30 lines
1.0 KiB
Kotlin
30 lines
1.0 KiB
Kotlin
import org.openrndr.application
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import org.openrndr.draw.createEquivalent
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import org.openrndr.draw.loadImage
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import org.openrndr.extra.fx.dither.LumaHalftone
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/**
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* Demonstrates the [LumaHalftone] effect and moste of its parameters.
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* The `invert` parameter toggles between true and false once per second.
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* The `phase0` and `phase1` parameters depend on `seconds`, which makes
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* the pattern wobble slowly.
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*/
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fun main() = application {
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program {
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val image = loadImage("demo-data/images/image-001.png")
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val filteredImage = image.createEquivalent()
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val lumaHalftone = LumaHalftone()
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extend {
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lumaHalftone.rotation = -15.0
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lumaHalftone.freq0 = 100.0
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lumaHalftone.gain1 = 1.0
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lumaHalftone.threshold = 0.5
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lumaHalftone.phase0 = seconds * 0.1
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lumaHalftone.phase1 = -seconds * 0.1
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lumaHalftone.apply(image, filteredImage)
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lumaHalftone.invert = seconds.mod(2.0) < 1.0
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drawer.image(filteredImage)
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}
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}
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}
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