Files
orx/orx-triangulation/src/jvmDemo/kotlin/DemoVoronoi03.kt
2023-01-15 15:27:19 +01:00

41 lines
1.4 KiB
Kotlin

import org.openrndr.application
import org.openrndr.color.ColorRGBa
import org.openrndr.extra.shapes.grid
import org.openrndr.extra.triangulation.delaunayTriangulation
import org.openrndr.math.Vector2
import org.openrndr.math.Vector3
import org.openrndr.math.transforms.buildTransform
import org.openrndr.shape.Circle
fun main() {
application {
configure {
width = 750
height = 1000
}
program {
extend {
val r = drawer.bounds.offsetEdges(-100.0)
val grid = r.grid(3,6).flatten()
val circles = grid.map { Circle(Vector2.ZERO, 158.975).contour.transform(
buildTransform {
translate(it.center)
rotate(Vector3.UNIT_Z, 0.0)
}
) }
val points = circles.flatMap { it.contour.equidistantPositions(16).take(16) }
drawer.circles(points, 5.0)
val d = points.delaunayTriangulation()
drawer.stroke = ColorRGBa.PINK
drawer.contours(d.halfedges())
drawer.stroke = ColorRGBa.YELLOW
drawer.fill = ColorRGBa.GRAY.opacify(0.5)
drawer.contours(d.voronoiDiagram(drawer.bounds).cellPolygons())
drawer.stroke = ColorRGBa.GRAY
drawer.contours(d.triangles().map { it.contour })
}
}
}
}