28 lines
854 B
Kotlin
28 lines
854 B
Kotlin
import org.openrndr.application
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import org.openrndr.extensions.SingleScreenshot
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import org.openrndr.extra.kdtree.buildKDTree
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import org.openrndr.extra.kdtree.findNearest
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import org.openrndr.extra.kdtree.vector2Mapper
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import org.openrndr.math.Vector2
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fun main() {
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application {
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configure {
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width = 1280
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height = 720
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}
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program {
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val points = MutableList(1000) {
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Vector2(Math.random() * width, Math.random() * height)
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}
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val tree = buildKDTree(points, 2, ::vector2Mapper)
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extend {
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drawer.circles(points, 5.0)
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val nearest = findNearest(tree, mouse.position, 2, ::vector2Mapper)
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nearest?.let {
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drawer.circle(it.x, it.y, 20.0)
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}
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}
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}
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}
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} |