9,148 +9,148 @@ import org.openrndr.math.Vector2
 import org.openrndr.math.smoothstep
 import org.openrndr.math.transforms.buildTransform
 import org.openrndr.shape.LineSegment
-import kotlin.math.*
+import kotlin.math.max
 import kotlin.random.Random
 
 /**
  * Demonstration of using FFT to filter a two-dimensional shape. Mouse xy-position is mapped
  * to lowpass and highpass settings of the filter.
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
+    program {
+        val fftSize = 512
+        val fft = FFT(fftSize)
+        fun List<Vector2>.toFloatArrays(x: FloatArray, y: FloatArray) {
+            for ((index, segment) in this.withIndex()) {
+                x[index] = segment.x.toFloat()
+                y[index] = segment.y.toFloat()
+            }
         }
-        program {
+
-            val fftSize = 512
+        fun vectorsFromFloatArrays(x: FloatArray, y: FloatArray): List<Vector2> {
-            val fft = FFT(fftSize)
+            val n = x.size
-            fun List<Vector2>.toFloatArrays(x: FloatArray, y: FloatArray) {
+            val result = mutableListOf<Vector2>()
-                for ((index, segment) in this.withIndex()) {
+            for (i in 0 until n) {
-                    x[index] = segment.x.toFloat()
+                result.add(Vector2(x[i].toDouble(), y[i].toDouble()))
-                    y[index] = segment.y.toFloat()
+            }
-                }
+            return result
+        }
+
+        fun lp(t: Double, c: Double): Double {
+            return smoothstep(c, c - 0.1, t)
+        }
+
+        fun hp(t: Double, c: Double): Double {
+            return smoothstep(c, c + 0.1, t)
+        }
+
+        val c = hobbyCurve(
+            drawer.bounds.scatter(30.0, distanceToEdge = 100.0, random = Random(3)).filter {
+                Random.nextBoolean()
+            },
+            true
+        ).transform(buildTransform { translate(-drawer.bounds.center) })
+
+        val x = FloatArray(fftSize)
+        val y = FloatArray(fftSize)
+
+        val xFiltered = FloatArray(fftSize)
+        val yFiltered = FloatArray(fftSize)
+
+        extend {
+            c.equidistantPositions(fftSize).toFloatArrays(x, y)
+
+            // process x-component
+            fft.forward(x)
+
+            drawer.stroke = ColorRGBa.GRAY.shade(0.5)
+            drawer.lineSegments((0 until fft.size / 2).map {
+                LineSegment(
+                    it.toDouble() * 2.0 + 0.5,
+                    height * 0.5,
+                    it.toDouble() * 2.0 + 0.5,
+                    height * 0.5 - fft.magnitude(it) / 200.0,
+                )
+            })
+
+
+            val xpower = fft.magnitudeSum()
+
+            val hpc = mouse.position.x / width
+            val lpc = mouse.position.y / height
+
+            for (i in 1..fftSize / 2) {
+                val t = i.toDouble() / (fftSize / 2 - 1)
+                val f = if (hpc <= lpc) lp(t, lpc) * hp(t, hpc) else max(lp(t, lpc), hp(t, hpc))
+                fft.scaleBand(i, f.toFloat())
+            }
+            val xfpower = fft.magnitudeSum().coerceAtLeast(1.0)
+
+            fft.scaleAll((xpower / xfpower).toFloat())
+            drawer.stroke = ColorRGBa.PINK.opacify(0.8)
+            drawer.lineSegments((0 until fft.size / 2).map {
+                LineSegment(
+                    it.toDouble() * 2.0 + 0.5,
+                    height * 0.5,
+                    it.toDouble() * 2.0 + 0.5,
+                    height * 0.5 - fft.magnitude(it) / 200.0
+                )
+            })
+
+            fft.inverse(xFiltered)
+
+            // process y-component
+            fft.forward(y)
+            val ypower = fft.magnitudeSum()
+
+            drawer.stroke = ColorRGBa.GRAY.shade(0.5)
+            drawer.lineSegments((0 until fft.size / 2).map {
+                LineSegment(
+                    it * 2.0 + 0.5,
+                    height * 0.5,
+                    it * 2.0 + 0.5,
+                    height * 0.5 + fft.magnitude(it) / 200.0,
+                )
+            })
+
+
+            for (i in 1..fftSize / 2) {
+                val t = i.toDouble() / (fftSize / 2 - 1)
+                val f = if (hpc <= lpc) lp(t, lpc) * hp(t, hpc) else max(lp(t, lpc), hp(t, hpc))
+                fft.scaleBand(i, f.toFloat())
             }
 
-            fun vectorsFromFloatArrays(x: FloatArray, y: FloatArray): List<Vector2> {
+            val yfpower = fft.magnitudeSum().coerceAtLeast(1.0)
-                val n = x.size
-                val result = mutableListOf<Vector2>()
-                for (i in 0 until n) {
-                    result.add(Vector2(x[i].toDouble(), y[i].toDouble()))
-                }
-                return result
-            }
 
-            fun lp(t: Double, c: Double): Double {
+            fft.scaleAll((ypower / yfpower).toFloat())
-                return smoothstep(c, c - 0.1, t)
+            drawer.stroke = ColorRGBa.PINK.opacify(0.7)
-            }
+            drawer.lineSegments((0 until fft.size / 2).map {
+                LineSegment(
+                    it * 2.0 + 0.5,
+                    height * 0.5,
+                    it * 2.0 + 0.5,
+                    height * 0.5 + fft.magnitude(it) / 200.0,
+                )
+            })
+            fft.inverse(yFiltered)
 
-            fun hp(t: Double, c: Double): Double {
+            val cr = vectorsFromFloatArrays(xFiltered, yFiltered).catmullRom(closed = true).toContour()
-                return smoothstep(c, c + 0.1, t)
+            //val cr = ShapeContour.fromPoints(vectorsFromFloatArrays(xr, yr), closed=true)
-            }
 
-            val c = hobbyCurve(
+            val recenteredShape = cr.transform(buildTransform {
-                drawer.bounds.scatter(40.0, distanceToEdge = 100.0, random = Random(0)),
+                translate(drawer.bounds.center)
-                true
+            })
-            ).transform(buildTransform { translate(-drawer.bounds.center) })
+            drawer.fill = null
+            drawer.stroke = ColorRGBa.WHITE
 
-            val x = FloatArray(fftSize)
+            drawer.lineSegment(mouse.position.x / width * 512, 0.0, mouse.position.x / width * 512, height * 1.0)
-            val y = FloatArray(fftSize)
+            drawer.lineSegment(mouse.position.y / height * 512, 0.0, mouse.position.y / height * 512, height * 1.0)
 
-            val xFiltered = FloatArray(fftSize)
+            drawer.contour(recenteredShape)
-            val yFiltered = FloatArray(fftSize)
-
-            extend {
-                c.equidistantPositions(fftSize).toFloatArrays(x, y)
-
-                // process x-component
-                fft.forward(x)
-
-                drawer.stroke = ColorRGBa.GRAY.shade(0.5)
-                drawer.lineSegments((0 until fft.size / 2).map {
-                    LineSegment(
-                        it.toDouble() * 2.0 + 0.5,
-                        height * 0.5,
-                        it.toDouble() * 2.0 + 0.5,
-                        height * 0.5 - fft.magnitude(it) / 200.0,
-                    )
-                })
-
-
-                val xpower = fft.magnitudeSum()
-
-                val lpc = mouse.position.x / width
-                val hpc = mouse.position.y / height
-
-                for (i in 1..fftSize / 2) {
-                    val t = i.toDouble() / (fftSize / 2 - 1)
-                    val f = if (hpc <= lpc) lp(t, lpc) * hp(t, hpc) else max(lp(t, lpc), hp(t, hpc))
-                    fft.scaleBand(i, f.toFloat())
-                }
-                val xfpower = fft.magnitudeSum().coerceAtLeast(1.0)
-
-                fft.scaleAll((xpower / xfpower).toFloat())
-                drawer.stroke = ColorRGBa.PINK.opacify(0.8)
-                drawer.lineSegments((0 until fft.size / 2).map {
-                    LineSegment(
-                        it.toDouble() * 2.0 + 0.5,
-                        height * 0.5,
-                        it.toDouble() * 2.0 + 0.5,
-                        height * 0.5 - fft.magnitude(it) / 200.0
-                    )
-                })
-
-                fft.inverse(xFiltered)
-
-                // process y-component
-                fft.forward(y)
-                val ypower = fft.magnitudeSum()
-
-                drawer.stroke = ColorRGBa.GRAY.shade(0.5)
-                drawer.lineSegments((0 until fft.size / 2).map {
-                    LineSegment(
-                        it.toDouble() * 2.0 + 0.5,
-                        height * 0.5,
-                        it.toDouble() * 2.0 + 0.5,
-                        height * 0.5 + fft.magnitude(it) / 200.0,
-                    )
-                })
-
-
-                for (i in 1..fftSize / 2) {
-                    val t = i.toDouble() / (fftSize / 2 - 1)
-                    val f = if (hpc <= lpc) lp(t, lpc) * hp(t, hpc) else max(lp(t, lpc), hp(t, hpc))
-                    fft.scaleBand(i, f.toFloat())
-                }
-
-                val yfpower = fft.magnitudeSum().coerceAtLeast(1.0)
-
-                fft.scaleAll((ypower / yfpower).toFloat())
-                drawer.stroke = ColorRGBa.PINK.opacify(0.7)
-                drawer.lineSegments((0 until fft.size / 2).map {
-                    LineSegment(
-                        it.toDouble() * 2.0 + 0.5,
-                        height * 0.5,
-                        it.toDouble() * 2.0 + 0.5,
-                        height * 0.5 + fft.magnitude(it) / 200.0,
-                    )
-                })
-                fft.inverse(yFiltered)
-
-                val cr = vectorsFromFloatArrays(xFiltered, yFiltered).catmullRom(closed = true).toContour()
-                //val cr = ShapeContour.fromPoints(vectorsFromFloatArrays(xr, yr), closed=true)
-
-                val recenteredShape = cr.transform(buildTransform {
-                    translate(drawer.bounds.center)
-                })
-                drawer.fill = null
-                drawer.stroke = ColorRGBa.WHITE
-
-                drawer.lineSegment(mouse.position.x / width * 512, 0.0, mouse.position.x / width * 512, height * 1.0)
-                drawer.lineSegment(mouse.position.y / height * 512, 0.0, mouse.position.y / height * 512, height * 1.0)
-
-                drawer.contour(recenteredShape)
-            }
         }
     }
 }

orx-fx/src/jvmDemo/kotlin/DemoBlend01.kt

@@ -1,29 +1,28 @@
 import org.openrndr.application
 import org.openrndr.extra.fx.blend.*
-fun main() {
+
-    application {
+fun main() = application {
-        program {
+    program {
-            val add = Add()
+        val add = Add()
-            val colorBurn = ColorBurn()
+        val colorBurn = ColorBurn()
-            val colorDodge = ColorDodge()
+        val colorDodge = ColorDodge()
-            val darken = Darken()
+        val darken = Darken()
-            val destIn = DestinationIn()
+        val destIn = DestinationIn()
-            val destOut = DestinationOut()
+        val destOut = DestinationOut()
-            val destAtop = DestinationAtop()
+        val destAtop = DestinationAtop()
-            val hardLight = HardLight()
+        val hardLight = HardLight()
-            val lighten = Lighten()
+        val lighten = Lighten()
-            val multiply = Multiply()
+        val multiply = Multiply()
-            val multiplyContrast = MultiplyContrast()
+        val multiplyContrast = MultiplyContrast()
-            val normal = Normal()
+        val normal = Normal()
-            val overlay = Overlay()
+        val overlay = Overlay()
-            val passthrough = Passthrough()
+        val passthrough = Passthrough()
-            val screen = Screen()
+        val screen = Screen()
-            val sourceIn = SourceIn()
+        val sourceIn = SourceIn()
-            val sourceAtop = SourceAtop()
+        val sourceAtop = SourceAtop()
-            val sourceOut = SourceOut()
+        val sourceOut = SourceOut()
-            val subtract = Subtract()
+        val subtract = Subtract()
-            val xor = Xor()
+        val xor = Xor()
-            application.exit()
+        application.exit()
-        }
     }
 }

orx-fx/src/jvmDemo/kotlin/DemoBlur01.kt

@@ -5,104 +5,115 @@ import org.openrndr.extra.fx.blur.*
 import org.openrndr.math.Polar
 import kotlin.math.sin
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        // In this buffer we will draw some simple shapes
-            // In this buffer we will draw some simple shapes
+        val dry = renderTarget(width / 3, height / 3) {
-            val dry = renderTarget(width / 3, height / 3) {
+            colorBuffer()
-                colorBuffer()
+        }
+
+        // The list of effects to demo
+        val effects = listOf(
+            BoxBlur(),
+            ApproximateGaussianBlur(),
+            HashBlur(),
+            GaussianBlur(),
+            GaussianBloom(),
+            FrameBlur(),
+            ZoomBlur(),
+            LaserBlur()
+        )
+
+        // On this buffer we will draw the dry buffer with an effect applied
+        val wet = colorBuffer(dry.width, dry.height)
+
+        val font = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 16.0)
+
+        extend {
+            // Draw two moving circles
+            drawer.isolatedWithTarget(dry) {
+                clear(ColorRGBa.BLACK)
+
+                fill = null
+                stroke = ColorRGBa.PINK
+                strokeWeight = 25.0
+                circle(
+                    bounds.center +
+                            Polar(seconds * 50.0, 100.0).cartesian,
+                    200.0 + 50.0 * sin(seconds * 2.0)
+                )
+
+                fill = ColorRGBa.PINK
+                stroke = null
+                circle(
+                    bounds.center +
+                            Polar(seconds * 50.0 + 60, 100.0).cartesian,
+                    100.0 + 20.0 * sin(seconds * 2.0 + 1)
+                )
             }
 
-            // The list of effects to demo
+            effects.forEachIndexed { i, blur ->
-            val effects = listOf(
+                // Adjust the effect settings.
-                    BoxBlur(),
+                // All the values could be animated.
-                    ApproximateGaussianBlur(),
+                when (blur) {
-                    HashBlur(),
+                    is BoxBlur -> {
-                    GaussianBlur(),
+                        blur.window = 30
-                    GaussianBloom(),
+                    }
-                    FrameBlur(),
-                    ZoomBlur(),
-                    LaserBlur()
-            )
 
-            // On this buffer we will draw the dry buffer with an effect applied
+                    is ApproximateGaussianBlur -> {
-            val wet = colorBuffer(dry.width, dry.height)
+                        blur.window = 25
+                        blur.sigma = 15.0
+                    }
 
-            val font = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 16.0)
+                    is HashBlur -> {
+                        blur.samples = 50
+                        blur.radius = 5.0
+                        blur.time = seconds
+                    }
 
-            extend {
+                    is GaussianBlur -> {
-                // Draw two moving circles
+                        blur.window = 25
-                drawer.isolatedWithTarget(dry) {
+                        blur.sigma = 15.0
-                    clear(ColorRGBa.BLACK)
+                    }
 
-                    fill = null
+                    is GaussianBloom -> {
-                    stroke = ColorRGBa.PINK
+                        blur.window = 5
-                    strokeWeight = 25.0
+                        blur.sigma = 3.0
-                    circle(bounds.center +
+                        blur.gain = 3.0
-                            Polar(seconds * 50.0, 100.0).cartesian,
+                        blur.noiseSeed = seconds
-                            200.0 + 50.0 * sin(seconds * 2.0))
+                    }
 
-                    fill = ColorRGBa.PINK
+                    is FrameBlur -> {
-                    stroke = null
+                        blur.blend = 0.05
-                    circle(bounds.center +
+                    }
-                            Polar(seconds * 50.0 + 60, 100.0).cartesian,
+
-                            100.0 + 20.0 * sin(seconds * 2.0 + 1))
+                    is ZoomBlur -> {
+                        blur.center = Polar(seconds * 77.0, 0.5)
+                            .cartesian
+                        blur.strength = 0.8
+                    }
+
+                    is LaserBlur -> {
+                        blur.center = Polar(seconds * 77.0, 0.5)
+                            .cartesian
+                        blur.aberration = 0.03
+                        blur.radius = 0.5
+
+                    }
                 }
 
-                effects.forEachIndexed { i, blur ->
+                // Apply the effect on `dry` writing the result to `wet`
-                    // Adjust the effect settings.
+                blur.apply(dry.colorBuffer(0), wet)
-                    // All the values could be animated.
-                    when (blur) {
-                        is BoxBlur -> {
-                            blur.window = 30
-                        }
-                        is ApproximateGaussianBlur -> {
-                            blur.window = 25
-                            blur.sigma = 15.0
-                        }
-                        is HashBlur -> {
-                            blur.samples = 50
-                            blur.radius = 5.0
-                            blur.time = seconds
-                        }
-                        is GaussianBlur -> {
-                            blur.window = 25
-                            blur.sigma = 15.0
-                        }
-                        is GaussianBloom -> {
-                            blur.window = 5
-                            blur.sigma = 3.0
-                            blur.gain = 3.0
-                            blur.noiseSeed = seconds
-                        }
-                        is FrameBlur -> {
-                            blur.blend = 0.05
-                        }
-                        is ZoomBlur -> {
-                            blur.center = Polar(seconds * 77.0, 0.5)
-                                    .cartesian
-                            blur.strength = 0.8
-                        }
-                        is LaserBlur -> {
-                            blur.center = Polar(seconds * 77.0, 0.5)
-                                    .cartesian
-                            blur.aberration = 0.03
-                            blur.radius = 0.5
 
-                        }
+                // Draw `wet` and write the effect name on top
-                    }
+                drawer.isolated {
-
+                    translate(
-                    // Apply the effect on `dry` writing the result to `wet`
+                        (i % 3) * width / 3.0,
-                    blur.apply(dry.colorBuffer(0), wet)
+                        (i / 3) * height / 3.0
-
+                    )
-                    // Draw `wet` and write the effect name on top
+                    image(wet)
-                    drawer.isolated {
+                    fontMap = font
-                        translate((i % 3) * width / 3.0,
+                    text(blur.javaClass.simpleName, 20.0, 30.0)
-                                (i / 3) * height / 3.0)
-                        image(wet)
-                        fontMap = font
-                        text(blur.javaClass.simpleName, 20.0, 30.0)
-                    }
                 }
             }
         }

orx-fx/src/jvmDemo/kotlin/DemoColorDuotone01.kt

@@ -3,19 +3,17 @@ import org.openrndr.draw.createEquivalent
 import org.openrndr.draw.loadImage
 import org.openrndr.extra.fx.color.Duotone
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
 
-            val image = loadImage("demo-data/images/image-001.png")
+        val image = loadImage("demo-data/images/image-001.png")
-            val filteredImage = image.createEquivalent()
+        val filteredImage = image.createEquivalent()
-            val duotone = Duotone()
+        val duotone = Duotone()
 
-            extend {
+        extend {
-                duotone.labInterpolation = seconds.mod(2.0) < 1.0
+            duotone.labInterpolation = seconds.mod(2.0) < 1.0
-                duotone.apply(image, filteredImage)
+            duotone.apply(image, filteredImage)
-                drawer.image(filteredImage)
+            drawer.image(filteredImage)
-            }
         }
     }
 }

orx-fx/src/jvmDemo/kotlin/DemoColorPosterize01.kt

@@ -3,18 +3,16 @@ import org.openrndr.draw.createEquivalent
 import org.openrndr.draw.loadImage
 import org.openrndr.extra.fx.color.Posterize
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val image = loadImage("demo-data/images/image-001.png")
-            val image = loadImage("demo-data/images/image-001.png")
+        val filteredImage = image.createEquivalent()
-            val filteredImage = image.createEquivalent()
+        val posterize = Posterize()
-            val posterize = Posterize()
 
