[orx-triangulation] Improve triangulation, add kotlin/js support

2022-10-21 10:33:24 +02:00
parent ed6cda8cca
commit 1f16aa6a31
21 changed files with 1608 additions and 251 deletions
--- a/orx-triangulation/src/demo/kotlin/DemoVoronoi02.kt
+++ b/orx-triangulation/src/demo/kotlin/DemoVoronoi02.kt
@@ -0,0 +1,33 @@
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.extra.shapes.grid
+import org.openrndr.extra.triangulation.delaunayTriangulation
+import org.openrndr.shape.Circle
+
+fun main() {
+    application {
+        configure {
+            width = 720
+            height = 720
+        }
+        program {
+            extend {
+                val r = drawer.bounds.offsetEdges(-50.0)
+                val grid = r.grid(8, 8).flatten()
+                val circles = grid.map { Circle(it.center, it.width / 4.0) }
+                val points = circles.flatMap { it.contour.equidistantPositions(6) }
+                drawer.circles(points, 5.0)
+                val d = points.delaunayTriangulation()
+                drawer.stroke = ColorRGBa.PINK
+                drawer.contours(d.halfedges())
+
+                drawer.stroke = ColorRGBa.YELLOW
+                drawer.fill = null
+                drawer.contours(d.voronoiDiagram(drawer.bounds.offsetEdges(-50.0)).cellPolygons())
+
+                drawer.stroke = ColorRGBa.GRAY
+                drawer.contours(d.triangles().map { it.contour })
+            }
+        }
+    }
+}