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

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

@@ -12,69 +12,67 @@ import org.openrndr.math.map
  * [grid] is used to layout graphs on rows and columns.
  *
  */
-fun main() {
-    application {
-        configure {
-            width = 1280
-            height = 1080
-        }
-        program {
-            val font = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 20.0)
+fun main() = application {
+    configure {
+        width = 1280
+        height = 1080
+    }
+    program {
+        val font = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 20.0)
 
-            // grid `columns * rows` must be >= Easing.values().size
-            val grid = drawer.bounds.grid(
-                3, 11, 10.0, 10.0, 10.0, 10.0
-            ).flatten()
+        // grid `columns * rows` must be >= Easing.values().size
+        val grid = drawer.bounds.grid(
+            3, 11, 10.0, 10.0, 10.0, 10.0
+        ).flatten()
 
-            // make pairs of (easing function, grid rectangle)
-            val pairs = Easing.values() zip grid
+        // make pairs of (easing function, grid rectangle)
+        val pairs = Easing.entries.toTypedArray() zip grid
 
-            extend {
-                // ~4 seconds animation loop
-                val animT = (frameCount % 240) / 60.0
+        extend {
+            // ~4 seconds animation loop
+            val animT = (frameCount % 240) / 60.0
 
-                pairs.forEach { (easing, gridRect) ->
+            pairs.forEach { (easing, gridRect) ->
 
-                    // background rectangle
-                    drawer.stroke = null
-                    drawer.fill = ColorRGBa.WHITE.opacify(0.3)
-                    drawer.rectangle(gridRect)
+                // background rectangle
+                drawer.stroke = null
+                drawer.fill = ColorRGBa.WHITE.opacify(0.3)
+                drawer.rectangle(gridRect)
 
-                    // graph
-                    drawer.stroke = ColorRGBa.PINK
-                    val points = List(40) {
-                        val curveT = it / 39.0
-                        gridRect.position(
-                            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
+                // graph
+                drawer.stroke = ColorRGBa.PINK
+                val points = List(40) {
+                    val curveT = it / 39.0
+                    gridRect.position(
+                        curveT, easing.function(curveT, 1.0, -1.0, 1.0)
                     )
-
-                    // 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)
             }
         }
     }
-}
+}