-            extend {
+        extend {
-                posterize.levels = 2
+            posterize.levels = 2
-                posterize.apply(image, filteredImage)
+            posterize.apply(image, filteredImage)
-                drawer.image(filteredImage)
+            drawer.image(filteredImage)
-            }
         }
     }
 }

orx-fx/src/jvmDemo/kotlin/DemoColormapGrayscale.kt

@@ -5,17 +5,15 @@ import org.openrndr.draw.loadImage
 import org.openrndr.extra.fx.colormap.GrayscaleColormap
 import kotlin.math.sin
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val colormap = GrayscaleColormap()
-            val colormap = GrayscaleColormap()
+        val image = loadImage("demo-data/images/image-001.png")
-            val image = loadImage("demo-data/images/image-001.png")
+        val colormapImage = image.createEquivalent(type = ColorType.FLOAT32)
-            val colormapImage = image.createEquivalent(type = ColorType.FLOAT32)
+        extend {
-            extend {
+            colormap.curve = 1.0 + sin(seconds) * .5
-                colormap.curve = 1.0 + sin(seconds) * .5
+            colormap.apply(image, colormapImage)
-                colormap.apply(image, colormapImage)
+            drawer.image(colormapImage)
-                drawer.image(colormapImage)
-            }
         }
     }
 }

orx-fx/src/jvmDemo/kotlin/DemoColormapSpectralZucconi.kt

@@ -5,17 +5,15 @@ import org.openrndr.draw.loadImage
 import org.openrndr.extra.fx.colormap.SpectralZucconiColormap
 import kotlin.math.sin
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val colormap = SpectralZucconiColormap()
-            val colormap = SpectralZucconiColormap()
+        val image = loadImage("demo-data/images/image-001.png")
-            val image = loadImage("demo-data/images/image-001.png")
+        val colormapImage = image.createEquivalent(type = ColorType.FLOAT32)
-            val colormapImage = image.createEquivalent(type = ColorType.FLOAT32)
+        extend {
-            extend {
+            colormap.curve = 1.0 + sin(seconds) * .5
-                colormap.curve = 1.0 + sin(seconds) * .5
+            colormap.apply(image, colormapImage)
-                colormap.apply(image, colormapImage)
+            drawer.image(colormapImage)
-                drawer.image(colormapImage)
-            }
         }
     }
 }

orx-fx/src/jvmDemo/kotlin/DemoColormapTurbo.kt

@@ -5,17 +5,15 @@ import org.openrndr.draw.loadImage
 import org.openrndr.extra.fx.colormap.TurboColormap
 import kotlin.math.sin
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val colormap = TurboColormap()
-            val colormap = TurboColormap()
+        val image = loadImage("demo-data/images/image-001.png")
-            val image = loadImage("demo-data/images/image-001.png")
+        val colormapImage = image.createEquivalent(type = ColorType.FLOAT32)
-            val colormapImage = image.createEquivalent(type = ColorType.FLOAT32)
+        extend {
-            extend {
+            colormap.curve = 1.0 + sin(seconds) * .5
-                colormap.curve = 1.0 + sin(seconds) * .5
+            colormap.apply(image, colormapImage)
-                colormap.apply(image, colormapImage)
+            drawer.image(colormapImage)
-                drawer.image(colormapImage)
-            }
         }
     }
 }

orx-fx/src/jvmDemo/kotlin/DemoCompositeFilter01.kt

@@ -11,53 +11,55 @@ import org.openrndr.extra.noise.*
 import org.openrndr.math.smoothstep
 import kotlin.math.cos
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        extend(Post()) {
-            extend(Post()) {
+            // -- create a color buffer and fill it with random direction vectors
-                // -- create a color buffer and fill it with random direction vectors
+            val direction = colorBuffer(width, height, type = ColorType.FLOAT32)
-                val direction = colorBuffer(width, height, type = ColorType.FLOAT32)
+            val s = direction.shadow
-                val s = direction.shadow
+            val n = simplex2D.bipolar().fbm().scaleShiftInput(0.01, 0.0, 0.01, 0.0).withVector2Output()
-                val n = simplex2D.bipolar().fbm().scaleShiftInput(0.01, 0.0, 0.01, 0.0).withVector2Output()
+            val ng = simplex2D.unipolar().scaleShiftInput(0.005, 0.0, 0.005, 0.0)
-                val ng = simplex2D.unipolar().scaleShiftInput(0.005, 0.0, 0.005, 0.0)
+            for (y in 0 until height) {
-                for (y in 0 until height) {
+                for (x in 0 until width) {
-                    for (x in 0 until width) {
+                    val a = smoothstep(0.4, 0.6, cos((x + y) * 0.01) * 0.5 + 0.5)
-                        val a = smoothstep(0.4, 0.6, cos((x + y) * 0.01) * 0.5 + 0.5)
+                    val nv = n(2320, x.toDouble(), y.toDouble()) * smoothstep(
-                        val nv = n(2320, x.toDouble(), y.toDouble()) * smoothstep(0.45, 0.55, ng(1032, x.toDouble(), y.toDouble()))
+                        0.45,
-                        s[x, y] = ColorRGBa(nv.x, nv.y, 0.0, 1.0)
+                        0.55,
-                    }
+                        ng(1032, x.toDouble(), y.toDouble())
+                    )
+                    s[x, y] = ColorRGBa(nv.x, nv.y, 0.0, 1.0)
                 }
-                s.upload()
+            }
+            s.upload()
 
-                val directional = DirectionalBlur()
+            val directional = DirectionalBlur()
 
-                // -- create a bidirectional composite filter by using a directional filter twice
+            // -- create a bidirectional composite filter by using a directional filter twice
-                val bidirectional = directional.then(directional) {
+            val bidirectional = directional.then(directional) {
-                    firstParameters {
+                firstParameters {
-                        window = 50
+                    window = 50
-                        perpendicular = false
+                    perpendicular = false
-                    }
-                    secondParameters {
-                        window = 3
-                        perpendicular = true
-                    }
                 }
-
+                secondParameters {
-                val grain = FilmGrain()
+                    window = 3
-                grain.grainStrength = 1.0
+                    perpendicular = true
-
-                // -- create a grain-blur composite filter
-                val grainBlur = grain.then(bidirectional)
-
-                post { input, output ->
-                    grainBlur.apply(arrayOf(input, direction), output)
                 }
             }
 
-            val image = loadImage("demo-data/images/image-001.png")
+            val grain = FilmGrain()
-            extend {
+            grain.grainStrength = 1.0
-                drawer.image(image)
+
+            // -- create a grain-blur composite filter
+            val grainBlur = grain.then(bidirectional)
+
+            post { input, output ->
+                grainBlur.apply(arrayOf(input, direction), output)
             }
         }
+
+        val image = loadImage("demo-data/images/image-001.png")
+        extend {
+            drawer.image(image)
+        }
     }
 }

orx-fx/src/jvmDemo/kotlin/DemoDitherLumaHalftone01.kt

@@ -3,23 +3,21 @@ import org.openrndr.draw.createEquivalent
 import org.openrndr.draw.loadImage
 import org.openrndr.extra.fx.dither.LumaHalftone
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val image = loadImage("demo-data/images/image-001.png")
-            val image = loadImage("demo-data/images/image-001.png")
+        val filteredImage = image.createEquivalent()
-            val filteredImage = image.createEquivalent()
+        val lumaHalftone = LumaHalftone()
-            val lumaHalftone = LumaHalftone()
+        extend {
-            extend {
+            lumaHalftone.rotation = -15.0
-                lumaHalftone.rotation = -15.0
+            lumaHalftone.freq0 = 100.0
-                lumaHalftone.freq0 = 100.0
+            lumaHalftone.gain1 = 1.0
-                lumaHalftone.gain1 = 1.0
+            lumaHalftone.threshold = 0.5
-                lumaHalftone.threshold = 0.5
+            lumaHalftone.phase0 = seconds * 0.1
-                lumaHalftone.phase0 = seconds*0.1
+            lumaHalftone.phase1 = -seconds * 0.1
-                lumaHalftone.phase1 = -seconds*0.1
+            lumaHalftone.apply(image, filteredImage)
-                lumaHalftone.apply(image, filteredImage)
+            lumaHalftone.invert = seconds.mod(2.0) < 1.0
-                lumaHalftone.invert = seconds.mod(2.0) < 1.0
+            drawer.image(filteredImage)
-                drawer.image(filteredImage)
-            }
         }
     }
 }

orx-fx/src/jvmDemo/kotlin/DemoFluidDistort01.kt

@@ -5,28 +5,26 @@ import org.openrndr.extensions.SingleScreenshot
 import org.openrndr.extra.fx.distort.FluidDistort
 import org.openrndr.extra.fx.patterns.Checkers
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val fd = FluidDistort()
-            val fd = FluidDistort()
+        val checkers = Checkers()
-            val checkers = Checkers()
 
-            val image = colorBuffer(width, height)
+        val image = colorBuffer(width, height)
-            val distorted = image.createEquivalent()
+        val distorted = image.createEquivalent()
-            checkers.size = 64.0
+        checkers.size = 64.0
-            checkers.apply(emptyArray(), image)
+        checkers.apply(emptyArray(), image)
 
-            if (System.getProperty("takeScreenshot") == "true") {
+        if (System.getProperty("takeScreenshot") == "true") {
-                extensions.filterIsInstance<SingleScreenshot>().forEach {
+            extensions.filterIsInstance<SingleScreenshot>().forEach {
-                    it.delayFrames = 150
+                it.delayFrames = 150
-                }
-            }
-            extend {
-                // Ensure >0.01 for a better screenshot
-                fd.blend = (mouse.position.x / width).coerceAtLeast(0.01)
-                fd.apply(image, distorted)
-                drawer.image(distorted)
             }
         }
+        extend {
+            // Ensure >0.01 for a better screenshot
+            fd.blend = (mouse.position.x / width).coerceAtLeast(0.01)
+            fd.apply(image, distorted)
+            drawer.image(distorted)
+        }
     }
 }

orx-fx/src/jvmDemo/kotlin/DemoOkLab01.kt

@@ -1,27 +1,25 @@
-import org.openrndr.extra.fx.color.RgbToOkLab
-import org.openrndr.extra.fx.color.OkLabToRgb
 import org.openrndr.application
 import org.openrndr.draw.ColorType
 import org.openrndr.draw.createEquivalent
 import org.openrndr.draw.loadImage
+import org.openrndr.extra.fx.color.OkLabToRgb
+import org.openrndr.extra.fx.color.RgbToOkLab
 
 /**
  * This demonstrates converting a [ColorBuffer] from and to (OK)LAB color space using the [RgbToOkLab] and [OkLabToRgb]
  * filters. The (OK)Lab representation is signed and requires a floating point representation.
  */
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val rgbToOkLab = RgbToOkLab()
-            val rgbToOkLab = RgbToOkLab()
+        val okLabToRgb = OkLabToRgb()
-            val okLabToRgb = OkLabToRgb()
+        val image = loadImage("demo-data/images/image-001.png")
-            val image = loadImage("demo-data/images/image-001.png")
+        val labImage = image.createEquivalent(type = ColorType.FLOAT32)
-            val labImage = image.createEquivalent(type = ColorType.FLOAT32)
+        rgbToOkLab.apply(image, labImage)
-            rgbToOkLab.apply(image, labImage)
+        okLabToRgb.apply(labImage, image)
-            okLabToRgb.apply(labImage, image)
+        extend {
-            extend {
+            drawer.image(image)
-                drawer.image(image)
-            }
         }
     }
 }

orx-fx/src/jvmDemo/kotlin/DemoSpectralBlend01.kt

@@ -8,38 +8,36 @@ import org.openrndr.extra.fx.patterns.Checkers
 import org.openrndr.math.Vector2
 import kotlin.math.sin
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
+    program {
+        val a = drawImage(width, height) {
+            drawer.stroke = null
+            drawer.fill = ColorRGBa.BLUE
+            drawer.circle(drawer.bounds.center - Vector2(100.0, 0.0), drawer.width * 0.25)
         }
-        program {
+        val b = drawImage(width, height) {
-            val a = drawImage(width, height) {
+            drawer.clear(ColorRGBa.TRANSPARENT)
-                drawer.stroke = null
+            drawer.stroke = ColorRGBa.RED
-                drawer.fill = ColorRGBa.BLUE
+            drawer.strokeWeight = 10.0
-                drawer.circle(drawer.bounds.center - Vector2(100.0, 0.0), drawer.width * 0.25)
+            drawer.fill = ColorRGBa.YELLOW.opacify(1.0)
-            }
+            drawer.circle(drawer.bounds.center + Vector2(100.0, 0.0), drawer.width * 0.25)
-            val b = drawImage(width, height) {
+        }
-                drawer.clear(ColorRGBa.TRANSPARENT)
+        BoxBlur().apply { window = 10 }.apply(b, b)
-                drawer.stroke = ColorRGBa.RED
+        val checked = a.createEquivalent()
-                drawer.strokeWeight = 10.0
+        Checkers().apply(emptyArray(), checked)
-                drawer.fill = ColorRGBa.YELLOW.opacify(1.0)
-                drawer.circle(drawer.bounds.center + Vector2(100.0, 0.0), drawer.width * 0.25)
-            }
-            BoxBlur().apply { window = 10 }.apply(b, b)
-            val checked = a.createEquivalent()
-            Checkers().apply(emptyArray(), checked)
 
-            val mixed = a.createEquivalent()
+        val mixed = a.createEquivalent()
-            val blendSpectral = BlendSpectral()
+        val blendSpectral = BlendSpectral()
-            extend {
+        extend {
-                drawer.image(checked)
+            drawer.image(checked)
-                blendSpectral.fill = sin(seconds) * 0.5 + 0.5
+            blendSpectral.fill = sin(seconds) * 0.5 + 0.5
-                blendSpectral.clip = seconds.mod(4.0) > 2.0
+            blendSpectral.clip = seconds.mod(4.0) > 2.0
-                blendSpectral.apply(a, b, mixed)
+            blendSpectral.apply(a, b, mixed)
-                drawer.image(mixed)
+            drawer.image(mixed)
-            }
         }
     }
 }

orx-hash-grid/src/jvmDemo/kotlin/DemoFilter01.kt

@@ -10,21 +10,19 @@ import kotlin.random.Random
  * - Filters the generated points to enforce a minimum distance of 20.0 units between them.
  * - Visualizes the filtered points as circles with a radius of 10.0 units on the canvas.
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
+    program {
+        val r = Random(0)
+        val points = (0 until 10000).map {
+            drawer.bounds.uniform(random = r)
         }
-        program {
+        val filteredPoints = points.filter(20.0)
-            val r = Random(0)
+        extend {
-            val points = (0 until 10000).map {
+            drawer.circles(filteredPoints, 10.0)
-                drawer.bounds.uniform(random = r)
-            }
-            val filteredPoints = points.filter(20.0)
-            extend {
-                drawer.circles(filteredPoints, 10.0)
-            }
         }
     }
 }

orx-hash-grid/src/jvmDemo/kotlin/DemoHashGrid01.kt

@@ -13,32 +13,29 @@ import kotlin.random.Random
  * - Rectangles representing the bounds of the cells in the grid.
  * - Circles representing the generated points.
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        val r = Random(0)
-            val r = Random(0)
+        val hashGrid = HashGrid(72.0)
-            val hashGrid = HashGrid(72.0)
 
-            extend {
+        extend {
-                for (i in 0 until 100) {
+            for (i in 0 until 100) {
-                    val p = drawer.bounds.uniform(random = r)
+                val p = drawer.bounds.uniform(random = r)
-                    if (hashGrid.isFree(p)) {
+                if (hashGrid.isFree(p)) {
-                        hashGrid.insert(p)
+                    hashGrid.insert(p)
-                    }
                 }
-
-                drawer.fill = null
-                drawer.stroke = ColorRGBa.WHITE
-                drawer.rectangles(hashGrid.cells().map { it.bounds }.toList())
-                drawer.fill = null
-                drawer.stroke = ColorRGBa.PINK
-                drawer.circles(hashGrid.points().map { it.first }.toList(), 36.0)
-
             }
+
+            drawer.fill = null
+            drawer.stroke = ColorRGBa.WHITE
+            drawer.rectangles(hashGrid.cells().map { it.bounds }.toList())
+            drawer.fill = null
+            drawer.stroke = ColorRGBa.PINK
+            drawer.circles(hashGrid.points().map { it.first }.toList(), 36.0)
         }
     }
 }

orx-jvm/orx-boofcv/src/demo/kotlin/DemoContours01.kt

@@ -12,52 +12,54 @@ import org.openrndr.draw.loadImage
 import kotlin.math.cos
 import kotlin.math.sin
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        // Load an image, convert to BoofCV format using orx-boofcv
-            // Load an image, convert to BoofCV format using orx-boofcv
+        val input = loadImage("demo-data/images/image-001.png").toGrayF32()
-            val input = loadImage("demo-data/images/image-001.png").toGrayF32()
 
-            // BoofCV: calculate a good threshold for the loaded image
+        // BoofCV: calculate a good threshold for the loaded image
-            val threshold = GThresholdImageOps.computeOtsu(input, 0.0, 255.0)
+        val threshold = GThresholdImageOps.computeOtsu(input, 0.0, 255.0)
 
-            // BoofCV: use the threshold to convert the image to black and white
+        // BoofCV: use the threshold to convert the image to black and white
-            val binary = GrayU8(input.width, input.height)
+        val binary = GrayU8(input.width, input.height)
-            ThresholdImageOps.threshold(input, binary, threshold.toFloat(), false)
+        ThresholdImageOps.threshold(input, binary, threshold.toFloat(), false)
 
-            // BoofCV: Contract and expand the white areas to remove noise
+        // BoofCV: Contract and expand the white areas to remove noise
-            var filtered = BinaryImageOps.erode8(binary, 1, null)
+        var filtered = BinaryImageOps.erode8(binary, 1, null)
-            filtered = BinaryImageOps.dilate8(filtered, 1, null)
+        filtered = BinaryImageOps.dilate8(filtered, 1, null)
 
-            // BoofCV: Calculate contours as vector data
+        // BoofCV: Calculate contours as vector data
-            val contours = BinaryImageOps.contour(filtered, ConnectRule.EIGHT, null)
+        val contours = BinaryImageOps.contour(filtered, ConnectRule.EIGHT, null)
 
-            // orx-boofcv: convert vector data to OPENRNDR ShapeContours
+        // orx-boofcv: convert vector data to OPENRNDR ShapeContours
-            val externalShapes = contours.toShapeContours(true,
+        val externalShapes = contours.toShapeContours(
-                    internal = false, external = true)
+            true,
-            val internalShapes = contours.toShapeContours(true,
+            internal = false, external = true
-                    internal = true, external = false)
+        )
+        val internalShapes = contours.toShapeContours(
+            true,
+            internal = true, external = false
+        )
 
-            extend {
+        extend {
-                drawer.run {
+            drawer.run {
-                    // Zoom in and out over time
+                // Zoom in and out over time
-                    translate(bounds.center)
+                translate(bounds.center)
-                    scale(1.5 + 0.5 * cos(seconds * 0.2))
+                scale(1.5 + 0.5 * cos(seconds * 0.2))
-                    translate(-bounds.center)
+                translate(-bounds.center)
 
-                    stroke = null
+                stroke = null
 
-                    // Draw all external shapes
+                // Draw all external shapes
-                    fill = rgb(0.2)
+                fill = rgb(0.2)
-                    contours(externalShapes)
+                contours(externalShapes)
 
-                    // Draw internal shapes one by one to set unique colors
+                // Draw internal shapes one by one to set unique colors
-                    internalShapes.forEachIndexed { i, shp ->
+                internalShapes.forEachIndexed { i, shp ->
-                        val shade = 0.2 + (i % 7) * 0.1 +
+                    val shade = 0.2 + (i % 7) * 0.1 +
-                                0.1 * sin(i + seconds)
+                            0.1 * sin(i + seconds)
-                        fill = ColorRGBa.PINK.shade(shade)
+                    fill = ColorRGBa.PINK.shade(shade)
-                        contour(shp)
+                    contour(shp)
-                    }
                 }
             }
         }

orx-jvm/orx-boofcv/src/demo/kotlin/DemoResize01.kt

@@ -3,24 +3,21 @@ import org.openrndr.boofcv.binding.resizeBy
 import org.openrndr.color.ColorRGBa
 import org.openrndr.draw.loadImage
 
+fun main() = application {
+    program {
+        // Load an image, convert to BoofCV format using orx-boofcv
+        val input = loadImage("demo-data/images/image-001.png")
 
-fun main() {
+        val scaled = input.resizeBy(0.5)
-    application {
+        val scaled2 = input.resizeBy(0.25, convertToGray = true)
-        program {
+        val scaled3 = input.resizeBy(0.1)
-            // Load an image, convert to BoofCV format using orx-boofcv
-            val input = loadImage("demo-data/images/image-001.png")
 
-            val scaled = input.resizeBy(0.5)
+        extend {
-            val scaled2 = input.resizeBy(0.25, convertToGray = true)
+            drawer.clear(ColorRGBa.BLACK)
-            val scaled3 = input.resizeBy(0.1)
+            drawer.translate(0.0, (height - scaled.bounds.height) / 2.0)
-
+            drawer.image(scaled)
-            extend {
+            drawer.image(scaled2, scaled.bounds.width, scaled.bounds.height - scaled2.height)
-                drawer.clear(ColorRGBa.BLACK)
+            drawer.image(scaled3, scaled.bounds.width + scaled2.bounds.width, scaled.bounds.height - scaled3.height)
-                drawer.translate(0.0, (height - scaled.bounds.height) / 2.0)
-                drawer.image(scaled)
-                drawer.image(scaled2, scaled.bounds.width, scaled.bounds.height - scaled2.height)
-                drawer.image(scaled3, scaled.bounds.width + scaled2.bounds.width, scaled.bounds.height - scaled3.height)
-            }
         }
     }
 }

orx-jvm/orx-boofcv/src/demo/kotlin/DemoResize02.kt

@@ -3,23 +3,20 @@ import org.openrndr.boofcv.binding.resizeTo
 import org.openrndr.color.ColorRGBa
 import org.openrndr.draw.loadImage
 
+fun main() = application {
+    program {
+        // Load an image, convert to BoofCV format using orx-boofcv
+        val input = loadImage("demo-data/images/image-001.png")
+        val scaled = input.resizeTo(input.width / 3)
+        val scaled2 = input.resizeTo(newHeight = input.height / 4, convertToGray = true)
+        val scaled3 = input.resizeTo(input.width / 5, input.height / 5)
 
