41 lines
1.4 KiB
Kotlin
41 lines
1.4 KiB
Kotlin
import org.openrndr.application
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import org.openrndr.color.ColorRGBa
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import org.openrndr.extra.shapes.adjust.adjustContour
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import org.openrndr.shape.Circle
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import kotlin.math.cos
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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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}
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program {
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extend {
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var contour =
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Circle(drawer.bounds.center, 300.0).contour
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contour = adjustContour(contour) {
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parameters.clearSelectedVertices = true
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parameters.selectInsertedVertices = true
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for (i in 0 until 4) {
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val splitT = cos(seconds + i * Math.PI*0.5)*0.2+0.5
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selectEdges { it -> true }
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for (e in edges) {
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e.splitAt(splitT)
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}
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// as a resut of the clearSelectedVertices and selectInsertedVertices settings
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// the vertex selection is set to the newly inserted vertices
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for ((index, v) in vertices.withIndex()) {
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v.scale(cos(seconds + i + index) * 0.5 * (1.0 / (1.0 + i)) + 1.0, drawer.bounds.center)
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}
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}
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}
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drawer.stroke = ColorRGBa.RED
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drawer.contour(contour)
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}
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}
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}
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} |