Add skeleton filters to orx-jumpflood

2020-04-21 11:44:59 +02:00
parent e660484c4d
commit dafd309924
14 changed files with 418 additions and 33 deletions
--- a/orx-jumpflood/src/demo/kotlin/DemoStraightSkeleton01.kt
+++ b/orx-jumpflood/src/demo/kotlin/DemoStraightSkeleton01.kt
@@ -0,0 +1,48 @@
+package sketches
+
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.draw.ColorType
+
+import org.openrndr.draw.isolatedWithTarget
+import org.openrndr.draw.renderTarget
+import org.openrndr.extra.jumpfill.fx.StraightSkeleton
+import org.openrndr.extra.noise.simplex
+
+fun main() {
+    application {
+        configure {
+            width = 1280
+            height = 720
+        }
+        program {
+            val straightSkeleton = StraightSkeleton()
+
+            val input = renderTarget(width, height) {
+                colorBuffer()
+            }
+            val field = input.colorBuffer(0).createEquivalent(type = ColorType.FLOAT32)
+            extend {
+                drawer.isolatedWithTarget(input) {
+                    // -- draw something interesting
+                    drawer.stroke = null
+                    drawer.background(ColorRGBa.BLACK)
+                    drawer.fill = ColorRGBa.WHITE
+                    drawer.circle(mouse.position, 300.0)
+                    drawer.fill = ColorRGBa.BLACK
+                    drawer.circle(mouse.position, 150.0)
+                    drawer.fill = ColorRGBa.WHITE
+                    for (i in 0 until 30) {
+                        val time = seconds * 0.25
+                        val x = simplex(i * 20, time) * width / 2 + width / 2
+                        val y = simplex(i * 20 + 5, time) * height / 2 + height / 2
+                        val r = simplex(i*30, time) * 50.0 + 50.0
+                        drawer.circle(x, y, r)
+                    }
+                }
+                straightSkeleton.apply(input.colorBuffer(0), field)
+                drawer.image(field)
+            }
+        }
+    }
+}