-fun main() {
+        extend {
-    application {
+            drawer.clear(ColorRGBa.BLACK)
-        program {
+            drawer.translate(0.0, (height - scaled.bounds.height) / 2.0)
-            // Load an image, convert to BoofCV format using orx-boofcv
+            drawer.image(scaled)
-            val input = loadImage("demo-data/images/image-001.png")
+            drawer.image(scaled2, scaled.bounds.width, scaled.bounds.height - scaled2.height)
-            val scaled = input.resizeTo(input.width / 3)
+            drawer.image(scaled3, scaled.bounds.width + scaled2.bounds.width, scaled.bounds.height - scaled3.height)
-            val scaled2 = input.resizeTo(newHeight = input.height / 4, convertToGray = true)
-            val scaled3 = input.resizeTo(input.width / 5, input.height / 5)
-
-            extend {
-                drawer.clear(ColorRGBa.BLACK)
-                drawer.translate(0.0, (height - scaled.bounds.height) / 2.0)
-                drawer.image(scaled)
-                drawer.image(scaled2, scaled.bounds.width, scaled.bounds.height - scaled2.height)
-                drawer.image(scaled3, scaled.bounds.width + scaled2.bounds.width, scaled.bounds.height - scaled3.height)
-            }
         }
     }
 }

orx-jvm/orx-boofcv/src/demo/kotlin/DemoSimplified01.kt

@@ -17,63 +17,65 @@ import org.openrndr.math.Vector2
 import org.openrndr.shape.Rectangle
 import org.openrndr.shape.ShapeContour
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        // Create a buffer where to draw something for boofcv
-            // Create a buffer where to draw something for boofcv
+        val rt = renderTarget(width, height) {
-            val rt = renderTarget(width, height) {
+            colorBuffer()
-                colorBuffer()
+            depthBuffer()
-                depthBuffer()
+        }
-            }
+        // Draw some shapes on that buffer
-            // Draw some shapes on that buffer
+        drawer.isolatedWithTarget(rt) {
-            drawer.isolatedWithTarget(rt) {
+            clear(ColorRGBa.BLACK)
-                clear(ColorRGBa.BLACK)
+            fill = ColorRGBa.WHITE
-                fill = ColorRGBa.WHITE
+            stroke = null
-                stroke = null
+            rectangle(
-                rectangle(Rectangle.fromCenter(bounds.position(0.33, 0.5),
+                Rectangle.fromCenter(
-                        150.0, 150.0))
+                    bounds.position(0.33, 0.5),
-                translate(bounds.position(0.62, 0.5))
+                    150.0, 150.0
-                rotate(30.0)
+                )
-                rectangle(Rectangle.fromCenter(Vector2.ZERO, 200.0, 200.0))
+            )
-                rectangle(0.0, -200.0, 60.0, 60.0)
+            translate(bounds.position(0.62, 0.5))
-                circle(0.0, 190.0, 60.0)
+            rotate(30.0)
-            }
+            rectangle(Rectangle.fromCenter(Vector2.ZERO, 200.0, 200.0))
-            // Convert the bitmap buffer into ShapeContours
+            rectangle(0.0, -200.0, 60.0, 60.0)
-            val vectorized = imageToContours(rt.colorBuffer(0))
+            circle(0.0, 190.0, 60.0)
+        }
+        // Convert the bitmap buffer into ShapeContours
+        val vectorized = imageToContours(rt.colorBuffer(0))
 
-            // Show amount of segments in each shape (high number)
+        // Show amount of segments in each shape (high number)
-            vectorized.forEachIndexed { i, it ->
+        vectorized.forEachIndexed { i, it ->
-                println("boofcv shape $i: ${it.segments.size} segments")
+            println("boofcv shape $i: ${it.segments.size} segments")
-            }
+        }
 
-            // Make a simplified list of points
+        // Make a simplified list of points
-            val simplePoints = vectorized.map {
+        val simplePoints = vectorized.map {
-                simplify(it.adaptivePositions(), 4.0)
+            simplify(it.adaptivePositions(), 4.0)
-            }.filter { it.size >= 3 }
+        }.filter { it.size >= 3 }
 
-            // Use the simplified list to make a smooth contour
+        // Use the simplified list to make a smooth contour
-            val smooth = simplePoints.map {
+        val smooth = simplePoints.map {
-                CatmullRomChain2(it, 0.0, true).toContour()
+            CatmullRomChain2(it, 0.0, true).toContour()
-            }
+        }
 
-            // Use the simplified list to make a polygonal contour
+        // Use the simplified list to make a polygonal contour
-            val polygonal = simplePoints.map {
+        val polygonal = simplePoints.map {
-                ShapeContour.fromPoints(it, true)
+            ShapeContour.fromPoints(it, true)
-            }
+        }
 
-            // Show amount of segments in simplified shapes (low number).
+        // Show amount of segments in simplified shapes (low number).
-            // Note: `smooth` and `polygonal` have the same number of segments
+        // Note: `smooth` and `polygonal` have the same number of segments
-            smooth.forEachIndexed { i, it ->
+        smooth.forEachIndexed { i, it ->
-                println("simplified shape $i: ${it.segments.size} segments")
+            println("simplified shape $i: ${it.segments.size} segments")
-            }
+        }
 
-            extend {
+        extend {
-                drawer.run {
+            drawer.run {
-                    fill = null // ColorRGBa.PINK.opacify(0.15)
+                fill = null // ColorRGBa.PINK.opacify(0.15)
-                    stroke = ColorRGBa.PINK.opacify(0.7)
+                stroke = ColorRGBa.PINK.opacify(0.7)
-                    contours(polygonal)
+                contours(polygonal)
-                    contours(smooth)
+                contours(smooth)
-                }
             }
         }
     }

orx-jvm/orx-dnk3/src/main/kotlin/features/VoxelConeTracing.kt

@@ -62,7 +62,7 @@ private fun SceneRenderer.processVoxelConeTracing(drawer: Drawer, scene: Scene,
                 val position = Vector3.ZERO
                 drawer.lookAt(position + side.forward*40.0, position , side.up)
                 drawPass(drawer, pass, materialContext, context) {
-                    it.parameter("voxelMap", feature.voxelMap!!.imageBinding(0, ImageAccess.WRITE))
+                    it.image("voxelMap", feature.voxelMap!!.imageBinding(0, ImageAccess.WRITE))
                 }
             }
         }

orx-jvm/orx-gui/src/demo/kotlin/DemoPath01.kt

@@ -4,25 +4,23 @@ import org.openrndr.extra.parameters.Description
 import org.openrndr.extra.parameters.PathParameter
 import org.openrndr.extra.propertywatchers.watchingImagePath
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val gui = GUI()
-            val gui = GUI()
+        gui.compartmentsCollapsedByDefault = false
-            gui.compartmentsCollapsedByDefault = false
 
-            val settings = @Description("Settings") object {
+        val settings = @Description("Settings") object {
-                @PathParameter("image", extensions = ["jpg", "png"], order = 10)
+            @PathParameter("image", extensions = ["jpg", "png"], order = 10)
-                var imagePath = "demo-data/images/image-001.png"
+            var imagePath = "demo-data/images/image-001.png"
 
-                val image by watchingImagePath(::imagePath) {
+            val image by watchingImagePath(::imagePath) {
-                    it
+                it
-                }
-            }
-            gui.add(settings)
-            extend(gui)
-            extend {
-                drawer.image(settings.image)
             }
         }
+        gui.add(settings)
+        extend(gui)
+        extend {
+            drawer.image(settings.image)
+        }
     }
 }

orx-jvm/orx-gui/src/main/kotlin/Gui.kt

@@ -8,7 +8,6 @@ import org.openrndr.*
 import org.openrndr.color.ColorRGBa
 import org.openrndr.dialogs.*
 import org.openrndr.draw.Drawer
-import org.openrndr.extra.noise.random
 import org.openrndr.extra.noise.uniform
 import org.openrndr.extra.parameters.*
 import org.openrndr.internal.Driver
@@ -1077,7 +1076,7 @@ open class GUI(
                         val min = parameter.doubleRange!!.start
                         val max = parameter.doubleRange!!.endInclusive
                         val currentValue = (parameter.property as KMutableProperty1<Any, Double>).get(labeledObject.obj)
-                        val randomValue = random(min, max)
+                        val randomValue = Double.uniform(min, max)
                         val newValue = mix(currentValue, randomValue, strength)
                         (parameter.property as KMutableProperty1<Any, Double>).set(labeledObject.obj, newValue)
                     }
@@ -1086,7 +1085,7 @@ open class GUI(
                         val min = parameter.intRange!!.first
                         val max = parameter.intRange!!.last
                         val currentValue = (parameter.property as KMutableProperty1<Any, Int>).get(labeledObject.obj)
-                        val randomValue = random(min.toDouble(), max.toDouble())
+                        val randomValue = Double.uniform(min.toDouble(), max.toDouble())
                         val newValue = mix(currentValue.toDouble(), randomValue, strength).roundToInt()
                         (parameter.property as KMutableProperty1<Any, Int>).set(labeledObject.obj, newValue)
                     }

orx-jvm/orx-midi/src/demo/kotlin/DemoMidiBinding01.kt

@@ -9,33 +9,31 @@ import org.openrndr.math.Vector2
 /**
  * Demonstration of two-way binding using [bindMidiControl]
  */
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val midi = openMidiDevice("MIDI2x2 [hw:3,0,0]")
-            val midi = openMidiDevice("MIDI2x2 [hw:3,0,0]")
+        val settings = object {
-            val settings = object {
+            @DoubleParameter("radius", 0.0, 100.0)
-                @DoubleParameter("radius", 0.0, 100.0)
+            var radius = 0.0
-                var radius = 0.0
 
-                @DoubleParameter("x", -100.0, 100.0)
+            @DoubleParameter("x", -100.0, 100.0)
-                var x = 0.0
+            var x = 0.0
 
-                @DoubleParameter("y", -100.0, 100.0)
+            @DoubleParameter("y", -100.0, 100.0)
-                var y = 0.0
+            var y = 0.0
 
-                @ColorParameter("fill")
+            @ColorParameter("fill")
-                var color = ColorRGBa.WHITE
+            var color = ColorRGBa.WHITE
-            }
+        }
 
-            bindMidiControl(settings::radius, midi, 0, 1)
+        bindMidiControl(settings::radius, midi, 0, 1)
-            bindMidiControl(settings::x, midi, 0, 2)
+        bindMidiControl(settings::x, midi, 0, 2)
-            bindMidiControl(settings::y, midi, 0, 3)
+        bindMidiControl(settings::y, midi, 0, 3)
-            bindMidiControl(settings::color, midi, 0, 4)
+        bindMidiControl(settings::color, midi, 0, 4)
 
-            extend {
+        extend {
-                drawer.fill = settings.color
+            drawer.fill = settings.color
-                drawer.circle(drawer.bounds.center + Vector2(settings.x, settings.y), settings.radius)
+            drawer.circle(drawer.bounds.center + Vector2(settings.x, settings.y), settings.radius)
-            }
         }
     }
 }

orx-jvm/orx-midi/src/demo/kotlin/DemoMidiConsole01.kt

@@ -6,14 +6,12 @@ import org.openrndr.extra.midi.openMidiDevice
 /**
  * Demonstration of [MidiConsole]
  */
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        listMidiDevices().forEach { println(it.toString()) }
-            listMidiDevices().forEach { println(it.toString()) }
+        val midi = openMidiDevice("Launchpad [hw:4,0,0]")
-            val midi = openMidiDevice("Launchpad [hw:4,0,0]")
+        extend(MidiConsole()) {
-            extend(MidiConsole()) {
+            register(midi)
-                register(midi)
-            }
         }
     }
 }

orx-jvm/orx-minim/src/demo/kotlin/DemoAdditive01.kt

@@ -13,95 +13,93 @@ import kotlin.random.Random
  * Hold the mouse button to randomize the frequencies.
  * Press keys 'a' or 'b' for less random frequencies.
  */
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val minim = minim()
-            val minim = minim()
+        val out = minim.lineOut
-            val out = minim.lineOut
 
-            if (out == null) {
+        if (out == null) {
-                application.exit()
+            application.exit()
+        }
+
+        // generates a random frequency value biased down
+        fun randomFreq() = 20f + Random.nextFloat().pow(3) * 1000
+
+        // If one didn't want to visualize or control the synths we
+        // wouldn't need a data structure to store them. Here we store
+        // Pairs, so we have access both to the frequency of the wave
+        // and the current amplitude defined by the lfo (low frequency
+        // oscillator).
+        val synths = List(20) {
+            // By default, Oscil creates sine waves, but it can be changed.
+            val lfo = Oscil(
+                Random.nextFloat() * 0.1f + 0.005f,
+                0.05f
+            ).apply {
+                // Here we set the center of the lfo to 0.05f.
+                // Since the amplitude is also 0.05f, it moves between
+                // 0.00f and 0.10f.
+                offset.lastValue = 0.05f
+
+                // Have the sine waves to not start in sync.
+                //phase.lastValue = Random.nextFloat() * 6.28f
             }
+            val wave = Oscil(randomFreq(), 0f)
+            // The `lfo` Oscil controls the `wave` Oscil's amplitude.
+            lfo.patch(wave.amplitude)
+            // Random pan to avoid a mono sound.
+            val pan = Pan(Random.nextFloat() * 2 - 1)
+            wave.patch(pan)
+            pan.patch(out)
+            // Store a [Pair] in `synths`.
+            Pair(wave, lfo)
+        }
+        val bgColor = rgb(0.094, 0.188, 0.349)
+        val lineColor = rgb(0.992, 0.918, 0.671)
+        val mouseTracker = MouseTracker(mouse)
 
-            // generates a random frequency value biased down
+        extend {
-            fun randomFreq() = 20f + Random.nextFloat().pow(3) * 1000
+            drawer.clear(bgColor)
-
+            drawer.translate(drawer.bounds.center)
-            // If one didn't want to visualize or control the synths we
+            drawer.rotate(seconds)
-            // wouldn't need a data structure to store them. Here we store
+            // A CircleBatchBuilder for faster drawing of circles.
-            // Pairs, so we have access both to the frequency of the wave
+            drawer.circles {
-            // and the current amplitude defined by the lfo (low frequency
+                // For each synth draw a circle.
-            // oscillator).
+                synths.forEachIndexed { i, (wave, lfo) ->
-            val synths = List(20) {
+                    stroke = lineColor.opacify(Random.nextDouble(0.4) + 0.6)
-                // By default, Oscil creates sine waves, but it can be changed.
+                    fill = lineColor.opacify(Random.nextDouble() * 0.04)
-                val lfo = Oscil(
+                    // A Polar arrangement centered on the screen.
-                    Random.nextFloat() * 0.1f + 0.005f,
+                    // Higher pitch circles are farther away from the center.
-                    0.05f
+                    val pos = Polar(
-                ).apply {
+                        360.0 * i / synths.size,
-                    // Here we set the center of the lfo to 0.05f.
+                        50.0 + wave.frequency.lastValue * 0.2
-                    // Since the amplitude is also 0.05f, it moves between
+                    ).cartesian
-                    // 0.00f and 0.10f.
+                    // The size of the circle depends on the current volume
-                    offset.lastValue = 0.05f
+                    // set by the lfo.
-
+                    circle(pos, 500 * lfo.lastValues.last().toDouble())
-                    // Have the sine waves to not start in sync.
-                    //phase.lastValue = Random.nextFloat() * 6.28f
                 }
-                val wave = Oscil(randomFreq(), 0f)
-                // The `lfo` Oscil controls the `wave` Oscil's amplitude.
-                lfo.patch(wave.amplitude)
-                // Random pan to avoid a mono sound.
-                val pan = Pan(Random.nextFloat() * 2 - 1)
-                wave.patch(pan)
-                pan.patch(out)
-                // Store a [Pair] in `synths`.
-                Pair(wave, lfo)
             }
-            val bgColor = rgb(0.094, 0.188, 0.349)
+            if (mouseTracker.pressedButtons.isNotEmpty()) {
-            val lineColor = rgb(0.992, 0.918, 0.671)
+                synths.random().first.setFrequency(randomFreq())
-            val mouseTracker = MouseTracker(mouse)
+            }
-
+        }
-            extend {
+        keyboard.keyDown.listen { key ->
-                drawer.clear(bgColor)
+            when (key.name) {
-                drawer.translate(drawer.bounds.center)
+                "a" -> {
-                drawer.rotate(seconds)
+                    // make all frequencies close to a base frequency
-                // A CircleBatchBuilder for faster drawing of circles.
+                    // (circular arrangement)
-                drawer.circles {
+                    val baseFreq = 20 + Random.nextFloat() * 200
-                    // For each synth draw a circle.
+                    synths.forEach {
-                    synths.forEachIndexed { i, (wave, lfo) ->
+                        it.first.setFrequency(baseFreq + Random.nextFloat() * 20)
-                        stroke = lineColor.opacify(Random.nextDouble(0.4) + 0.6)
-                        fill = lineColor.opacify(Random.nextDouble() * 0.04)
-                        // A Polar arrangement centered on the screen.
-                        // Higher pitch circles are farther away from the center.
-                        val pos = Polar(
-                            360.0 * i / synths.size,
-                            50.0 + wave.frequency.lastValue * 0.2
-                        ).cartesian
-                        // The size of the circle depends on the current volume
-                        // set by the lfo.
-                        circle(pos, 500 * lfo.lastValues.last().toDouble())
                     }
                 }
-                if (mouseTracker.pressedButtons.isNotEmpty()) {
-                    synths.random().first.setFrequency(randomFreq())
-                }
-            }
-            keyboard.keyDown.listen { key ->
-                when (key.name) {
-                    "a" -> {
-                        // make all frequencies close to a base frequency
-                        // (circular arrangement)
-                        val baseFreq = 20 + Random.nextFloat() * 200
-                        synths.forEach {
-                            it.first.setFrequency(baseFreq + Random.nextFloat() * 20)
-                        }
-                    }
 
-                    "b" -> {
+                "b" -> {
-                        // make all frequencies follow an exponential series
+                    // make all frequencies follow an exponential series
-                        // (spiral arrangement)
+                    // (spiral arrangement)
-                        val inc = Random.nextFloat() * 0.1f
+                    val inc = Random.nextFloat() * 0.1f
-                        synths.forEachIndexed { i, (wave, _) ->
+                    synths.forEachIndexed { i, (wave, _) ->
-                            wave.setFrequency(25f.pow(1f + i * inc))
+                        wave.setFrequency(25f.pow(1f + i * inc))
-                        }
                     }
                 }
             }

orx-jvm/orx-minim/src/demo/kotlin/DemoFFT01.kt

@@ -1,37 +1,34 @@
 import ddf.minim.Minim
 import ddf.minim.analysis.FFT
 import ddf.minim.analysis.LanczosWindow
-
 import org.openrndr.application
 import org.openrndr.extra.minim.minim
 import org.openrndr.math.map
 import kotlin.math.ln
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 1280
-            width = 1280
+        height = 720
-            height = 720
+    }
+
+    program {
+        val minim = minim()
+        if (minim.lineOut == null) {
+            application.exit()
         }
 
-        program {
+        val lineIn = minim.getLineIn(Minim.MONO, 2048, 48000f)
-            val minim = minim()
+        if (lineIn == null) {
-            if (minim.lineOut == null) {
+            application.exit()
-                application.exit()
+        }
-            }
+        val fft = FFT(lineIn.bufferSize(), lineIn.sampleRate())
-
+        fft.window(LanczosWindow())
-            val lineIn = minim.getLineIn(Minim.MONO, 2048, 48000f)
+        extend {
-            if (lineIn == null) {
+            fft.forward(lineIn.mix)
-                application.exit()
+            for (i in 0 until 200) {
-            }
+                val bandDB = 20.0 * ln(2.0 * fft.getBand(i) / fft.timeSize())
-            val fft = FFT(lineIn.bufferSize(), lineIn.sampleRate())
+                drawer.rectangle(i * 5.0, height / 2.0, 5.0, bandDB.map(0.0, -150.0, 0.0, -height / 8.0))
-            fft.window(LanczosWindow())
-            extend {
-                fft.forward(lineIn.mix)
-                for (i in 0 until 200) {
-                    val bandDB = 20.0 * ln(2.0 * fft.getBand(i) / fft.timeSize())
-                    drawer.rectangle(i * 5.0, height / 2.0, 5.0, bandDB.map(0.0, -150.0, 0.0, -height / 8.0))
-                }
             }
         }
     }

orx-jvm/orx-minim/src/demo/kotlin/DemoPlaySound01.kt

@@ -1,27 +1,25 @@
 import org.openrndr.application
 import org.openrndr.extra.minim.minim
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val minim = minim()
-            val minim = minim()
+        if (minim.lineOut == null) {
-            if (minim.lineOut == null) {
+            application.exit()
-                application.exit()
+        }
-            }
 
-            val player = minim.loadFile(
+        val player = minim.loadFile(
-                "demo-data/sounds/26777__junggle__btn402.mp3"
+            "demo-data/sounds/26777__junggle__btn402.mp3"
-            )
+        )
 
-            // fade gain to -40dB in 15 seconds
+        // fade gain to -40dB in 15 seconds
-            player.shiftGain(player.gain, -40f, 15000)
+        player.shiftGain(player.gain, -40f, 15000)
 
