Files
orx/orx-triangulation/src/demo/kotlin/DemoDelaunay01.kt
2021-01-28 16:28:26 +01:00

45 lines
1.4 KiB
Kotlin

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)
}
}
}
}
}