33 lines
1.0 KiB
Kotlin
33 lines
1.0 KiB
Kotlin
import org.openrndr.application
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import org.openrndr.color.ColorRGBa
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import org.openrndr.events.Event
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import org.openrndr.extensions.SingleScreenshot
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import org.openrndr.extra.timer.repeat
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/**
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* This demonstrates how to combine `repeat {}` with a postponed event to trigger drawing
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*/
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fun main() = application {
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program {
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val event = Event<Any?>().postpone(true)
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event.listen {
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drawer.circle(width / 2.0, height / 2.0, 200.0)
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}
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repeat(2.0) {
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// -- we can not draw here, so we relay the repeat signal to the event
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event.trigger(null)
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}
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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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extend {
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drawer.clear(ColorRGBa.PINK)
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// -- by explicitly calling deliver we know that the drawing code in the listener will be
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// -- executed exactly here
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event.deliver()
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}
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}
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} |