-            extend {
+        extend {
-                if(frameCount % 30 == 0) {
+            if (frameCount % 30 == 0) {
-                    player.rewind()
+                player.rewind()
-                    //player.gain = Random.nextDouble(-20.0, 0.0).toFloat()
+                //player.gain = Random.nextDouble(-20.0, 0.0).toFloat()
-                    player.play()
+                player.play()
-                }
             }
         }
     }

orx-jvm/orx-olive/src/demo/kotlin/DemoOlive01.kt

@@ -8,39 +8,37 @@ import kotlin.math.cos
 /**
  * Live-coding with [oliveProgram]
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 1280
-            width = 1280
+        height = 720
-            height = 720
-        }
-        oliveProgram {
-            extend {
-                drawer.clear(ColorRGBa.PINK)
-                drawer.fill = ColorRGBa.WHITE
-                for (i in 0 until 100) {
-                    drawer.circle(
-                        width / 2.0 + cos(seconds + i) * 320.0,
-                        i * 7.2,
-                        cos(i + seconds * 0.5) * 20.0 + 20.0
-                    )
-                }
-            }
-        }
-            // -- this is only needed for the automated screenshots
-            .olive.scriptLoaded.listen {
-                if (System.getProperty("takeScreenshot") == "true") {
-                    // -- this is a bit of hack, we need to push the screenshot extension in front of the olive one
-                    fun <T : Extension> extendHead(extension: T, configure: T.() -> Unit): T {
-                        program.extensions.add(0, extension)
-                        extension.configure()
-                        extension.setup(program)
-                        return extension
-                    }
-                    extendHead(SingleScreenshot()) {
-                        this.outputFile = System.getProperty("screenshotPath")
-                    }
-                }
-            }
     }
+    oliveProgram {
+        extend {
+            drawer.clear(ColorRGBa.PINK)
+            drawer.fill = ColorRGBa.WHITE
+            for (i in 0 until 100) {
+                drawer.circle(
+                    width / 2.0 + cos(seconds + i) * 320.0,
+                    i * 7.2,
+                    cos(i + seconds * 0.5) * 20.0 + 20.0
+                )
+            }
+        }
+    }
+        // -- this is only needed for the automated screenshots
+        .olive.scriptLoaded.listen {
+            if (System.getProperty("takeScreenshot") == "true") {
+                // -- this is a bit of hack, we need to push the screenshot extension in front of the olive one
+                fun <T : Extension> extendHead(extension: T, configure: T.() -> Unit): T {
+                    program.extensions.add(0, extension)
+                    extension.configure()
+                    extension.setup(program)
+                    return extension
+                }
+                extendHead(SingleScreenshot()) {
+                    this.outputFile = System.getProperty("screenshotPath")
+                }
+            }
+        }
 }

orx-jvm/orx-poisson-fill/src/demo/kotlin/DemoPoissonFill01.kt

@@ -9,6 +9,7 @@ import org.openrndr.draw.colorBuffer
 import org.openrndr.draw.isolatedWithTarget
 import org.openrndr.draw.renderTarget
 import org.openrndr.extra.noise.Random
+import org.openrndr.extra.noise.uniform
 import org.openrndr.math.Polar
 import org.openrndr.math.clamp
 import org.openrndr.poissonfill.PoissonFill
@@ -34,11 +35,11 @@ fun main() {
             val things = List(10) {
                 Thing(
                         ColorHSVa(it * 182.0,
-                                Random.double(0.3, 0.6),
+                                Double.uniform(0.3, 0.6),
-                                Random.double(0.1, 0.9)).toRGBa(),
+                                Double.uniform(0.1, 0.9)).toRGBa(),
-                        Polar(Random.double0(360.0),
+                        Polar(Double.uniform(0.0, 360.0),
                                 100.0 + it * 10.0),
-                        Polar(Random.double(-1.0, 1.0), 0.0))
+                        Polar(Double.uniform(-1.0, 1.0), 0.0))
             }
             val mouseTracker = MouseTracker(mouse)
 

orx-jvm/orx-realsense2/src/demo/kotlin/DemoRS201.kt

@@ -6,29 +6,27 @@ import org.openrndr.draw.colorBuffer
 import org.openrndr.draw.tint
 import org.openrndr.extra.realsense2.RS2Sensor
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val sensors = RS2Sensor.listSensors()
-            val sensors = RS2Sensor.listSensors()
+        val depthFrame = colorBuffer(640, 480, format = ColorFormat.R, type = ColorType.UINT16)
-            val depthFrame = colorBuffer(640, 480, format = ColorFormat.R, type = ColorType.UINT16)
+        for (sensor in sensors) {
-            for (sensor in sensors) {
-                println(sensor)
-            }
-            val sensor = RS2Sensor.openFirstOrDummy()
             println(sensor)
-            for (stream in sensor.streams) {
+        }
-                println(stream.intrinsics)
+        val sensor = RS2Sensor.openFirstOrDummy()
-            }
+        println(sensor)
+        for (stream in sensor.streams) {
+            println(stream.intrinsics)
+        }
 
 
-            sensor.depthFrameReceived.listen {
+        sensor.depthFrameReceived.listen {
-                it.copyTo(depthFrame)
+            it.copyTo(depthFrame)
-            }
+        }
-            extend {
+        extend {
-                sensor.waitForFrames()
+            sensor.waitForFrames()
-                drawer.drawStyle.colorMatrix = tint(ColorRGBa.WHITE.shade(20.0))
+            drawer.drawStyle.colorMatrix = tint(ColorRGBa.WHITE.shade(20.0))
-                drawer.image(depthFrame)
+            drawer.image(depthFrame)
-            }
         }
     }
 }

orx-jvm/orx-realsense2/src/demo/kotlin/DemoRS202.kt

@@ -11,34 +11,32 @@ import org.openrndr.extra.realsense2.RS2Sensor
  *
  * Tested with two sensors, only uses depth stream now
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 1280
-            width = 1280
+        height = 720
-            height = 720
+    }
+    program {
+        val sensorDescriptions = RS2Sensor.listSensors()
+
+        val sensors = sensorDescriptions.map {
+            it.open()
         }
-        program {
-            val sensorDescriptions = RS2Sensor.listSensors()
 
-            val sensors = sensorDescriptions.map {
+        val depthFrames = sensors.map {
-                it.open()
+            colorBuffer(640, 480, format = ColorFormat.R, type = ColorType.UINT16)
+        }
+        sensors.forEachIndexed { index, it ->
+            it.depthFrameReceived.listen {
+                it.copyTo(depthFrames[index])
             }
-
+        }
-            val depthFrames = sensors.map {
+        extend {
-                colorBuffer(640, 480, format = ColorFormat.R, type = ColorType.UINT16)
+            drawer.drawStyle.colorMatrix = tint(ColorRGBa.WHITE.shade(20.0))
-            }
+            for ((index, sensor) in sensors.withIndex()) {
-            sensors.forEachIndexed { index, it ->
+                sensor.waitForFrames()
-                it.depthFrameReceived.listen {
+                drawer.image(depthFrames[index])
-                    it.copyTo(depthFrames[index])
+                drawer.translate(640.0, 0.0)
-                }
-            }
-            extend {
-                drawer.drawStyle.colorMatrix = tint(ColorRGBa.WHITE.shade(20.0))
-                for ((index, sensor) in sensors.withIndex()) {
-                    sensor.waitForFrames()
-                    drawer.image(depthFrames[index])
-                    drawer.translate(640.0, 0.0)
-                }
             }
         }
     }

orx-jvm/orx-realsense2/src/demo/kotlin/DemoUnproject01.kt

@@ -1,9 +1,7 @@
 import org.openrndr.application
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
 
-        }
     }
 }

orx-mesh-noise/src/jvmDemo/kotlin/DemoNonUniformMeshNoise01.kt

@@ -6,20 +6,13 @@ import org.openrndr.draw.shadeStyle
 import org.openrndr.extra.camera.Orbital
 import org.openrndr.extra.mesh.IIndexedPolygon
 import org.openrndr.extra.mesh.IVertexData
-import org.openrndr.extra.mesh.noise.nonuniform
-import org.openrndr.extra.mesh.noise.nonuniformHammersley
 import org.openrndr.extra.mesh.noise.nonuniformRSeq
-import org.openrndr.extra.objloader.loadOBJMeshData
-import org.openrndr.extra.mesh.noise.uniform
 import org.openrndr.extra.meshgenerators.normals.estimateNormals
 import org.openrndr.extra.meshgenerators.sphereMesh
-import org.openrndr.math.Spherical
+import org.openrndr.extra.objloader.loadOBJMeshData
 import org.openrndr.math.Vector3
 import java.io.File
-import kotlin.math.absoluteValue
-import kotlin.math.cos
 import kotlin.math.pow
-import kotlin.math.sin
 import kotlin.random.Random
 
 

orx-property-watchers/src/jvmDemo/kotlin/DemoImagePathWatcher01.kt

@@ -6,28 +6,26 @@ import org.openrndr.drawImage
 import org.openrndr.extra.propertywatchers.watchingImagePath
 import org.openrndr.extra.propertywatchers.watchingProperty
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val state = object {
-            val state = object {
+            var path = "demo-data/images/image-001.png"
-                var path = "demo-data/images/image-001.png"
+            val image by watchingImagePath(::path) {
-                val image by watchingImagePath(::path) {
+                drawImage(it.width, it.height) {
-                    drawImage(it.width, it.height) {
+                    drawer.drawStyle.colorMatrix = grayscale()
-                        drawer.drawStyle.colorMatrix = grayscale()
+                    drawer.image(it)
-                        drawer.image(it)
-                    }
-                }
-                val redImage by watchingProperty(::image, cleaner = { it.destroy() }) {
-                    drawImage(it.width, it.height) {
-                        drawer.drawStyle.colorMatrix = tint(ColorRGBa.RED)
-                        drawer.image(it)
-                    }
                 }
             }
+            val redImage by watchingProperty(::image, cleaner = { it.destroy() }) {
+                drawImage(it.width, it.height) {
+                    drawer.drawStyle.colorMatrix = tint(ColorRGBa.RED)
+                    drawer.image(it)
+                }
+            }
+        }
 
-            extend {
+        extend {
-                drawer.image(state.redImage)
+            drawer.image(state.redImage)
-            }
         }
     }
 }

orx-property-watchers/src/jvmDemo/kotlin/DemoPropertyWatchers01.kt

@@ -1,22 +1,20 @@
 import org.openrndr.application
 import org.openrndr.extra.propertywatchers.watchingProperty
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val state = object {
-            val state = object {
+            val x by watchingProperty(mouse::position) {
-                val x by watchingProperty(mouse::position) {
+                it.x
-                    it.x
-                }
-
-                val xx by watchingProperty(::x) {
-                    it * it
-                }
             }
 
-            extend {
+            val xx by watchingProperty(::x) {
-                state.x
+                it * it
             }
         }
+
+        extend {
+            state.x
+        }
     }
 }

orx-quadtree/src/jvmDemo/kotlin/DemoQuadTree01.kt

@@ -7,42 +7,40 @@ import org.openrndr.extra.quadtree.Quadtree
 import org.openrndr.math.Vector2
 import org.openrndr.shape.Rectangle
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+        title = "QuadTree"
-            title = "QuadTree"
+    }
+    program {
+        val box = Rectangle.fromCenter(Vector2(400.0), 750.0)
+
+        val points = (0 until 1_000).map {
+            Vector2.gaussian(box.center, Vector2(95.0), Random.rnd)
         }
-        program {
-            val box = Rectangle.fromCenter(Vector2(400.0), 750.0)
 
-            val points = (0 until 1_000).map {
+        val quadTree = Quadtree<Vector2>(box) { it }
-                Vector2.gaussian(box.center, Vector2(95.0), Random.rnd)
-            }
 
-            val quadTree = Quadtree<Vector2>(box) { it }
+        for (point in points) {
+            quadTree.insert(point)
+        }
 
-            for (point in points) {
+        val batch = drawer.rectangleBatch {
-                quadTree.insert(point)
+            this.fill = null
-            }
+            this.stroke = ColorRGBa.GRAY
+            this.strokeWeight = 0.5
+            quadTree.batch(this)
+        }
 
-            val batch = drawer.rectangleBatch {
+        extend {
-                this.fill = null
+            drawer.clear(ColorRGBa.BLACK)
-                this.stroke = ColorRGBa.GRAY
-                this.strokeWeight = 0.5
-                quadTree.batch(this)
-            }
 
-            extend {
+            drawer.rectangles(batch)
-                drawer.clear(ColorRGBa.BLACK)
 
-                drawer.rectangles(batch)
+            drawer.fill = ColorRGBa.PINK.opacify(0.7)
-
+            drawer.stroke = null
-                drawer.fill = ColorRGBa.PINK.opacify(0.7)
+            drawer.circles(points, 5.0)
-                drawer.stroke = null
-                drawer.circles(points, 5.0)
-            }
         }
     }
 }

orx-quadtree/src/jvmDemo/kotlin/DemoQuadTree02.kt

@@ -7,68 +7,66 @@ import org.openrndr.extra.quadtree.Quadtree
 import org.openrndr.math.Vector2
 import org.openrndr.shape.Rectangle
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+        title = "QuadTree"
-            title = "QuadTree"
+    }
+    program {
+        val box = Rectangle.fromCenter(Vector2(400.0), 750.0)
+
+        val points = (0 until 100).map {
+            Vector2.gaussian(box.center, Vector2(95.0), Random.rnd)
         }
-        program {
-            val box = Rectangle.fromCenter(Vector2(400.0), 750.0)
 
-            val points = (0 until 100).map {
+        val quadTree = Quadtree<Vector2>(box) { it }
-                Vector2.gaussian(box.center, Vector2(95.0), Random.rnd)
-            }
 
-            val quadTree = Quadtree<Vector2>(box) { it }
+        for (point in points) {
+            quadTree.insert(point)
+        }
 
-            for (point in points) {
+        val selected = points[3]
-                quadTree.insert(point)
+        val radius = 40.0
-            }
 
-            val selected = points[3]
+        val nearestQuery = quadTree.nearest(selected, radius)
-            val radius = 40.0
 
-            val nearestQuery = quadTree.nearest(selected, radius)
+        val batch = drawer.rectangleBatch {
+            this.fill = null
+            this.stroke = ColorRGBa.GRAY
+            this.strokeWeight = 0.5
+            quadTree.batch(this)
+        }
 
-            val batch = drawer.rectangleBatch {
+        extend {
-                this.fill = null
+            drawer.clear(ColorRGBa.BLACK)
-                this.stroke = ColorRGBa.GRAY
-                this.strokeWeight = 0.5
-                quadTree.batch(this)
-            }
 
-            extend {
+            drawer.rectangles(batch)
-                drawer.clear(ColorRGBa.BLACK)
 
-                drawer.rectangles(batch)
+            drawer.fill = ColorRGBa.PINK.opacify(0.7)
+            drawer.stroke = null
+            drawer.circles(points, 5.0)
 
-                drawer.fill = ColorRGBa.PINK.opacify(0.7)
+            nearestQuery?.let { (nearest, neighbours, nodes) ->
                 drawer.stroke = null
-                drawer.circles(points, 5.0)
+                drawer.fill = ColorRGBa.YELLOW.opacify(0.2)
 
-                nearestQuery?.let { (nearest, neighbours, nodes) ->
+                for (node in nodes) {
-                    drawer.stroke = null
+                    node.draw(drawer)
-                    drawer.fill = ColorRGBa.YELLOW.opacify(0.2)
-
-                    for (node in nodes) {
-                        node.draw(drawer)
-                    }
-
-                    drawer.fill = ColorRGBa.GREEN.opacify(0.7)
-                    drawer.circles(neighbours, 5.0)
-
-                    drawer.fill = ColorRGBa.RED.opacify(0.9)
-                    drawer.circle(nearest, 5.0)
-
-                    drawer.fill = ColorRGBa.PINK
-                    drawer.circle(selected, 5.0)
-
-                    drawer.stroke = ColorRGBa.PINK
-                    drawer.fill = null
-                    drawer.circle(selected, radius)
                 }
+
+                drawer.fill = ColorRGBa.GREEN.opacify(0.7)
+                drawer.circles(neighbours, 5.0)
+
+                drawer.fill = ColorRGBa.RED.opacify(0.9)
+                drawer.circle(nearest, 5.0)
+
+                drawer.fill = ColorRGBa.PINK
+                drawer.circle(selected, 5.0)
+
+                drawer.stroke = ColorRGBa.PINK
+                drawer.fill = null
+                drawer.circle(selected, radius)
             }
         }
     }

orx-shade-styles/src/jvmDemo/kotlin/DemoAllGradients01.kt

@@ -9,74 +9,78 @@ import org.openrndr.shape.Rectangle
  * Example of 5 gradient styles.
  * NPointLinear and NPoingGradient have separate demos.
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 1000
-            width = 1000
+        height = 500
-            height = 500
+    }
-        }
+    program {
-        program {
+        // Create gradients with initial colors
-            // Create gradients with initial colors
+        val gradients = listOf(
-            val gradients = listOf(
+            RadialGradient(ColorRGBa.PINK, ColorRGBa.WHITE),
-                    RadialGradient(ColorRGBa.PINK, ColorRGBa.WHITE),
+            AngularGradient(ColorRGBa.PINK, ColorRGBa.WHITE),
-                    AngularGradient(ColorRGBa.PINK, ColorRGBa.WHITE),
+            NPointGradient(Array(4) {
-                    NPointGradient(Array(4) {
+                ColorRGBa.PINK.shade(it / 3.0)
-                        ColorRGBa.PINK.shade(it / 3.0)
+            }),
-                    }),
+            LinearGradient(ColorRGBa.PINK, ColorRGBa.WHITE),
-                    LinearGradient(ColorRGBa.PINK, ColorRGBa.WHITE),
+            HalfAngularGradient(ColorRGBa.PINK, ColorRGBa.WHITE)
-                    HalfAngularGradient(ColorRGBa.PINK, ColorRGBa.WHITE)
+        )
-            )
 
-            extend {
+        extend {
-                gradients.forEachIndexed { gradientId, gradient ->
+            gradients.forEachIndexed { gradientId, gradient ->
-                    for (column in 0 until 10) {
+                for (column in 0 until 10) {
-                        val color1 = ColorRGBa.PINK.toHSVa().shiftHue(column * 12.0)
+                    val color1 = ColorRGBa.PINK.toHSVa().shiftHue(column * 12.0)
-                                .shade(0.5).toRGBa()
+                        .shade(0.5).toRGBa()
 
-                        val w = width.toDouble() / 10.0
+                    val w = width.toDouble() / 10.0
-                        val h = height.toDouble() / gradients.size
+                    val h = height.toDouble() / gradients.size
-                        val rect = Rectangle(column * w, gradientId * h, w, h)
+                    val rect = Rectangle(column * w, gradientId * h, w, h)
 
-                        val offset = Polar((seconds + column) * 15.0, 0.3).cartesian
+                    val offset = Polar((seconds + column) * 15.0, 0.3).cartesian
 
-                        drawer.isolated {
+                    drawer.isolated {
-                            when (gradient) {
+                        when (gradient) {
-                                is RadialGradient -> {
+                            is RadialGradient -> {
-                                    gradient.color1 = color1
+                                gradient.color1 = color1
-                                    gradient.exponent = column / 3.0 + 0.3
+                                gradient.exponent = column / 3.0 + 0.3
-                                    gradient.length = 0.6
+                                gradient.length = 0.6
-                                    gradient.offset = offset
+                                gradient.offset = offset
-                                }
+                            }
-                                is AngularGradient -> {
+
-                                    gradient.color1 = color1
+                            is AngularGradient -> {
-                                    gradient.exponent = column / 3.0 + 0.3
+                                gradient.color1 = color1
-                                    gradient.rotation = (seconds - column) * 10.0
+                                gradient.exponent = column / 3.0 + 0.3
-                                    gradient.offset = offset
+                                gradient.rotation = (seconds - column) * 10.0
-                                }
+                                gradient.offset = offset
-                                is LinearGradient -> {
+                            }
-                                    gradient.color1 = color1
+
-                                    gradient.exponent = column / 3.0 + 0.3
+                            is LinearGradient -> {
-                                    gradient.rotation = seconds * 10.0
+                                gradient.color1 = color1
-                                }
+                                gradient.exponent = column / 3.0 + 0.3
-                                is HalfAngularGradient -> {
+                                gradient.rotation = seconds * 10.0
-                                    gradient.color1 = color1
+                            }
-                                    gradient.exponent = column / 3.0 + 0.3
+
-                                    gradient.rotation = (column - seconds) * 10.0
+                            is HalfAngularGradient -> {
-                                    gradient.offset = offset
+                                gradient.color1 = color1
-                                }
+                                gradient.exponent = column / 3.0 + 0.3
-                                is NPointGradient -> {
+                                gradient.rotation = (column - seconds) * 10.0
-                                    // Animate points.
+                                gradient.offset = offset
-                                    // We could also animate colors.
+                            }
-                                    gradient.points = Array(gradient.colors.size) {
+
-                                        rect.center + Polar(it * 90.0 +
+                            is NPointGradient -> {
+                                // Animate points.
+                                // We could also animate colors.
+                                gradient.points = Array(gradient.colors.size) {
+                                    rect.center + Polar(
+                                        it * 90.0 +
                                                 column * 36 - seconds * 10,
-                                                40.0).cartesian
+                                        40.0
-                                    }
+                                    ).cartesian
                                 }
                             }
-                            shadeStyle = gradient
-                            rectangle(rect)
                         }
+                        shadeStyle = gradient
+                        rectangle(rect)
                     }
                 }
             }

orx-shade-styles/src/jvmDemo/kotlin/DemoLinearGradient.kt

@@ -3,23 +3,21 @@ import org.openrndr.color.ColorRGBa
 import org.openrndr.extra.color.spaces.toOKLABa
 import org.openrndr.extra.shadestyles.linearGradient
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        extend {
-            extend {
+            drawer.shadeStyle = linearGradient(
-                drawer.shadeStyle = linearGradient(
+                ColorRGBa.RED.toOKLABa(),
-                    ColorRGBa.RED.toOKLABa(),
+                ColorRGBa.BLUE.toOKLABa(),
-                    ColorRGBa.BLUE.toOKLABa(),
+            )
-                )
+            drawer.rectangle(120.0, 40.0, 200.0, 400.0)
-                drawer.rectangle(120.0, 40.0, 200.0, 400.0)
 
-                drawer.shadeStyle = linearGradient(
+            drawer.shadeStyle = linearGradient(
-                    ColorRGBa.RED,
+                ColorRGBa.RED,
-                    ColorRGBa.BLUE
+                ColorRGBa.BLUE
-                )
+            )
 
