Add orx-triangulation

2021-01-28 12:34:44 +01:00
parent 199e9635fa
commit acdb038c98
8 changed files with 1028 additions and 1 deletions
--- a/orx-triangulation/src/demo/kotlin/DemoDelaunay01.kt
+++ b/orx-triangulation/src/demo/kotlin/DemoDelaunay01.kt
@@ -0,0 +1,45 @@
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.extensions.SingleScreenshot
+import org.openrndr.extra.noise.poissonDiskSampling
+import org.openrndr.extra.triangulation.Delaunay
+import org.openrndr.math.Vector2
+import org.openrndr.shape.Circle
+import org.openrndr.shape.Rectangle
+
+fun main() {
+    application {
+        configure {
+            width = 800
+            height = 800
+            title = "Delaunator"
+        }
+        program {
+            if (System.getProperty("takeScreenshot") == "true") {
+                extend(SingleScreenshot()) {
+                    this.outputFile = System.getProperty("screenshotPath")
+                }
+            }
+
+            val circle = Circle(Vector2(400.0), 250.0)
+
+            val points = poissonDiskSampling(width * 1.0, height * 1.0, 30.0)
+                .filter { circle.contains(it) }
+
+            val delaunay = Delaunay.from(points + circle.contour.equidistantPositions(40))
+            val triangles = delaunay.triangles().map { it.contour }
+
+            extend {
+                drawer.clear(ColorRGBa.BLACK)
+
+
+                for ((i, triangle) in triangles.withIndex()) {
+                    drawer.fill = ColorRGBa.PINK.shade(1.0 - i / (triangles.size * 1.2))
+                    drawer.stroke = ColorRGBa.PINK.shade( i / (triangles.size * 1.0) + 0.1)
+
+                    drawer.contour(triangle)
+                }
+            }
+        }
+    }
+}