[orx-shapes] Improve contour adjuster framework

2024-01-22 15:22:20 +01:00
parent 0e8ca543ab
commit 44824e3d21
23 changed files with 498 additions and 15 deletions
--- a/orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour07.kt
+++ b/orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour07.kt
@@ -0,0 +1,42 @@
+//package adjust
+
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.extra.shapes.adjust.adjustContour
+import org.openrndr.math.Vector2
+import org.openrndr.shape.contour
+import kotlin.math.cos
+
+fun main() {
+    application {
+        configure {
+            width = 800
+            height = 800
+        }
+        program {
+            extend {
+                var contour = contour {
+                    moveTo(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)
+            }
+        }
+    }
+}