-                drawer.rectangle(120.0+200.0, 40.0, 200.0, 400.0)
+            drawer.rectangle(120.0 + 200.0, 40.0, 200.0, 400.0)
-            }
         }
     }
 }

orx-shade-styles/src/jvmDemo/kotlin/DemoNPointGradient01.kt

@@ -16,30 +16,28 @@ import kotlin.math.cos
  * on a static shape (a circle for example) or you can animate a shape
  * with a static gradient.
  */
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val numPoints = 8
-            val numPoints = 8
+        val gradient = NPointGradient(Array(numPoints) {
-            val gradient = NPointGradient(Array(numPoints) {
+            ColorXSVa(it * 360.0 / numPoints, 1.0, 1.0).toRGBa()
-                ColorXSVa(it * 360.0 / numPoints, 1.0, 1.0).toRGBa()
+        })
-            })
 
-            extend {
+        extend {
-                drawer.run {
+            drawer.run {
-                    clear(ColorRGBa.WHITE.shade(0.9))
+                clear(ColorRGBa.WHITE.shade(0.9))
-                    val t = PI * 2 * (frameCount % 300) / 300.0
+                val t = PI * 2 * (frameCount % 300) / 300.0
-                    val points = Array(numPoints) {
+                val points = Array(numPoints) {
-                        val lfo = cos(it * PI / 2 - t)
+                    val lfo = cos(it * PI / 2 - t)
-                        val theta = it * 360.0 / numPoints - 22.5 * lfo
+                    val theta = it * 360.0 / numPoints - 22.5 * lfo
-                        val radius = 200 + 170 * lfo
+                    val radius = 200 + 170 * lfo
-                        bounds.center + Polar(theta, radius).cartesian
+                    bounds.center + Polar(theta, radius).cartesian
-                    }
-                    gradient.points = points
-                    shadeStyle = gradient
-                    stroke = ColorRGBa.WHITE
-                    strokeWeight = 4.0
-                    contour(ShapeContour.fromPoints(points.asList(), true))
                 }
+                gradient.points = points
+                shadeStyle = gradient
+                stroke = ColorRGBa.WHITE
+                strokeWeight = 4.0
+                contour(ShapeContour.fromPoints(points.asList(), true))
             }
         }
     }

orx-shade-styles/src/jvmDemo/kotlin/DemoNPointLinearGradient01.kt

@@ -15,50 +15,48 @@ import kotlin.math.sin
  * uniformly between 0.0 and 1.0 and then animated towards one of
  * the ends over time using pow() and sin(seconds).
  */
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val numPoints = 8
-            val numPoints = 8
+        // Create gradients using two different color spaces
-            // Create gradients using two different color spaces
+        val gradients = listOf(
-            val gradients = listOf(
+            NPointLinearGradient(Array(numPoints) {
-                NPointLinearGradient(Array(numPoints) {
+                ColorXSVa(it * 360.0 / numPoints, 1.0, 1.0).toRGBa()
-                    ColorXSVa(it * 360.0 / numPoints, 1.0, 1.0).toRGBa()
+            }),
-                }),
+            // OKLab is better at maintaining luminosity across the gradient
-                // OKLab is better at maintaining luminosity across the gradient
+            NPointLinearGradientOKLab(Array(numPoints) {
-                NPointLinearGradientOKLab(Array(numPoints) {
+                ColorXSVa(it * 360.0 / numPoints, 1.0, 1.0).toRGBa()
-                    ColorXSVa(it * 360.0 / numPoints, 1.0, 1.0).toRGBa()
+                    .toOKLABa()
-                        .toOKLABa()
+            })
-                })
+        )
-            )
 
-            extend {
+        extend {
-                // The points should be sorted values between 0.0 and 1.0
+            // The points should be sorted values between 0.0 and 1.0
-                val distribution = Array(numPoints) {
+            val distribution = Array(numPoints) {
-                    // uniform distribution
+                // uniform distribution
-                    // (it / (numPoints - 1.0))
+                // (it / (numPoints - 1.0))
 
-                    // skewed and animated distribution
+                // skewed and animated distribution
-                    (it / (numPoints - 1.0)).pow(1.0 + 0.5 * sin(seconds))
+                (it / (numPoints - 1.0)).pow(1.0 + 0.5 * sin(seconds))
-                }
+            }
-                drawer.run {
+            drawer.run {
-                    clear(rgb(0.2))
+                clear(rgb(0.2))
-                    stroke = rgb(0.35)
+                stroke = rgb(0.35)
-                    strokeWeight = 8.0
+                strokeWeight = 8.0
 
-                    gradients.forEachIndexed { i, gradient ->
+                gradients.forEachIndexed { i, gradient ->
-                        shadeStyle = gradient
+                    shadeStyle = gradient
-                        gradient.points = distribution
+                    gradient.points = distribution
 
-                        gradient.rotation = seconds * 10
+                    gradient.rotation = seconds * 10
-                        circle(bounds.position(0.34, 0.29 + 0.44 * i), 110.0)
+                    circle(bounds.position(0.34, 0.29 + 0.44 * i), 110.0)
 
-                        gradient.rotation += 90
+                    gradient.rotation += 90
-                        rectangle(
+                    rectangle(
-                            Rectangle.fromCenter(
+                        Rectangle.fromCenter(
-                                bounds.position(0.655, 0.29 + 0.44 * i), 200.0
+                            bounds.position(0.655, 0.29 + 0.44 * i), 200.0
-                            )
                         )
-                    }
+                    )
                 }
             }
         }

orx-shade-styles/src/jvmDemo/kotlin/DemoNPointRadialGradient01.kt

@@ -6,34 +6,36 @@ import org.openrndr.shape.Circle
 import kotlin.random.Random
 
 /**
- * Demonstrate using a multi color radial gradient.
+ * Demonstrate using a multicolor radial gradient.
  * The gradient has 5 colors (first and last ones are transparent).
  * Any of the properties can be animated, including colors and points.
  * See DemoNPointLinearGradient01.kt for an example of animated properties.
  */
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val gradient = NPointRadialGradient(
-            val gradient = NPointRadialGradient(arrayOf(
+            arrayOf(
-                    ColorRGBa.PINK.opacify(0.0),
+                ColorRGBa.PINK.opacify(0.0),
-                    ColorRGBa.PINK, ColorRGBa.WHITE, ColorRGBa.PINK,
+                ColorRGBa.PINK, ColorRGBa.WHITE, ColorRGBa.PINK,
-                    ColorRGBa.PINK.opacify(0.0)
+                ColorRGBa.PINK.opacify(0.0)
-            ), arrayOf(0.0, 0.4, 0.5, 0.6, 1.0))
+            ), arrayOf(0.0, 0.4, 0.5, 0.6, 1.0)
+        )
 
-            val circles = List(25) {
+        val circles = List(25) {
-                Circle(Random.nextDouble() * drawer.width,
+            Circle(
-                        Random.nextDouble() * drawer.height,
+                Random.nextDouble() * drawer.width,
-                        Random.nextDouble() * 150.0)
+                Random.nextDouble() * drawer.height,
-            }
+                Random.nextDouble() * 150.0
+            )
+        }
 
-            extend {
+        extend {
-                drawer.run {
+            drawer.run {
-                    clear(rgb(0.2))
+                clear(rgb(0.2))
-                    shadeStyle = gradient
+                shadeStyle = gradient
-                    fill = ColorRGBa.WHITE
+                fill = ColorRGBa.WHITE
-                    stroke = null
+                stroke = null
-                    circles(circles)
+                circles(circles)
-                }
             }
         }
     }

orx-shade-styles/src/jvmDemo/kotlin/DemoRadialGradient01.kt

@@ -3,17 +3,15 @@ import org.openrndr.color.ColorRGBa
 import org.openrndr.extra.shadestyles.radialGradient
 import kotlin.math.cos
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        extend {
-            extend {
+            drawer.shadeStyle = radialGradient(
-                drawer.shadeStyle = radialGradient(
+                ColorRGBa.PINK,
-                        ColorRGBa.PINK,
+                ColorRGBa.PINK.toHSVa().shiftHue(180.0).shade(0.5).toRGBa(),
-                        ColorRGBa.PINK.toHSVa().shiftHue(180.0).shade(0.5).toRGBa(),
+                exponent = cos(seconds) * 0.5 + 0.5
-                        exponent = cos(seconds)*0.5+0.5
+            )
-                )
+            drawer.rectangle(120.0, 40.0, 400.0, 400.0)
-                drawer.rectangle(120.0, 40.0, 400.0, 400.0)
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour01.kt

@@ -8,28 +8,26 @@ import org.openrndr.shape.Circle
 import kotlin.math.cos
 import kotlin.math.sin
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            var contour = Circle(drawer.bounds.center, 300.0).contour
-                var contour = Circle(drawer.bounds.center, 300.0).contour
+            contour = adjustContour(contour) {
-                contour = adjustContour(contour) {
+                selectVertex(0)
-                    selectVertex(0)
+                vertex.moveBy(Vector2(cos(seconds) * 40.0, sin(seconds * 0.43) * 40.0))
-                    vertex.moveBy(Vector2(cos(seconds) * 40.0, sin(seconds * 0.43) * 40.0))
 
-                    selectVertex(2)
+                selectVertex(2)
-                    vertex.rotate(seconds * 45.0)
+                vertex.rotate(seconds * 45.0)
 
-                    selectVertex(1)
+                selectVertex(1)
-                    vertex.scale(cos(seconds*0.943)*2.0)
+                vertex.scale(cos(seconds * 0.943) * 2.0)
-                }
-                drawer.stroke = ColorRGBa.RED
-                drawer.contour(contour)
             }
+            drawer.stroke = ColorRGBa.RED
+            drawer.contour(contour)
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour02.kt

@@ -8,27 +8,25 @@ import org.openrndr.shape.Circle
 import kotlin.math.cos
 import kotlin.math.sin
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            var contour = Circle(drawer.bounds.center, 300.0).contour
-                var contour = Circle(drawer.bounds.center, 300.0).contour
+            contour = adjustContour(contour) {
-                contour = adjustContour(contour) {
+                selectVertex(0)
-                    selectVertex(0)
+                vertex.remove()
-                    vertex.remove()
+                selectVertex(0)
-                    selectVertex(0)
+                vertex.moveBy(Vector2(cos(seconds) * 40.0, sin(seconds * 0.43) * 40.0))
-                    vertex.moveBy(Vector2(cos(seconds) * 40.0, sin(seconds * 0.43) * 40.0))
+                vertex.scale(cos(seconds * 2.0) * 2.0)
-                    vertex.scale(cos(seconds*2.0)*2.0)
 
 
-                }
-                drawer.stroke = ColorRGBa.RED
-                drawer.contour(contour)
             }
+            drawer.stroke = ColorRGBa.RED
+            drawer.contour(contour)
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour03.kt

@@ -7,37 +7,35 @@ import org.openrndr.math.Vector2
 import kotlin.math.cos
 import kotlin.math.sin
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            var contour = drawer.bounds.scaledBy(0.5, 0.5, 0.5).contour
-                var contour = drawer.bounds.scaledBy(0.5, 0.5, 0.5).contour
+            contour = adjustContour(contour) {
-                contour = adjustContour(contour) {
+                for (i in 0 until 4) {
-                    for (i in 0 until 4) {
+                    selectEdge(i)
-                        selectEdge(i)
-                        edge.toCubic()
-                    }
-                    selectEdge(0)
-                    edge.scale(0.5, 0.5)
-                    edge.rotate(cos(seconds*0.5)*30.0)
-                    selectEdge(1)
                     edge.toCubic()
-                    edge.splitAt(0.5)
-                    edge.moveBy(Vector2(cos(seconds*10.0) * 40.0, 0.0))
-                    //edge.next?.select()
-                    selectEdge(3)
-
-                    edge.moveBy(Vector2(0.0, sin(seconds*10.0) * 40.0))
-
-
                 }
-                drawer.stroke = ColorRGBa.RED
+                selectEdge(0)
-                drawer.contour(contour)
+                edge.scale(0.5, 0.5)
+                edge.rotate(cos(seconds * 0.5) * 30.0)
+                selectEdge(1)
+                edge.toCubic()
+                edge.splitAt(0.5)
+                edge.moveBy(Vector2(cos(seconds * 10.0) * 40.0, 0.0))
+                //edge.next?.select()
+                selectEdge(3)
+
+                edge.moveBy(Vector2(0.0, sin(seconds * 10.0) * 40.0))
+
+
             }
+            drawer.stroke = ColorRGBa.RED
+            drawer.contour(contour)
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour04.kt

@@ -6,26 +6,24 @@ import org.openrndr.extra.shapes.adjust.adjustContour
 import org.openrndr.shape.Circle
 import kotlin.math.cos
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            var contour = if (seconds.mod(2.0) < 1.0) {
-                var contour = if (seconds.mod(2.0) < 1.0) {
+                drawer.bounds.scaledBy(0.5, 0.5, 0.5).contour
-                    drawer.bounds.scaledBy(0.5, 0.5, 0.5).contour
+            } else {
-                } else {
+                Circle(drawer.bounds.center, 300.0).contour
-                    Circle(drawer.bounds.center, 300.0).contour
-                }
-                contour = adjustContour(contour) {
-                    selectEdge(0)
-                    edge.replaceWith(cos(seconds) * 0.5 + 0.5)
-                }
-                drawer.stroke = ColorRGBa.RED
-                drawer.contour(contour)
             }
+            contour = adjustContour(contour) {
+                selectEdge(0)
+                edge.replaceWith(cos(seconds) * 0.5 + 0.5)
+            }
+            drawer.stroke = ColorRGBa.RED
+            drawer.contour(contour)
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour05.kt

@@ -6,31 +6,29 @@ import org.openrndr.extra.shapes.adjust.adjustContour
 import org.openrndr.shape.Circle
 import kotlin.math.cos
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            var contour =
-                var contour =
+                Circle(drawer.bounds.center, 300.0).contour
-                    Circle(drawer.bounds.center, 300.0).contour
 
-                contour = adjustContour(contour) {
+            contour = adjustContour(contour) {
-                    selectEdges(0, 1, 2, 3)
+                selectEdges(0, 1, 2, 3)
-                    edges.forEachIndexed { index, it ->
+                edges.forEachIndexed { index, it ->
-                        if (index == seconds.mod(4.0).toInt()) {
+                    if (index == seconds.mod(4.0).toInt()) {
-                            it.replaceWith(0.5)
+                        it.replaceWith(0.5)
-                        } else {
+                    } else {
-                            val v = cos(seconds) * 0.15 + 0.25
+                        val v = cos(seconds) * 0.15 + 0.25
-                            it.sub(0.5 - v, 0.5 + v)
+                        it.sub(0.5 - v, 0.5 + v)
-                        }
                     }
                 }
-                drawer.stroke = ColorRGBa.RED
-                drawer.contour(contour)
             }
+            drawer.stroke = ColorRGBa.RED
+            drawer.contour(contour)
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour06.kt

@@ -6,38 +6,36 @@ import org.openrndr.extra.shapes.adjust.adjustContour
 import org.openrndr.shape.Circle
 import kotlin.math.cos
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            var contour =
-                var contour =
+                Circle(drawer.bounds.center, 300.0).contour
-                    Circle(drawer.bounds.center, 300.0).contour
 
-                contour = adjustContour(contour) {
+            contour = adjustContour(contour) {
-                    parameters.clearSelectedVertices = true
+                parameters.clearSelectedVertices = true
-                    parameters.selectInsertedVertices = true
+                parameters.selectInsertedVertices = true
 
 
-                    for (i in 0 until 4) {
+                for (i in 0 until 4) {
-                        val splitT = cos(seconds + i * Math.PI*0.5)*0.2+0.5
+                    val splitT = cos(seconds + i * Math.PI * 0.5) * 0.2 + 0.5
-                        selectEdges { it -> true }
+                    selectEdges { it -> true }
-                        for (e in edges) {
+                    for (e in edges) {
-                            e.splitAt(splitT)
+                        e.splitAt(splitT)
-                        }
+                    }
-                        // as a resut of the clearSelectedVertices and selectInsertedVertices settings
+                    // as a resut of the clearSelectedVertices and selectInsertedVertices settings
-                        // the vertex selection is set to the newly inserted vertices
+                    // the vertex selection is set to the newly inserted vertices
-                        for ((index, v) in vertices.withIndex()) {
+                    for ((index, v) in vertices.withIndex()) {
-                            v.scale(cos(seconds + i + index) * 0.5 * (1.0 / (1.0 + i)) + 1.0, drawer.bounds.center)
+                        v.scale(cos(seconds + i + index) * 0.5 * (1.0 / (1.0 + i)) + 1.0, drawer.bounds.center)
-                        }
                     }
                 }
-                drawer.stroke = ColorRGBa.RED
-                drawer.contour(contour)
             }
+            drawer.stroke = ColorRGBa.RED
+            drawer.contour(contour)
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour07.kt

@@ -7,36 +7,34 @@ import org.openrndr.math.Vector2
 import org.openrndr.shape.contour
 import kotlin.math.cos
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            var contour = contour {
-                var contour = contour {
+                moveTo(drawer.bounds.center - Vector2(300.0, 0.0))
-                    moveTo(drawer.bounds.center - Vector2(300.0, 0.0))
+                lineTo(drawer.bounds.center + Vector2(300.0, 0.0))
-                    lineTo(drawer.bounds.center + Vector2(300.0, 0.0))
-                }
-
-                contour = adjustContour(contour) {
-                    selectEdge(0)
-                    edge.splitIn(128)
-                    val tr = cos(seconds) * 0.5 + 0.5
-
-                    selectVertices { i, v -> v.t >= tr }
-                    val anchor = contour.position(tr)
-
-                    for (v in vertices) {
-                        v.rotate((v.t - tr) * 2000.0, anchor)
-                        v.scale(0.05, anchor)
-                    }
-                }
-
-                drawer.stroke = ColorRGBa.RED
-                drawer.contour(contour)
             }
+
+            contour = adjustContour(contour) {
+                selectEdge(0)
+                edge.splitIn(128)
+                val tr = cos(seconds) * 0.5 + 0.5
+
+                selectVertices { i, v -> v.t >= tr }
+                val anchor = contour.position(tr)
+
+                for (v in vertices) {
+                    v.rotate((v.t - tr) * 2000.0, anchor)
+                    v.scale(0.05, anchor)
+                }
+            }
+
+            drawer.stroke = ColorRGBa.RED
+            drawer.contour(contour)
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour08.kt

@@ -1,4 +1,4 @@
-//package adjust
+package adjust
 
 import org.openrndr.application
 import org.openrndr.color.ColorRGBa
@@ -6,46 +6,44 @@ import org.openrndr.extra.shapes.adjust.adjustContour
 import org.openrndr.math.Vector2
 import org.openrndr.shape.contour
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            var contour = contour {
-                var contour = contour {
+                moveTo(drawer.bounds.position(0.5, 0.1) - Vector2(300.0, 0.0))
-                    moveTo(drawer.bounds.position(0.5, 0.1) - Vector2(300.0, 0.0))
+                lineTo(drawer.bounds.position(0.5, 0.1) + Vector2(300.0, 0.0))
-                    lineTo(drawer.bounds.position(0.5, 0.1) + Vector2(300.0, 0.0))
+            }
-                }
 
-                contour = adjustContour(contour) {
+            contour = adjustContour(contour) {
-                    selectVertex(0)
+                selectVertex(0)
-                    vertex.moveControlOutBy(Vector2(0.0, 100.0))
+                vertex.moveControlOutBy(Vector2(0.0, 100.0))
 
-                    selectVertex(1)
+                selectVertex(1)
-                    vertex.moveControlInBy(Vector2(0.0, -100.0))
+                vertex.moveControlInBy(Vector2(0.0, -100.0))
-
-                }
-                drawer.stroke = ColorRGBa.RED
-                drawer.contour(contour)
-
-
-                contour = contour {
-                    moveTo(drawer.bounds.position(0.5, 0.2) - Vector2(300.0, 0.0))
-                    lineTo(drawer.bounds.position(0.5, 0.2) + Vector2(300.0, 0.0))
-                }
-
-                contour = adjustContour(contour) {
-                    selectEdge(0)
-                    edge.moveControl0By(Vector2(0.0, 100.0))
-                    edge.moveControl1By(Vector2(0.0, -100.0))
-
-                }
-                drawer.stroke = ColorRGBa.RED
-                drawer.contour(contour)
 
             }
+            drawer.stroke = ColorRGBa.RED
+            drawer.contour(contour)
+
+
+            contour = contour {
+                moveTo(drawer.bounds.position(0.5, 0.2) - Vector2(300.0, 0.0))
+                lineTo(drawer.bounds.position(0.5, 0.2) + Vector2(300.0, 0.0))
+            }
+
+            contour = adjustContour(contour) {
+                selectEdge(0)
+                edge.moveControl0By(Vector2(0.0, 100.0))
+                edge.moveControl1By(Vector2(0.0, -100.0))
+
+            }
+            drawer.stroke = ColorRGBa.RED
+            drawer.contour(contour)
+
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour09.kt

@@ -9,51 +9,49 @@ import org.openrndr.extra.shapes.tunni.tunniLine
 import org.openrndr.extra.shapes.tunni.tunniPoint
 import kotlin.math.sqrt
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            drawer.clear(ColorRGBa.WHITE)
-                drawer.clear(ColorRGBa.WHITE)
+            var contour = drawer.bounds.offsetEdges(-200.0).contour
-                var contour = drawer.bounds.offsetEdges(-200.0).contour
 
-                drawer.fill = null
+            drawer.fill = null
 
-                contour = adjustContour(contour) {
+            contour = adjustContour(contour) {
-                    selectVertices(0, 1)
+                selectVertices(0, 1)
-                    for (v in vertices) {
+                for (v in vertices) {
-                        v.averageTangents()
+                    v.averageTangents()
-                        v.scale(sqrt(2.0))
+                    v.scale(sqrt(2.0))
-                        v.rotate(45.0)
+                    v.rotate(45.0)
-                    }
-
-                    selectVertices(2)
-                    for (v in vertices) {
-                        v.switchTangents()
-                    }
                 }
-                drawer.stroke = ColorRGBa.BLACK
-                drawer.contour(contour)
 
