63 lines
2.0 KiB
Kotlin
63 lines
2.0 KiB
Kotlin
import org.openrndr.application
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import org.openrndr.color.ColorRGBa
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import org.openrndr.extensions.SingleScreenshot
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import org.openrndr.extra.shapes.bezierPatch
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import org.openrndr.extra.shapes.distort
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import org.openrndr.extra.shapes.regularStarRounded
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import org.openrndr.math.transforms.transform
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import org.openrndr.shape.Circle
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import org.openrndr.shape.ShapeContour
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/**
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* Shows how to distort [ShapeContour]s using a [bezierPatch]
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*
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* In this case the contours are regular stars and the bezier patch
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* is created using a circular contour with the required 4 segments.
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*/
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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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if (System.getProperty("takeScreenshot") == "true") {
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extend(SingleScreenshot()) {
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this.outputFile = System.getProperty("screenshotPath")
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}
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}
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val bp = bezierPatch(
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Circle(width / 2.0, height / 2.0, 350.0).contour
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)
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val star = regularStarRounded(
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7, 30.0, 40.0,
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0.5, 0.5
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)
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extend {
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drawer.clear(ColorRGBa.PINK)
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// draw grid
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for (i in 0..50) {
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drawer.stroke = ColorRGBa.BLACK
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drawer.contour(bp.horizontal(i / 50.0))
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drawer.contour(bp.vertical(i / 50.0))
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}
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// draw stars
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drawer.fill = ColorRGBa.PINK
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for (j in 1 until 10) {
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for (i in 1 until 10) {
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val starMoved = star.transform(
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transform {
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translate(j * width / 10.0, i * height / 10.0)
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}
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)
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drawer.contour(bp.distort(starMoved, drawer.bounds))
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}
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}
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}
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}
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}
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} |