34 lines
1.0 KiB
Kotlin
34 lines
1.0 KiB
Kotlin
import org.openrndr.application
|
|
import org.openrndr.extensions.SingleScreenshot
|
|
import org.openrndr.extra.kdtree.buildKDTree
|
|
import org.openrndr.extra.kdtree.findNearest
|
|
import org.openrndr.extra.kdtree.vector2Mapper
|
|
import org.openrndr.math.Vector2
|
|
|
|
fun main() {
|
|
application {
|
|
configure {
|
|
width = 1280
|
|
height = 720
|
|
}
|
|
program {
|
|
if (System.getProperty("takeScreenshot") == "true") {
|
|
extend(SingleScreenshot()) {
|
|
this.outputFile = System.getProperty("screenshotPath")
|
|
}
|
|
}
|
|
|
|
val points = MutableList(1000) {
|
|
Vector2(Math.random() * width, Math.random() * height)
|
|
}
|
|
val tree = buildKDTree(points, 2, ::vector2Mapper)
|
|
extend {
|
|
drawer.circles(points, 5.0)
|
|
val nearest = findNearest(tree, mouse.position, 2, ::vector2Mapper)
|
|
nearest?.let {
|
|
drawer.circle(it.x, it.y, 20.0)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} |