-                drawer.stroke = ColorRGBa.RED
+                selectVertices(2)
-
+                for (v in vertices) {
-                for (s in contour.segments) {
+                    v.switchTangents()
-                    drawer.lineSegment(s.start, s.cubic.control[0])
-                    drawer.lineSegment(s.end, s.cubic.control[1])
                 }
-                drawer.fill = ColorRGBa.BLACK
+            }
-                drawer.stroke = null
+            drawer.stroke = ColorRGBa.BLACK
-                drawer.circles(contour.segments.map { it.start }, 5.0)
+            drawer.contour(contour)
 
-                drawer.stroke = ColorRGBa.GRAY
+            drawer.stroke = ColorRGBa.RED
-                for (s in contour.segments) {
+
-                    drawer.lineSegment(s.tunniLine)
+            for (s in contour.segments) {
-                    drawer.fill = ColorRGBa.CYAN
+                drawer.lineSegment(s.start, s.cubic.control[0])
-                    drawer.circle(s.tunniPoint, 5.0)
+                drawer.lineSegment(s.end, s.cubic.control[1])
-                }
+            }
+            drawer.fill = ColorRGBa.BLACK
+            drawer.stroke = null
+            drawer.circles(contour.segments.map { it.start }, 5.0)
+
+            drawer.stroke = ColorRGBa.GRAY
+            for (s in contour.segments) {
+                drawer.lineSegment(s.tunniLine)
+                drawer.fill = ColorRGBa.CYAN
+                drawer.circle(s.tunniPoint, 5.0)
             }
         }
     }

orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContourContinue01.kt

@@ -12,90 +12,88 @@ import org.openrndr.math.Vector2
 import org.openrndr.shape.Segment2D
 import kotlin.math.cos
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
 
-            var res = drawer.bounds.offsetEdges(-200.0).contour
+        var res = drawer.bounds.offsetEdges(-200.0).contour
-            var selectedSegments = emptyList<Segment2D>()
+        var selectedSegments = emptyList<Segment2D>()
-            var selectedPoints = emptyList<Vector2>()
+        var selectedPoints = emptyList<Vector2>()
 
-            val contourSeq = adjustContourSequence(res) {
+        val contourSeq = adjustContourSequence(res) {
 
-                sequence {
+            sequence {
-                    for (i in 0 until 1000) {
+                for (i in 0 until 1000) {
-                        selectEdges()
+                    selectEdges()
-                        selectVertices((i*7).mod(4))
+                    selectVertices((i * 7).mod(4))
-                        for (v in vertices) {
+                    for (v in vertices) {
-                            for (j in 0 until 30) {
-                                v.rotate(45.0/30.0)
-                                yield(status)
-                            }
-                        }
-
-                        selectVertices((i*3).mod(4))
-                        for (v in vertices) {
-                            yield(status)
-
-                        }
-
-
-                        selectVertices()
-                        selectEdges(i.mod(4))
                         for (j in 0 until 30) {
-                            for (e in edges) {
+                            v.rotate(45.0 / 30.0)
-                                e.withTunniLine(e.tunniLine.position(0.5) + e.tunniLine.normal * cos(i.toDouble() + e.segmentIndex()) * 50.0/30.0)
+                            yield(status)
-                                yield(status)
+                        }
-                            }
+                    }
+
+                    selectVertices((i * 3).mod(4))
+                    for (v in vertices) {
+                        yield(status)
+
+                    }
+
+
+                    selectVertices()
+                    selectEdges(i.mod(4))
+                    for (j in 0 until 30) {
+                        for (e in edges) {
+                            e.withTunniLine(e.tunniLine.position(0.5) + e.tunniLine.normal * cos(i.toDouble() + e.segmentIndex()) * 50.0 / 30.0)
+                            yield(status)
                         }
                     }
                 }
             }
+        }
 
-            launch {
+        launch {
-                for (i in contourSeq) {
+            for (i in contourSeq) {
-                    res = i.contour
+                res = i.contour
-                    selectedPoints = i.selectedPoints
+                selectedPoints = i.selectedPoints
-                    selectedSegments = i.selectedSegments
+                selectedSegments = i.selectedSegments
-                    yield()
+                yield()
-                }
+            }
+        }
+
+
+        extend {
+            drawer.clear(ColorRGBa.WHITE)
+            drawer.stroke = ColorRGBa.BLACK
+            drawer.contour(res)
+
+            drawer.stroke = ColorRGBa.RED
+
+            for (s in res.segments) {
+                drawer.lineSegment(s.start, s.cubic.control[0])
+                drawer.lineSegment(s.end, s.cubic.control[1])
+            }
+            drawer.fill = ColorRGBa.BLACK
+            drawer.stroke = null
+            drawer.circles(res.segments.map { it.start }, 5.0)
+
+            drawer.stroke = ColorRGBa.GRAY
+            for (s in res.segments) {
+                drawer.lineSegment(s.tunniLine)
+                drawer.fill = ColorRGBa.CYAN
+                drawer.circle(s.tunniPoint, 5.0)
             }
 
-
+            drawer.stroke = ColorRGBa.MAGENTA
-            extend {
+            drawer.strokeWeight = 3.0
-                drawer.clear(ColorRGBa.WHITE)
+            for (s in selectedSegments) {
-                drawer.stroke = ColorRGBa.BLACK
+                drawer.segment(s)
-                drawer.contour(res)
+            }
-
+            for (p in selectedPoints) {
-                drawer.stroke = ColorRGBa.RED
+                drawer.circle(p, 5.0)
-
-                for (s in res.segments) {
-                    drawer.lineSegment(s.start, s.cubic.control[0])
-                    drawer.lineSegment(s.end, s.cubic.control[1])
-                }
-                drawer.fill = ColorRGBa.BLACK
-                drawer.stroke = null
-                drawer.circles(res.segments.map { it.start }, 5.0)
-
-                drawer.stroke = ColorRGBa.GRAY
-                for (s in res.segments) {
-                    drawer.lineSegment(s.tunniLine)
-                    drawer.fill = ColorRGBa.CYAN
-                    drawer.circle(s.tunniPoint, 5.0)
-                }
-
-                drawer.stroke = ColorRGBa.MAGENTA
-                drawer.strokeWeight = 3.0
-                for (s in selectedSegments) {
-                    drawer.segment(s)
-                }
-                for (p in selectedPoints) {
-                    drawer.circle(p, 5.0)
-                }
             }
         }
     }

orx-shapes/src/jvmDemo/kotlin/arrangement/DemoArrangement04.kt

@@ -12,33 +12,34 @@ import org.openrndr.shape.Circle
 import kotlin.math.sqrt
 import kotlin.random.Random
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        val circles = listOf(
-            val circles = listOf(
+            Circle(drawer.bounds.center - Vector2(50.0, 0.0), 50.0),
-                Circle(drawer.bounds.center -Vector2(50.0, 0.0), 50.0),
+            Circle(drawer.bounds.center + Vector2(50.0, 0.0), 50.0),
-                Circle(drawer.bounds.center + Vector2(50.0, 0.0),  50.0),
+            Circle(drawer.bounds.center + Vector2(0.0, 50.0), 50.0),
-                Circle(drawer.bounds.center + Vector2(0.0, 50.0),  50.0),
+            Circle(drawer.bounds.center - Vector2(0.0, 50.0), 50.0),
-                Circle(drawer.bounds.center - Vector2(0.0, 50.0),  50.0),
+            Circle(drawer.bounds.center - Vector2(50.0, 0.0), sqrt(50.0 * 50.0 + 50.0 * 50.0) - 49.9),
-                Circle(drawer.bounds.center -Vector2(50.0, 0.0), sqrt(50.0*50.0+50.0*50.0)-49.9),
+            Circle(drawer.bounds.center + Vector2(50.0, 0.0), sqrt(50.0 * 50.0 + 50.0 * 50.0) - 49.9),
-                Circle(drawer.bounds.center +Vector2(50.0, 0.0), sqrt(50.0*50.0+50.0*50.0)-49.9),
+            Circle(drawer.bounds.center - Vector2(0.0, 50.0), sqrt(50.0 * 50.0 + 50.0 * 50.0) - 49.9),
-                Circle(drawer.bounds.center -Vector2(0.0, 50.0), sqrt(50.0*50.0+50.0*50.0)-49.9),
+            Circle(drawer.bounds.center + Vector2(0.0, 50.0), sqrt(50.0 * 50.0 + 50.0 * 50.0) - 49.9),
-                Circle(drawer.bounds.center +Vector2(0.0, 50.0), sqrt(50.0*50.0+50.0*50.0)-49.9),
+        ).shuffled()
-            ).shuffled()
 
-            val  arr = Arrangement(circles)
+        val arr = Arrangement(circles)
 
-            extend {
+        extend {
-                val r = Random(100)
+            val r = Random(100)
-                drawer.stroke = ColorRGBa.WHITE
+            drawer.stroke = ColorRGBa.WHITE
-                for (f in arr.boundedFaces) {
+            for (f in arr.boundedFaces) {
-                    drawer.fill =
+                drawer.fill =
 
-                        rgb(Double.uniform(0.0, 1.0, r), Double.uniform(0.0, 1.0, r), Double.uniform(0.0, 1.0, r)).saturate<OKHSV>(0.25)
+                    rgb(
-                    drawer.contour(f.contour)
+                        Double.uniform(0.0, 1.0, r),
-                }
+                        Double.uniform(0.0, 1.0, r),
+                        Double.uniform(0.0, 1.0, r)
+                    ).saturate<OKHSV>(0.25)
+                drawer.contour(f.contour)
             }
-
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/bezierpatch/DemoBezierPatch01.kt

@@ -15,41 +15,39 @@ import org.openrndr.shape.ShapeContour
  * The created contours are horizontal and vertical in "bezier-patch space" but
  * are rendered deformed following the shape of the bezier patch.
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        // helper to get screen locations using normalized uv values
-            // helper to get screen locations using normalized uv values
+        fun pos(u: Double, v: Double) = drawer.bounds.position(u, v)
-            fun pos(u: Double, v: Double) = drawer.bounds.position(u, v)
+        val c0 = LineSegment(pos(0.1, 0.1), pos(0.9, 0.1))
-            val c0 = LineSegment(pos(0.1, 0.1), pos(0.9, 0.1))
+        val c1 = LineSegment(pos(0.4, 0.3), pos(0.6, 0.4))
-            val c1 = LineSegment(pos(0.4, 0.3), pos(0.6, 0.4))
+        val c2 = LineSegment(pos(0.4, 0.7), pos(0.6, 0.6))
-            val c2 = LineSegment(pos(0.4, 0.7), pos(0.6, 0.6))
+        val c3 = LineSegment(pos(0.1, 0.9), pos(0.9, 0.9))
-            val c3 = LineSegment(pos(0.1, 0.9), pos(0.9, 0.9))
 
-            val bp = bezierPatch(c0.segment, c1.segment, c2.segment, c3.segment)
+        val bp = bezierPatch(c0.segment, c1.segment, c2.segment, c3.segment)
-            val bpSub = bp.sub(0.1, 0.1, 0.6,0.6)
+        val bpSub = bp.sub(0.1, 0.1, 0.6, 0.6)
 
-            extend {
+        extend {
-                drawer.clear(ColorRGBa.PINK)
+            drawer.clear(ColorRGBa.PINK)
 
-                // Show the line segments that form the bezier patch
+            // Show the line segments that form the bezier patch
-                drawer.stroke = ColorRGBa.YELLOW
+            drawer.stroke = ColorRGBa.YELLOW
-                drawer.strokeWeight = 5.0
+            drawer.strokeWeight = 5.0
-                drawer.lineSegments(listOf(c0, c1, c2, c3))
+            drawer.lineSegments(listOf(c0, c1, c2, c3))
 
-                drawer.strokeWeight = 1.0
+            drawer.strokeWeight = 1.0
-                for (i in 0..50) {
+            for (i in 0..50) {
-                    drawer.stroke = ColorRGBa.BLACK
+                drawer.stroke = ColorRGBa.BLACK
-                    drawer.contour(bp.horizontal(i / 50.0))
+                drawer.contour(bp.horizontal(i / 50.0))
-                    drawer.contour(bp.vertical(i / 50.0))
+                drawer.contour(bp.vertical(i / 50.0))
 
-                    drawer.stroke = ColorRGBa.RED
+                drawer.stroke = ColorRGBa.RED
-                    drawer.contour(bpSub.horizontal(i / 50.0))
+                drawer.contour(bpSub.horizontal(i / 50.0))
-                    drawer.contour(bpSub.vertical(i / 50.0))
+                drawer.contour(bpSub.vertical(i / 50.0))
-                }
             }
         }
     }

orx-shapes/src/jvmDemo/kotlin/bezierpatch/DemoBezierPatch02.kt

@@ -15,24 +15,22 @@ import org.openrndr.shape.ShapeContour
  * but one can manually create any other 4-segment closed contour
  * to use in bezier patches.
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        val c = Circle(width / 2.0, height / 2.0, 350.0).contour
-            val c = Circle(width / 2.0, height / 2.0, 350.0).contour
+        val bp = bezierPatch(c)
-            val bp = bezierPatch(c)
 
-            extend {
+        extend {
-                drawer.clear(ColorRGBa.PINK)
+            drawer.clear(ColorRGBa.PINK)
-                drawer.stroke = ColorRGBa.BLACK
+            drawer.stroke = ColorRGBa.BLACK
 
-                for (i in 0..10) {
+            for (i in 0..10) {
-                    drawer.contour(bp.horizontal(i / 10.0))
+                drawer.contour(bp.horizontal(i / 10.0))
-                    drawer.contour(bp.vertical(i / 10.0))
+                drawer.contour(bp.vertical(i / 10.0))
-                }
             }
         }
     }

orx-shapes/src/jvmDemo/kotlin/bezierpatch/DemoBezierPatch03.kt

@@ -15,42 +15,40 @@ import org.openrndr.shape.ShapeContour
  * In this case the contours are regular stars and the bezier patch
  * is created using a circular contour with the required 4 segments.
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        val bp = bezierPatch(
-            val bp = bezierPatch(
+            Circle(width / 2.0, height / 2.0, 350.0).contour
-                Circle(width / 2.0, height / 2.0, 350.0).contour
+        )
-            )
+        val star = regularStarRounded(
-            val star = regularStarRounded(
+            7, 30.0, 40.0,
-                7, 30.0, 40.0,
+            0.5, 0.5
-                0.5, 0.5
+        )
-            )
 
-            extend {
+        extend {
-                drawer.clear(ColorRGBa.PINK)
+            drawer.clear(ColorRGBa.PINK)
 
-                // draw grid
+            // draw grid
-                for (i in 0..50) {
+            for (i in 0..50) {
-                    drawer.stroke = ColorRGBa.BLACK
+                drawer.stroke = ColorRGBa.BLACK
-                    drawer.contour(bp.horizontal(i / 50.0))
+                drawer.contour(bp.horizontal(i / 50.0))
-                    drawer.contour(bp.vertical(i / 50.0))
+                drawer.contour(bp.vertical(i / 50.0))
-                }
+            }
 
-                // draw stars
+            // draw stars
-                drawer.fill = ColorRGBa.PINK
+            drawer.fill = ColorRGBa.PINK
-                for (j in 1 until 10) {
+            for (j in 1 until 10) {
-                    for (i in 1 until 10) {
+                for (i in 1 until 10) {
-                        val starMoved = star.transform(
+                    val starMoved = star.transform(
-                            transform {
+                        transform {
-                                translate(j * width / 10.0, i * height / 10.0)
+                            translate(j * width / 10.0, i * height / 10.0)
-                            }
+                        }
-                        )
+                    )
-                        drawer.contour(bp.distort(starMoved, drawer.bounds))
+                    drawer.contour(bp.distort(starMoved, drawer.bounds))
-                    }
                 }
             }
         }

orx-shapes/src/jvmDemo/kotlin/bezierpatch/DemoBezierPatch04.kt

@@ -12,33 +12,31 @@ import org.openrndr.shape.Circle
  * You can think of bezierPatch.position() as requesting points
  * in a wavy flag (the bezier patch) using normalized uv coordinates.
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        val bp = bezierPatch(
-            val bp = bezierPatch(
+            Circle(drawer.bounds.center, 350.0).contour
-                Circle(drawer.bounds.center, 350.0).contour
+            //Rectangle.fromCenter(drawer.bounds.center, 550.0).contour
-                //Rectangle.fromCenter(drawer.bounds.center, 550.0).contour
+        )
-            )
 
-            extend {
+        extend {
-                drawer.clear(ColorRGBa.PINK)
+            drawer.clear(ColorRGBa.PINK)
-                drawer.stroke = ColorRGBa.BLACK
+            drawer.stroke = ColorRGBa.BLACK
 
-                for (j in 1 until 50 step 2) {
+            for (j in 1 until 50 step 2) {
-                    for (i in 1 until 50 step 2) {
+                for (i in 1 until 50 step 2) {
-                        val u = i / 50.0
+                    val u = i / 50.0
-                        val v = j / 50.0
+                    val v = j / 50.0
-                        val pos = bp.position(u, v)
+                    val pos = bp.position(u, v)
-                        val grad = bp.gradient(u, v).normalized * 10.0
+                    val grad = bp.gradient(u, v).normalized * 10.0
-                        val perpendicular = grad.perpendicular()
+                    val perpendicular = grad.perpendicular()
-                        drawer.lineSegment(pos - grad, pos + grad)
+                    drawer.lineSegment(pos - grad, pos + grad)
-                        drawer.lineSegment(pos - perpendicular, pos + perpendicular)
+                    drawer.lineSegment(pos - perpendicular, pos + perpendicular)
-                        //drawer.circle(pos + grad, 3.0)
+                    //drawer.circle(pos + grad, 3.0)
-                    }
                 }
             }
         }

orx-shapes/src/jvmDemo/kotlin/bezierpatch/DemoBezierPatch05.kt

@@ -3,8 +3,8 @@ package bezierpatch
 import org.openrndr.WindowMultisample
 import org.openrndr.application
 import org.openrndr.color.ColorRGBa
-import org.openrndr.extra.shapes.bezierpatches.bezierPatch
 import org.openrndr.extra.camera.Orbital
+import org.openrndr.extra.shapes.bezierpatches.bezierPatch
 import org.openrndr.math.Vector3
 import org.openrndr.shape.Segment3D
 
@@ -19,56 +19,54 @@ import org.openrndr.shape.Segment3D
  * The created contours are horizontal and vertical in "bezier-patch space" but
  * are rendered deformed following the shape of the bezier patch.
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+        multisample = WindowMultisample.SampleCount(8)
-            multisample = WindowMultisample.SampleCount(8)
+    }
+    program {
+        val c0 = Segment3D(Vector3(-5.0, 0.0, -9.0), Vector3(5.0, 0.0, -9.0))
+        val c1 = Segment3D(Vector3(-5.0, -5.0, -3.0), Vector3(5.0, -5.0, -3.0))
+        val c2 = Segment3D(Vector3(-5.0, 5.0, 3.0), Vector3(5.0, 5.0, 3.0))
+        val c3 = Segment3D(Vector3(-5.0, 0.0, 9.0), Vector3(5.0, 0.0, 9.0))
+
+        val col = listOf(ColorRGBa.PINK, ColorRGBa.RED, ColorRGBa.BLUE, ColorRGBa.PINK)
+        val cols = listOf(col, col, col, col)
+        val bp = bezierPatch(c0, c1, c2, c3).withColors(cols)
+        val bpSub = bp.sub(0.1, 0.1, 0.6, 0.6)
+
+        val cam = Orbital()
+        extend(cam) {
+            eye = Vector3(x = 9.9, y = 12.8, z = 6.9)
+            lookAt = Vector3(x = 1.6, y = -1.9, z = 1.2)
         }
-        program {
-            val c0 = Segment3D(Vector3(-5.0, 0.0, -9.0), Vector3(5.0, 0.0, -9.0))
-            val c1 = Segment3D(Vector3(-5.0, -5.0, -3.0), Vector3(5.0, -5.0, -3.0))
-            val c2 = Segment3D(Vector3(-5.0, 5.0, 3.0), Vector3(5.0, 5.0, 3.0))
-            val c3 = Segment3D(Vector3(-5.0, 0.0, 9.0), Vector3(5.0, 0.0, 9.0))
 
-            val col = listOf(ColorRGBa.PINK, ColorRGBa.RED, ColorRGBa.BLUE, ColorRGBa.PINK)
+        extend {
-            val cols = listOf(col, col, col, col)
+            drawer.clear(ColorRGBa.PINK)
-            val bp = bezierPatch(c0, c1, c2, c3).withColors(cols)
-            val bpSub = bp.sub(0.1, 0.1, 0.6, 0.6)
 
-            val cam = Orbital()
+            drawer.translate(-5.0, 0.0, 0.0)
-            extend(cam){
+            // Show the segments that form the bezier patch
-                eye = Vector3(x=9.9, y=12.8, z=6.9)
+            drawer.stroke = ColorRGBa.YELLOW
-                lookAt = Vector3(x=1.6, y=-1.9, z=1.2)
+            drawer.strokeWeight = 50.0
+            drawer.segments(listOf(c0, c1, c2, c3))
+
+            // Show the grid
+            drawer.strokeWeight = 1.0
+            val n = 10
+            for (i in 0..n) {
+                drawer.stroke = ColorRGBa.BLACK
+                drawer.lineStrip(bp.horizontal(i / n.toDouble()).adaptivePositions(0.01))
+                drawer.lineStrip(bp.vertical(i / n.toDouble()).adaptivePositions(0.01))
+
+                drawer.stroke = ColorRGBa.RED
+                drawer.lineStrip(bpSub.horizontal(i / n.toDouble()).adaptivePositions(0.01))
+                drawer.lineStrip(bpSub.vertical(i / n.toDouble()).adaptivePositions(0.01))
             }
 
