49 lines
1.3 KiB
Kotlin
49 lines
1.3 KiB
Kotlin
import org.openrndr.application
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import org.openrndr.color.ColorRGBa
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import org.openrndr.draw.rectangleBatch
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import org.openrndr.extensions.SingleScreenshot
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import org.openrndr.extra.noise.Random
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import org.openrndr.extra.noise.gaussian
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import org.openrndr.math.Vector2
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import org.openrndr.shape.Rectangle
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import org.openrndr.extra.quadtree.Quadtree
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fun main() {
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application {
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configure {
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width = 800
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height = 800
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title = "QuadTree"
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}
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program {
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val box = Rectangle.fromCenter(Vector2(400.0), 750.0)
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val points = (0 until 1_000).map {
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Vector2.gaussian(box.center, Vector2(95.0), Random.rnd)
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}
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val quadTree = Quadtree<Vector2>(box) { it }
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for (point in points) {
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quadTree.insert(point)
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}
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val batch = drawer.rectangleBatch {
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this.fill = null
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this.stroke = ColorRGBa.GRAY
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this.strokeWeight = 0.5
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quadTree.batch(this)
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}
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extend {
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drawer.clear(ColorRGBa.BLACK)
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drawer.rectangles(batch)
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drawer.fill = ColorRGBa.PINK.opacify(0.7)
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drawer.stroke = null
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drawer.circles(points, 5.0)
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}
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}
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}
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} |