39 lines
1.1 KiB
Kotlin
39 lines
1.1 KiB
Kotlin
package adjust
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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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/**
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* Demonstrates an `adjustContour` animated effect where edge 0 of a contour
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* is replaced by a point sampled on that edge. The specific edge point oscillates between
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* 0.0 (at the start) and 1.0 (at the end) using a cosine and the `seconds` variable.
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*
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* The base contour used for the effect alternates every second
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* between a rectangular and a circular contour.
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*
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*/
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fun main() = 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 = if (seconds.mod(2.0) < 1.0) {
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drawer.bounds.scaledBy(0.5, 0.5, 0.5).contour
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} else {
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Circle(drawer.bounds.center, 300.0).contour
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}
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contour = adjustContour(contour) {
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selectEdge(0)
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edge.replaceWith(cos(seconds) * 0.5 + 0.5)
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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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