-            extend {
+            // Draw the colored Bezier surface
-                drawer.clear(ColorRGBa.PINK)
+            drawer.translate(10.0, 0.0, 0.0)
-
+            drawer.bezierPatch(bp)
-                drawer.translate(-5.0, 0.0, 0.0)
-                // Show the segments that form the bezier patch
-                drawer.stroke = ColorRGBa.YELLOW
-                drawer.strokeWeight = 50.0
-                drawer.segments(listOf(c0, c1, c2, c3))
-
-                // Show the grid
-                drawer.strokeWeight = 1.0
-                val n = 10
-                for (i in 0..n) {
-                    drawer.stroke = ColorRGBa.BLACK
-                    drawer.lineStrip(bp.horizontal(i / n.toDouble()).adaptivePositions(0.01))
-                    drawer.lineStrip(bp.vertical(i / n.toDouble()).adaptivePositions(0.01))
-
-                    drawer.stroke = ColorRGBa.RED
-                    drawer.lineStrip(bpSub.horizontal(i / n.toDouble()).adaptivePositions(0.01))
-                    drawer.lineStrip(bpSub.vertical(i / n.toDouble()).adaptivePositions(0.01))
-                }
-
-                // Draw the colored Bezier surface
-                drawer.translate(10.0, 0.0, 0.0)
-                drawer.bezierPatch(bp)
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/bezierpatch/DemoBezierPatchDrawer01.kt

@@ -5,32 +5,30 @@ import org.openrndr.color.ColorRGBa
 import org.openrndr.extra.shapes.bezierpatches.bezierPatch
 import org.openrndr.shape.Circle
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        extend {
-            extend {
+            drawer.clear(ColorRGBa.PINK)
-                drawer.clear(ColorRGBa.PINK)
+            val bp = bezierPatch(
-                val bp = bezierPatch(
+                Circle(width / 2.0, height / 2.0, 200.0).contour
-                    Circle(width/2.0, height/2.0, 200.0).contour
+            ).withColors(
-                ).withColors(
+                listOf(
-                    listOf(
                     listOf(ColorRGBa.PINK, ColorRGBa.RED, ColorRGBa.BLACK, ColorRGBa.BLUE),
-                        listOf(ColorRGBa.RED, ColorRGBa.BLACK, ColorRGBa.BLUE, ColorRGBa.GREEN),
+                    listOf(ColorRGBa.RED, ColorRGBa.BLACK, ColorRGBa.BLUE, ColorRGBa.GREEN),
-                        listOf(ColorRGBa.PINK, ColorRGBa.RED, ColorRGBa.WHITE, ColorRGBa.GREEN),
+                    listOf(ColorRGBa.PINK, ColorRGBa.RED, ColorRGBa.WHITE, ColorRGBa.GREEN),
-                        listOf(ColorRGBa.BLACK, ColorRGBa.WHITE, ColorRGBa.BLACK, ColorRGBa.BLUE),
+                    listOf(ColorRGBa.BLACK, ColorRGBa.WHITE, ColorRGBa.BLACK, ColorRGBa.BLUE),
-                    )
                 )
+            )
 
-                drawer.bezierPatch(bp)
+            drawer.bezierPatch(bp)
 
-                drawer.fill = null
+            drawer.fill = null
-                drawer.contour(bp.contour)
+            drawer.contour(bp.contour)
-                for (i in 0 until 10) {
+            for (i in 0 until 10) {
-                    drawer.contour(bp.horizontal(i/9.0))
+                drawer.contour(bp.horizontal(i / 9.0))
-                }
+            }
-                for (i in 0 until 10) {
+            for (i in 0 until 10) {
-                    drawer.contour(bp.vertical(i/9.0))
+                drawer.contour(bp.vertical(i / 9.0))
-                }
             }
         }
     }

orx-shapes/src/jvmDemo/kotlin/bezierpatch/DemoBezierPatchDrawer02.kt

@@ -7,43 +7,61 @@ import org.openrndr.extra.color.spaces.toOKLABa
 import org.openrndr.extra.shapes.bezierpatches.bezierPatch
 import org.openrndr.shape.Circle
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            drawer.clear(ColorRGBa.BLACK)
-                drawer.clear(ColorRGBa.BLACK)
+            val bp2 = bezierPatch(
-                val bp2 = bezierPatch(
+                Circle(width / 2.0 - 180.0, height / 2.0, 170.0).contour
-                    Circle(width/2.0 - 180.0, height/2.0, 170.0).contour
+            ).withColors(
-                ).withColors(
+                listOf(
-                    listOf(
                     listOf(ColorRGBa.PINK, ColorRGBa.PINK, ColorRGBa.PINK, ColorRGBa.PINK),
-                        listOf(ColorRGBa.RED, ColorRGBa.RED, ColorRGBa.RED, ColorRGBa.RED),
+                    listOf(ColorRGBa.RED, ColorRGBa.RED, ColorRGBa.RED, ColorRGBa.RED),
-                        listOf(ColorRGBa.BLUE, ColorRGBa.BLUE, ColorRGBa.BLUE, ColorRGBa.BLUE),
+                    listOf(ColorRGBa.BLUE, ColorRGBa.BLUE, ColorRGBa.BLUE, ColorRGBa.BLUE),
-                        listOf(ColorRGBa.WHITE, ColorRGBa.WHITE, ColorRGBa.WHITE, ColorRGBa.WHITE),
+                    listOf(ColorRGBa.WHITE, ColorRGBa.WHITE, ColorRGBa.WHITE, ColorRGBa.WHITE),
-                    )
                 )
-                drawer.bezierPatch(bp2)
+            )
-                val bp3 = bezierPatch(
+            drawer.bezierPatch(bp2)
-                    Circle(width/2.0 + 180.0, height/2.0, 170.0).contour
+            val bp3 = bezierPatch(
-                ).withColors(
+                Circle(width / 2.0 + 180.0, height / 2.0, 170.0).contour
+            ).withColors(
+                listOf(
                     listOf(
-                        listOf(ColorRGBa.PINK.toOKLABa(), ColorRGBa.PINK.toOKLABa(), ColorRGBa.PINK.toOKLABa(), ColorRGBa.PINK.toOKLABa()),
+                        ColorRGBa.PINK.toOKLABa(),
-                        listOf(ColorRGBa.RED.toOKLABa(), ColorRGBa.RED.toOKLABa(), ColorRGBa.RED.toOKLABa(), ColorRGBa.RED.toOKLABa()),
+                        ColorRGBa.PINK.toOKLABa(),
-                        listOf(ColorRGBa.BLUE.toOKLABa(), ColorRGBa.BLUE.toOKLABa(), ColorRGBa.BLUE.toOKLABa(), ColorRGBa.BLUE.toOKLABa()),
+                        ColorRGBa.PINK.toOKLABa(),
-                        listOf(ColorRGBa.WHITE.toOKLABa(), ColorRGBa.WHITE.toOKLABa(), ColorRGBa.WHITE.toOKLABa(), ColorRGBa.WHITE.toOKLABa()),
+                        ColorRGBa.PINK.toOKLABa()
-                    )
+                    ),
+                    listOf(
+                        ColorRGBa.RED.toOKLABa(),
+                        ColorRGBa.RED.toOKLABa(),
+                        ColorRGBa.RED.toOKLABa(),
+                        ColorRGBa.RED.toOKLABa()
+                    ),
+                    listOf(
+                        ColorRGBa.BLUE.toOKLABa(),
+                        ColorRGBa.BLUE.toOKLABa(),
+                        ColorRGBa.BLUE.toOKLABa(),
+                        ColorRGBa.BLUE.toOKLABa()
+                    ),
+                    listOf(
+                        ColorRGBa.WHITE.toOKLABa(),
+                        ColorRGBa.WHITE.toOKLABa(),
+                        ColorRGBa.WHITE.toOKLABa(),
+                        ColorRGBa.WHITE.toOKLABa()
+                    ),
                 )
-                drawer.bezierPatch(bp3)
+            )
+            drawer.bezierPatch(bp3)
 
-                drawer.fill = ColorRGBa.WHITE
+            drawer.fill = ColorRGBa.WHITE
-                drawer.fontMap = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 16.0)
+            drawer.fontMap = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 16.0)
-                drawer.text("RGB", width/2.0 - 180.0, height/2.0 + 200.0)
+            drawer.text("RGB", width / 2.0 - 180.0, height / 2.0 + 200.0)
-                drawer.text("OKLab", width/2.0 + 180.0, height/2.0 + 200.0)
+            drawer.text("OKLab", width / 2.0 + 180.0, height / 2.0 + 200.0)
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/bezierpatch/DemoBezierPatchDrawer03.kt

@@ -13,46 +13,64 @@ import org.openrndr.shape.Circle
 import org.openrndr.shape.Rectangle
 import kotlin.math.min
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            drawer.clear(ColorRGBa.BLACK)
-                drawer.clear(ColorRGBa.BLACK)
+            val colors = listOf(
-                val colors = listOf(
+                listOf(
-                    listOf(ColorRGBa.PINK.toOKLABa(), ColorRGBa.PINK.toOKLABa(), ColorRGBa.PINK.toOKLABa(), ColorRGBa.PINK.toOKLABa()),
+                    ColorRGBa.PINK.toOKLABa(),
-                    listOf(ColorRGBa.RED.toOKLABa(), ColorRGBa.RED.toOKLABa(), ColorRGBa.RED.toOKLABa(), ColorRGBa.RED.toOKLABa()),
+                    ColorRGBa.PINK.toOKLABa(),
-                    listOf(ColorRGBa.BLUE.toOKLABa(), ColorRGBa.BLUE.toOKLABa(), ColorRGBa.BLUE.toOKLABa(), ColorRGBa.BLUE.toOKLABa()),
+                    ColorRGBa.PINK.toOKLABa(),
-                    listOf(ColorRGBa.WHITE.toOKLABa(), ColorRGBa.WHITE.toOKLABa(), ColorRGBa.WHITE.toOKLABa(), ColorRGBa.WHITE.toOKLABa()),
+                    ColorRGBa.PINK.toOKLABa()
+                ),
+                listOf(
+                    ColorRGBa.RED.toOKLABa(),
+                    ColorRGBa.RED.toOKLABa(),
+                    ColorRGBa.RED.toOKLABa(),
+                    ColorRGBa.RED.toOKLABa()
+                ),
+                listOf(
+                    ColorRGBa.BLUE.toOKLABa(),
+                    ColorRGBa.BLUE.toOKLABa(),
+                    ColorRGBa.BLUE.toOKLABa(),
+                    ColorRGBa.BLUE.toOKLABa()
+                ),
+                listOf(
+                    ColorRGBa.WHITE.toOKLABa(),
+                    ColorRGBa.WHITE.toOKLABa(),
+                    ColorRGBa.WHITE.toOKLABa(),
+                    ColorRGBa.WHITE.toOKLABa()
+                ),
+            )
+
+            val grid = drawer.bounds.grid(4, 4, marginX = 20.0, marginY = 20.0, gutterX = 10.0, gutterY = 10.0)
+
+            val cellWidth = grid[0][0].width
+            val cellHeight = grid[0][0].height
+
+            val a = bezierPatch(Rectangle.fromCenter(Vector2(0.0, 0.0), cellWidth, cellHeight).contour)
+                .withColors(colors)
+
+            val b = bezierPatch(
+                Circle(0.0, 0.0, min(cellWidth, cellHeight) / 2.0).contour.transform(
+                    buildTransform {
+                        rotate(Vector3.UNIT_Z, 45.0)
+                    }
                 )
+            ).withColors(colors)
 
-                val grid = drawer.bounds.grid(4,4, marginX = 20.0, marginY = 20.0, gutterX = 10.0, gutterY = 10.0)
+            for (y in grid.indices) {
-
+                for (x in grid[y].indices) {
-                val cellWidth = grid[0][0].width
+                    val f = (y * grid[y].size + x).toDouble() / (grid.size * grid[y].size - 1.0)
-                val cellHeight = grid[0][0].height
+                    val blend = a * (1.0 - f) + b * f
-
+                    drawer.isolated {
-                val a = bezierPatch(Rectangle.fromCenter(Vector2(0.0, 0.0), cellWidth, cellHeight).contour)
+                        drawer.translate(grid[y][x].center)
-                    .withColors(colors)
+                        drawer.bezierPatch(blend)
-
-                val b = bezierPatch(
-                    Circle(0.0, 0.0, min(cellWidth, cellHeight) / 2.0).contour.transform(
-                        buildTransform {
-                            rotate(Vector3.UNIT_Z, 45.0)
-                        }
-                    )
-                ).withColors(colors)
-
-                for (y in grid.indices) {
-                    for (x in grid[y].indices) {
-                        val f = (y * grid[y].size + x).toDouble() / (grid.size * grid[y].size - 1.0)
-                        val blend = a * (1.0 - f) + b * f
-                        drawer.isolated {
-                            drawer.translate(grid[y][x].center)
-                            drawer.bezierPatch(blend)
-                        }
                     }
                 }
             }

orx-shapes/src/jvmDemo/kotlin/bezierpatch/DemoBezierPatches01.kt

@@ -15,23 +15,21 @@ import org.openrndr.shape.ShapeContour
  * but one can manually create any other 4-segment closed contour
  * to use in bezier patches.
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        val c0 = Circle(width / 3.0, height / 2.0, 150.0).contour
-            val c0 = Circle(width / 3.0, height / 2.0, 150.0).contour
+        val bp0 = bezierPatch(c0)
-            val bp0 = bezierPatch(c0)
 
-            val c1 = Circle(2.0*width / 3.0, height / 2.0, 150.0).contour
+        val c1 = Circle(2.0 * width / 3.0, height / 2.0, 150.0).contour
-            val bp1 = bezierPatch(c1)
+        val bp1 = bezierPatch(c1)
 
 
-            extend {
+        extend {
-                drawer.bezierPatches(listOf(bp0, bp1))
+            drawer.bezierPatches(listOf(bp0, bp1))
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/blend/DemoContourBlend01.kt

@@ -10,26 +10,23 @@ import org.openrndr.shape.Circle
 import kotlin.math.PI
 import kotlin.math.cos
 
-
 /**
  * Demonstration of uniform contour blending
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        val a = Circle(Vector2.ZERO, 90.0).contour
-            val a = Circle(Vector2.ZERO, 90.0).contour
+        val b = regularStar(5, 30.0, 90.0, center = Vector2.ZERO, phase = 180.0)
-            val b = regularStar(5, 30.0, 90.0, center = Vector2.ZERO, phase = 180.0)
+        val blend = a.blend(b)
-            val blend = a.blend(b)
+        extend {
-            extend {
+            drawer.bounds.grid(3, 3).flatten().forEachIndexed { index, it ->
-                drawer.bounds.grid(3, 3).flatten().forEachIndexed { index, it ->
+                drawer.isolated {
-                    drawer.isolated {
+                    drawer.translate(it.center)
-                        drawer.translate(it.center)
+                    drawer.contour(blend.mix(cos(index * PI * 2.0 / 9.0 + seconds) * 0.5 + 0.5))
-                        drawer.contour(blend.mix(cos(index * PI * 2.0 / 9.0 + seconds) * 0.5 + 0.5))
-                    }
                 }
             }
         }

orx-shapes/src/jvmDemo/kotlin/blend/DemoContourBlend02.kt

@@ -14,24 +14,22 @@ import kotlin.math.cos
 /**
  * Demonstration of non-uniform contour blending
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        val a = Circle(Vector2.ZERO, 90.0).contour
-            val a = Circle(Vector2.ZERO, 90.0).contour
+        val b = regularStar(5, 30.0, 90.0, center = Vector2.ZERO, phase = 180.0)
-            val b = regularStar(5, 30.0, 90.0, center = Vector2.ZERO, phase = 180.0)
+        val blend = a.blend(b)
-            val blend = a.blend(b)
+        extend {
-            extend {
+            drawer.clear(ColorRGBa.WHITE)
-                drawer.clear(ColorRGBa.WHITE)
+            drawer.fill = ColorRGBa.BLACK
-                drawer.fill = ColorRGBa.BLACK
+            drawer.bounds.grid(3, 3).flatten().forEachIndexed { index, it ->
-                drawer.bounds.grid(3, 3).flatten().forEachIndexed { index, it ->
+                drawer.isolated {
-                    drawer.isolated {
+                    drawer.translate(it.center)
-                        drawer.translate(it.center)
+                    drawer.contour(blend.mix { t -> cos(t * PI * 2.0 + index * PI * 2.0 / 9.0 + seconds) * 0.5 + 0.5 })
-                        drawer.contour(blend.mix { t -> cos(t * PI * 2.0 + index * PI * 2.0 / 9.0 + seconds) * 0.5 + 0.5 })
-                    }
                 }
             }
         }

orx-shapes/src/jvmDemo/kotlin/frames/DemoFrames01.kt

@@ -15,52 +15,49 @@ import org.openrndr.math.Vector3
 import org.openrndr.shape.path3D
 import kotlin.random.Random
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+        multisample = WindowMultisample.SampleCount(4)
-            multisample = WindowMultisample.SampleCount(4)
+    }
-        }
+    program {
-        program {
+        val random = Random(0)
-            val random = Random(0)
+        val cylinder = cylinderMesh(radius = 0.5, length = 0.1)
-            val cylinder = cylinderMesh(radius = 0.5, length = 0.1)
+        val p = path3D {
-            val p = path3D {
+            moveTo(0.0, 0.0, 0.0)
-                moveTo(0.0, 0.0, 0.0)
+            curveTo(
-                curveTo(
+                Vector3.uniformRing(0.1, 1.0, random = random) * 10.0,
-                    Vector3.uniformRing(0.1, 1.0, random = random)*10.0,
+                Vector3.uniformRing(0.1, 1.0, random = random) * 10.0,
-                    Vector3.uniformRing(0.1, 1.0, random = random)*10.0,
+                Vector3.uniformRing(0.1, 1.0, random = random) * 10.0
-                    Vector3.uniformRing(0.1, 1.0, random = random)*10.0
+            )
+            for (i in 0 until 10) {
+                continueTo(
+                    Vector3.uniformRing(0.1, 1.0, random = random) * 10.0,
+                    Vector3.uniformRing(0.1, 1.0, random = random) * 10.0
                 )
-                for (i in 0 until 10) {
-                    continueTo(
-                        Vector3.uniformRing(0.1, 1.0, random = random)*10.0,
-                        Vector3.uniformRing(0.1, 1.0, random = random)*10.0
-                    )
-                }
             }
-            val pr = p.rectified(0.01, 100.0)
+        }
+        val pr = p.rectified(0.01, 100.0)
 
 
-            val frames = pr.frames((0 until 100).map { it / 100.0}, Vector3.UNIT_Y, analyticalDirections = false)
+        val frames = pr.frames((0 until 100).map { it / 100.0 }, Vector3.UNIT_Y, analyticalDirections = false)
-            extend(Orbital())
+        extend(Orbital())
-            extend {
+        extend {
-                drawer.shadeStyle = shadeStyle {
+            drawer.shadeStyle = shadeStyle {
-                    fragmentTransform = """
+                fragmentTransform = """
                         x_fill.rgb = vec3(abs(v_viewNormal.z)*0.9+ 0.1);
                     """.trimIndent()
+            }
+
+            drawer.stroke = ColorRGBa.PINK
+            drawer.path(p)
+
+            for (frame in frames) {
+                drawer.isolated {
+                    drawer.model = frame
+                    drawer.vertexBuffer(cylinder, DrawPrimitive.TRIANGLES)
                 }
-
-                drawer.stroke = ColorRGBa.PINK
-                drawer.path(p)
-
-                for (frame in frames) {
-                    drawer.isolated {
-                        drawer.model = frame
-                        drawer.vertexBuffer(cylinder, DrawPrimitive.TRIANGLES)
-                    }
-                }
-
             }
         }
     }

orx-shapes/src/jvmDemo/kotlin/ordering/DemoHilbertOrder01.kt

@@ -6,20 +6,18 @@ import org.openrndr.extra.noise.uniform
 import org.openrndr.extra.shapes.ordering.hilbertOrder
 import kotlin.random.Random
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        val points = drawer.bounds.offsetEdges(-20.0).uniform(40, Random(0))
-            val points = drawer.bounds.offsetEdges(-20.0).uniform(40, Random(0))
+        val sortedPoints = points.hilbertOrder(bits = 16, scale = 1.0)
-            val sortedPoints = points.hilbertOrder(bits = 16, scale = 1.0)
+        extend {
-            extend {
+            drawer.clear(ColorRGBa.PINK)
-                drawer.clear(ColorRGBa.PINK)
+            drawer.stroke = ColorRGBa.RED
-                drawer.stroke = ColorRGBa.RED
+            drawer.lineStrip(sortedPoints)
-                drawer.lineStrip(sortedPoints)
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/ordering/DemoHilbertOrder02.kt

