c8f7dd52c6
- Adjust some demo window sizes. - Replace Random.double by Double.uniform - Tweak some demos so screenshots look more interesting
46 lines
1.2 KiB
Kotlin
46 lines
1.2 KiB
Kotlin
import org.openrndr.Program
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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.viewbox.viewBox
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import org.openrndr.math.Vector2
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import kotlin.math.cos
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/**
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* Demonstrates how to use a proxy program inside a [viewBox],
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* how the main program can access its variables and methods,
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* and execute its `extend` block by calling its `draw()` method.
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*/
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fun Program.program01() {
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var color: ColorRGBa by this.userProperties
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color = ColorRGBa.WHITE
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var someFunction: () -> Unit by this.userProperties
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someFunction = {
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color = ColorRGBa(Math.random(), Math.random(), Math.random())
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}
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extend {
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drawer.fill = color
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drawer.circle(Vector2(width / 2.0, height / 2.0), cos(seconds) * 50.0 + 50.0)
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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 = 720
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height = 360
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}
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program {
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val proxyBox = viewBox(drawer.bounds).apply { program01() }
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var color: ColorRGBa by proxyBox.userProperties
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val someFunction: () -> Unit by proxyBox.userProperties
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color = ColorRGBa.PINK
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extend {
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if (Math.random() < 0.01) {
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someFunction()
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}
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proxyBox.draw()
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}
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}
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}
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