@@ -4,26 +4,23 @@ import org.openrndr.application
 import org.openrndr.color.ColorRGBa
 import org.openrndr.extra.noise.uniform
 import org.openrndr.extra.shapes.ordering.hilbertOrder
-import org.openrndr.extra.shapes.ordering.mortonOrder
 import kotlin.random.Random
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        val points = drawer.bounds.offsetEdges(-20.0).uniform(400, Random(0))
-            val points = drawer.bounds.offsetEdges(-20.0).uniform(400, Random(0))
+        val sortedPoints0 = points.hilbertOrder(bits = 16, scale = 1.0)
-            val sortedPoints0 = points.hilbertOrder(bits = 16, scale = 1.0)
+        val sortedPoints1 = points.map { it.xy0 }.hilbertOrder(bits = 10, scale = 1.0).map { it.xy }
-            val sortedPoints1  = points.map { it.xy0 }.hilbertOrder(bits = 10, scale = 1.0).map { it.xy }
+        extend {
-            extend {
+            drawer.clear(ColorRGBa.PINK)
-                drawer.clear(ColorRGBa.PINK)
+            drawer.stroke = ColorRGBa.RED
-                drawer.stroke = ColorRGBa.RED
+            drawer.lineStrip(sortedPoints0)
-                drawer.lineStrip(sortedPoints0)
+            drawer.stroke = ColorRGBa.BLUE
-                drawer.stroke = ColorRGBa.BLUE
+            drawer.lineStrip(sortedPoints1)
-                drawer.lineStrip(sortedPoints1)
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/path3d/DemoPath3DProjection.kt

@@ -4,38 +4,31 @@ import org.openrndr.application
 import org.openrndr.color.ColorRGBa
 import org.openrndr.draw.LineJoin
 import org.openrndr.extra.camera.Orbital
-import org.openrndr.extra.noise.uniformRing
 import org.openrndr.extra.shapes.path3d.projectToContour
+import org.openrndr.math.Spherical
 import org.openrndr.math.Vector3
 import org.openrndr.shape.path3D
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        configure {
+        val path = path3D {
-            width = 720
+            var p = Vector3(6.0, 0.0, 0.0)
-            height = 720
+            moveTo(p)
+            for (i in 0 until 100) {
+                p = Spherical((i % 6) * 45.0, (i % 4 + 1) * 30.0 + i * 0.1, 6.0).cartesian
+                arcTo(5.0, cursor.atan2(p), false, false, p)
+            }
         }
-        program {
+        extend(Orbital())
-            val path = path3D {
+        extend {
-                var p = Vector3(1.0, 0.0, 0.0)
+            drawer.stroke = ColorRGBa.PINK
-                moveTo(p * 6.0)
+            drawer.path(path)
-                for (i in 0 until 400) {
+            val c = path.projectToContour(drawer.projection, drawer.view, width, height)
-                    p += Vector3.uniformRing(0.2, 0.5)
+            drawer.defaults()
-                    p = p.normalized
+            drawer.stroke = ColorRGBa.WHITE
-                    arcTo(5.0, cursor.atan2(p * 6.0), false, false, p * 6.0)
+            drawer.lineJoin = LineJoin.ROUND
-                }
+            drawer.strokeWeight = 2.0
-            }
+            drawer.contour(c)
-            extend(Orbital())
-            extend {
-                drawer.stroke = ColorRGBa.PINK
-                drawer.path(path)
-                val c = path.projectToContour(drawer.projection, drawer.view, width, height)
-                drawer.defaults()
-                drawer.stroke = ColorRGBa.WHITE
-                drawer.lineJoin = LineJoin.ROUND
-                drawer.strokeWeight = 2.0
-                drawer.contour(c)
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/primitives/DemoArc01.kt

@@ -4,21 +4,19 @@ import org.openrndr.application
 import org.openrndr.color.ColorRGBa
 import org.openrndr.extra.shapes.primitives.Arc
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            val a = Arc(drawer.bounds.center, 100.0, 0.0 + seconds * 36.0, -180.0 + seconds * 36.0)
-                val a = Arc(drawer.bounds.center, 100.0, 0.0 + seconds * 36.0, -180.0 + seconds * 36.0)
+            drawer.clear(ColorRGBa.PINK)
-                drawer.clear(ColorRGBa.PINK)
+            drawer.contour(a.contour)
-                drawer.contour(a.contour)
+            drawer.circle(a.position(0.0), 5.0)
-                drawer.circle(a.position(0.0), 5.0)
+            drawer.circle(a.position(0.5), 5.0)
-                drawer.circle(a.position(0.5), 5.0)
+            drawer.circle(a.position(1.0), 5.0)
-                drawer.circle(a.position(1.0), 5.0)
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/primitives/DemoNet01.kt

@@ -6,29 +6,27 @@ import org.openrndr.extra.shapes.primitives.Net
 import org.openrndr.shape.Circle
 import kotlin.math.sin
 
-fun main() {
+fun main() = application {
-    application {
+    program {
-        program {
+        extend {
-            extend {
+            drawer.clear(ColorRGBa.BLACK)
-                drawer.clear(ColorRGBa.BLACK)
+            drawer.stroke = ColorRGBa.WHITE
-                drawer.stroke = ColorRGBa.WHITE
+            drawer.fill = ColorRGBa.PINK
-                drawer.fill = ColorRGBa.PINK
+            val a = drawer.bounds.position(0.7, 0.5)
-                val a = drawer.bounds.position(0.7, 0.5)
+            val b = drawer.bounds.position(0.3, 0.5)
-                val b = drawer.bounds.position(0.3, 0.5)
+            val c = Circle(
-                val c = Circle(
+                drawer.bounds.position(
-                    drawer.bounds.position(
+                    sin(seconds) * 0.35 + 0.5,
-                        sin(seconds) * 0.35 + 0.5,
+                    sin(seconds * 2) * 0.25 + 0.5
-                        sin(seconds * 2) * 0.25 + 0.5
+                ), 50.0
-                    ), 50.0
+            )
-                )
+            val net = Net(a, b, c)
-                val net = Net(a, b, c)
+            drawer.circle(a, 10.0)
-                drawer.circle(a, 10.0)
+            drawer.circle(b, 10.0)
-                drawer.circle(b, 10.0)
+            drawer.circle(c)
-                drawer.circle(c)
 
-                drawer.strokeWeight = 2.0
+            drawer.strokeWeight = 2.0
-                drawer.contour(net.contour)
+            drawer.contour(net.contour)
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/primitives/DemoPulley01.kt

@@ -6,23 +6,21 @@ import org.openrndr.extra.shapes.primitives.Pulley
 import org.openrndr.math.Vector2
 import org.openrndr.shape.Circle
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            drawer.clear(ColorRGBa.BLACK)
-                drawer.clear(ColorRGBa.BLACK)
+            drawer.stroke = ColorRGBa.WHITE
-                drawer.stroke = ColorRGBa.WHITE
+            drawer.fill = ColorRGBa.PINK
-                drawer.fill = ColorRGBa.PINK
+            val pulley = Pulley(
-                val pulley = Pulley(
+                Circle(drawer.bounds.center - Vector2(100.0, 100.0), 150.0),
-                    Circle(drawer.bounds.center - Vector2(100.0, 100.0), 150.0),
+                Circle(drawer.bounds.center + Vector2(150.0, 150.0), 75.0)
-                    Circle(drawer.bounds.center + Vector2(150.0, 150.0), 75.0)
+            )
-                )
+            drawer.contour(pulley.contour)
-                drawer.contour(pulley.contour)
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/primitives/DemoRectangleGrid01.kt

@@ -4,24 +4,22 @@ import org.openrndr.application
 import org.openrndr.color.ColorRGBa
 import org.openrndr.extra.shapes.primitives.grid
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 800
-            height = 800
+    }
-        }
+    program {
-        program {
+        extend {
-            extend {
+            drawer.fill = ColorRGBa.WHITE.opacify(0.25)
-                drawer.fill = ColorRGBa.WHITE.opacify(0.25)
+            drawer.stroke = ColorRGBa.PINK
-                drawer.stroke = ColorRGBa.PINK
 
-                // Notice the negative gutter in this grid. It creates an
+            // Notice the negative gutter in this grid. It creates an
-                // overlap between the resulting rectangles.
+            // overlap between the resulting rectangles.
-                val grid = drawer.bounds.grid(8, 4, 20.0, 20.0, -20.0, -20.0)
+            val grid = drawer.bounds.grid(8, 4, 20.0, 20.0, -20.0, -20.0)
-                for (cell in grid.flatten()) {
+            for (cell in grid.flatten()) {
-                    drawer.rectangle(cell)
+                drawer.rectangle(cell)
-                    drawer.lineSegment(cell.position(0.0, 0.0), cell.position(1.0, 1.0))
+                drawer.lineSegment(cell.position(0.0, 0.0), cell.position(1.0, 1.0))
-                }
             }
         }
     }

orx-shapes/src/jvmDemo/kotlin/primitives/DemoRectangleGrid02.kt

@@ -5,35 +5,35 @@ import org.openrndr.color.ColorRGBa
 import org.openrndr.extra.noise.Random
 import org.openrndr.extra.shapes.primitives.grid
 
-fun main() {
+fun main() = application {
-    application {
+    // Try changing the resolution. The design will use the available space.
-        // Try changing the resolution. The design will use the available space.
+    configure {
-        configure {
+        width = 800
-            width = 800
+        height = 400
-            height = 400
+    }
-        }
+    program {
-        program {
+        // By specifying the cell size we make sure the design will
-            // By specifying the cell size we make sure the design will
+        // contain squares, independently of the window size and its
-            // contain squares, independently of the window size and its
+        // aspect ratio.
-            // aspect ratio.
+        val grid = drawer.bounds.grid(
-            val grid = drawer.bounds.grid(50.0, 50.0,
+            50.0, 50.0,
-                20.0, 20.0, 20.0, 20.0).flatten()
+            20.0, 20.0, 20.0, 20.0
+        ).flatten()
 
-            val grid2 = grid.map { rect ->
+        val grid2 = grid.map { rect ->
-                // Each of these inner grids will occupy the available space
+            // Each of these inner grids will occupy the available space
-                // in the parent grid cells. Notice how we don't specify cell
+            // in the parent grid cells. Notice how we don't specify cell
-                // sizes here but counts instead (between 1 and 3 columns and
+            // sizes here but counts instead (between 1 and 3 columns and
-                // rows)
+            // rows)
-                val count = Random.int(1, 4)
+            val count = Random.int(1, 4)
-                rect.grid(count, count, 5.0, 5.0, 5.0, 5.0).flatten()
+            rect.grid(count, count, 5.0, 5.0, 5.0, 5.0).flatten()
-            }.flatten().filter { Random.bool(0.5)}
+        }.flatten().filter { Random.bool(0.5) }
 
-            extend {
+        extend {
-                drawer.clear(ColorRGBa.PINK)
+            drawer.clear(ColorRGBa.PINK)
-                drawer.rectangles(grid)
+            drawer.rectangles(grid)
-                drawer.fill = ColorRGBa.BLACK
+            drawer.fill = ColorRGBa.BLACK
-                drawer.rectangles(grid2)
+            drawer.rectangles(grid2)
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/primitives/DemoRectangleIntersection01.kt

@@ -8,33 +8,31 @@ import org.openrndr.extra.shapes.primitives.intersection
  * Demonstrate rectangle-rectangle intersection
  * @see <img src="https://raw.githubusercontent.com/openrndr/orx/media/orx-shapes/images/primitives-DemoRectangleIntersection01Kt.png">
  */
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        val h = drawer.bounds.offsetEdges(-100.0, -10.0)
-            val h = drawer.bounds.offsetEdges(-100.0, -10.0)
+        val v = drawer.bounds.offsetEdges(-10.0, -100.0)
-            val v = drawer.bounds.offsetEdges(-10.0, -100.0)
 
-            extend {
+        extend {
-                drawer.clear(ColorRGBa.WHITE)
+            drawer.clear(ColorRGBa.WHITE)
 
-                /**
+            /**
-                 * Find intersection
+             * Find intersection
-                 */
+             */
-                val i = h.intersection(v)
+            val i = h.intersection(v)
-                drawer.fill = ColorRGBa.RED
+            drawer.fill = ColorRGBa.RED
-                drawer.rectangle(h)
+            drawer.rectangle(h)
 
-                drawer.fill = ColorRGBa.BLUE
+            drawer.fill = ColorRGBa.BLUE
-                drawer.rectangle(v)
+            drawer.rectangle(v)
 
-                drawer.fill = ColorRGBa.BLACK
+            drawer.fill = ColorRGBa.BLACK
-                drawer.stroke = ColorRGBa.WHITE
+            drawer.stroke = ColorRGBa.WHITE
-                drawer.rectangle(i)
+            drawer.rectangle(i)
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/primitives/DemoTear01.kt

@@ -8,24 +8,22 @@ import org.openrndr.math.Vector2
 import org.openrndr.shape.Circle
 import kotlin.random.Random
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
+    program {
+        val points = drawer.bounds.scatter(40.0, distanceToEdge = 150.0, random = Random(0))
+        val tears = points.map {
+            Tear(it - Vector2(0.0, 20.0), Circle(it + Vector2(0.0, 20.0), 20.0))
         }
-        program {
-            val points = drawer.bounds.scatter(40.0, distanceToEdge = 150.0, random = Random(0))
-            val tears = points.map {
-                Tear(it - Vector2(0.0, 20.0), Circle(it + Vector2(0.0, 20.0), 20.0))
-            }
 
-            extend {
+        extend {
-                drawer.clear(ColorRGBa.BLACK)
+            drawer.clear(ColorRGBa.BLACK)
-                drawer.fill = ColorRGBa.PINK
+            drawer.fill = ColorRGBa.PINK
-                drawer.stroke = ColorRGBa.WHITE
+            drawer.stroke = ColorRGBa.WHITE
-                drawer.contours(tears.map { it.contour })
+            drawer.contours(tears.map { it.contour })
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/rectify/DemoRectifiedContour01.kt

@@ -7,26 +7,24 @@ import org.openrndr.extra.shapes.hobbycurve.hobbyCurve
 import org.openrndr.extra.shapes.rectify.rectified
 import kotlin.random.Random
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        val points = drawer.bounds.scatter(50.0, distanceToEdge = 100.0, random = Random(0))
-            val points = drawer.bounds.scatter(50.0, distanceToEdge = 100.0, random = Random(0))
+        val curve = hobbyCurve(points)
-            val curve = hobbyCurve(points)
+        val rectified = curve.rectified()
-            val rectified = curve.rectified()
+        extend {
-            extend {
+            drawer.clear(ColorRGBa.BLACK)
-                drawer.clear(ColorRGBa.BLACK)
+            drawer.stroke = ColorRGBa.PINK
-                drawer.stroke = ColorRGBa.PINK
+            drawer.contour(curve)
-                drawer.contour(curve)
+            drawer.fill = ColorRGBa.RED
-                drawer.fill = ColorRGBa.RED
+            drawer.circle(curve.position(seconds * 0.05), 10.0)
-                drawer.circle(curve.position(seconds*0.05), 10.0)
+            drawer.fill = ColorRGBa.GREEN
-                drawer.fill = ColorRGBa.GREEN
+            drawer.circle(rectified.position(seconds * 0.05), 10.0)
-                drawer.circle(rectified.position(seconds*0.05), 10.0)
 
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/rectify/DemoRectifiedContour02.kt

@@ -7,29 +7,27 @@ import org.openrndr.extra.shapes.hobbycurve.hobbyCurve
 import org.openrndr.extra.shapes.rectify.rectified
 import kotlin.random.Random
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        val points = drawer.bounds.scatter(80.0, distanceToEdge = 100.0, random = Random(0))
-            val points = drawer.bounds.scatter(80.0, distanceToEdge = 100.0, random = Random(0))
+        val curve = hobbyCurve(points, closed = true)
-            val curve = hobbyCurve(points, closed = true)
+        val rectified = curve.rectified()
-            val rectified = curve.rectified()
+        extend {
-            extend {
+            drawer.clear(ColorRGBa.BLACK)
-                drawer.clear(ColorRGBa.BLACK)
+            drawer.fill = null
-                drawer.fill = null
+            drawer.stroke = ColorRGBa.GRAY
-                drawer.stroke = ColorRGBa.GRAY
+            drawer.contour(curve)
-                drawer.contour(curve)
+            drawer.strokeWeight = 4.0
-                drawer.strokeWeight = 4.0
 
-                drawer.stroke = ColorRGBa.RED
+            drawer.stroke = ColorRGBa.RED
-                drawer.contour(curve.sub(seconds*0.1, seconds*0.1+0.01))
+            drawer.contour(curve.sub(seconds * 0.1, seconds * 0.1 + 0.01))
 
-                drawer.stroke = ColorRGBa.GREEN
+            drawer.stroke = ColorRGBa.GREEN
-                drawer.contour(rectified.sub(seconds*0.1, seconds*0.1+0.01))
+            drawer.contour(rectified.sub(seconds * 0.1, seconds * 0.1 + 0.01))
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/rectify/DemoRectifiedContour03.kt

@@ -7,28 +7,26 @@ import org.openrndr.extra.shapes.hobbycurve.hobbyCurve
 import org.openrndr.extra.shapes.rectify.rectified
 import kotlin.random.Random
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
-        configure {
+        width = 720
-            width = 720
+        height = 720
-            height = 720
+    }
-        }
+    program {
-        program {
+        val points = drawer.bounds.scatter(80.0, distanceToEdge = 100.0, random = Random(0))
-            val points = drawer.bounds.scatter(80.0, distanceToEdge = 100.0, random = Random(0))
+        val curve = hobbyCurve(points, closed = true)
-            val curve = hobbyCurve(points, closed = true)
+        val rectified = curve.rectified()
-            val rectified = curve.rectified()
+        extend {
-            extend {
+            drawer.clear(ColorRGBa.BLACK)
-                drawer.clear(ColorRGBa.BLACK)
+            drawer.fill = null
-                drawer.fill = null
+            drawer.stroke = ColorRGBa.GRAY
-                drawer.stroke = ColorRGBa.GRAY
+            drawer.contour(curve)
-                drawer.contour(curve)
-
-                val points = (0 until 100).map {
-                    rectified.position(it/100.0)
-                }
-                drawer.circles(points, 5.0)
 
+            val points = (0 until 100).map {
+                rectified.position(it / 100.0)
             }
+            drawer.circles(points, 5.0)
+
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/rectify/DemoRectifiedPath3D01.kt

@@ -12,38 +12,35 @@ import org.openrndr.extra.shapes.rectify.rectified
 import org.openrndr.math.Vector3
 import org.openrndr.shape.path3D
 
-
+fun main() = application {
-fun main() {
+    configure {
-    application {
+        width = 720
-        configure {
+        height = 720
-            width = 720
+        multisample = WindowMultisample.SampleCount(4)
-            height = 720
+    }
-            multisample = WindowMultisample.SampleCount(4)
+    program {
+        val p = path3D {
+            moveTo(0.0, 0.0, 0.0)
+            for (i in 0 until 10) {
+                curveTo(
+                    Vector3.uniformRing(0.1, 1.0) * 10.0,
+                    Vector3.uniformRing(0.1, 1.0) * 10.0,
+                    Vector3.uniformRing(0.1, 1.0) * 10.0
+                )
+            }
         }
-        program {
+        val pr = p.rectified(0.01, 100.0)
-            val p = path3D {
+        val sphere = sphereMesh(radius = 0.1)
-                moveTo(0.0, 0.0, 0.0)
+        extend(Orbital())
-                for (i in 0 until 10) {
+        extend {
-                    curveTo(
+            drawer.stroke = ColorRGBa.PINK
-                        Vector3.uniformRing(0.1, 1.0)*10.0,
+            for (i in 0 until 500) {
-                        Vector3.uniformRing(0.1, 1.0)*10.0,
+                drawer.isolated {
-                        Vector3.uniformRing(0.1, 1.0)*10.0
+                    drawer.translate(pr.position(i / 499.0))
-                    )
+                    drawer.vertexBuffer(sphere, DrawPrimitive.TRIANGLES)
                 }
             }
-            val pr = p.rectified(0.01, 100.0)
+            drawer.path(p)
-            val sphere = sphereMesh(radius = 0.1)
-            extend(Orbital())
-            extend {
-                drawer.stroke = ColorRGBa.PINK
-                for (i in 0 until 500) {
-                    drawer.isolated {
-                        drawer.translate(pr.position(i/499.0))
-                        drawer.vertexBuffer(sphere, DrawPrimitive.TRIANGLES)
-                    }
-                }
-                drawer.path(p)
-            }
         }
     }
 }

orx-shapes/src/jvmDemo/kotlin/text/DemoText01.kt

@@ -6,26 +6,23 @@ import org.openrndr.draw.font.loadFace
 import org.openrndr.extra.shapes.bounds.bounds
 import org.openrndr.extra.shapes.text.shapesFromText
 
-fun main() {
+fun main() = application {
-    application {
+    configure {
+        width = 720
+        height = 720
+    }
+    program {
 
-        configure {
+        val face =
-            width = 720
+            loadFace("https://github.com/IBM/plex/raw/master/packages/plex-mono/fonts/complete/otf/IBMPlexMono-Bold.otf")
-            height = 720
+        val shapes = shapesFromText(face, "SUCH\nVECTOR\nSUCH\nTEXT", 150.0)
-        }
-        program {
 
-            val face =
+        val bounds = shapes.bounds
-                loadFace("https://github.com/IBM/plex/raw/master/packages/plex-mono/fonts/complete/otf/IBMPlexMono-Bold.otf")
+        extend {
-            val shapes = shapesFromText(face, "SUCH\nVECTOR\nSUCH\nTEXT", 150.0)
+            drawer.clear(ColorRGBa.PINK)
-
+            drawer.translate(-bounds.corner)
-            val bounds = shapes.bounds
+            drawer.translate((width - bounds.width) / 2.0, (height - bounds.height) / 2.0)
-            extend {
+            drawer.shapes(shapes)
-                drawer.clear(ColorRGBa.PINK)
-                drawer.translate(-bounds.corner)
-                drawer.translate((width - bounds.width) / 2.0, (height - bounds.height) / 2.0)
-                drawer.shapes(shapes)
-            }
         }
     }
 }