54 lines
2.0 KiB
Kotlin
54 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.draw.loadFont
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import org.openrndr.extra.fcurve.efcurve
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import org.openrndr.extra.fcurve.fcurve
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import org.openrndr.math.Vector2
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fun main() = application {
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configure {
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width = 720
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height = 720
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}
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program {
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val fcurveTexts = listOf(
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//"(l 35.0 25.0 h {175-35})[4]", // linear steps
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"(c 33% 0% 67% 67% 35.0 25.0 h {175-35})[4]", // ease-in steps
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"(c 50% 50% 50% 100% 35.0 25.0 h {175-35})[4]", // ease-out steps
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"(c 50% 0% 50% 100% 35.0 25.0 h {175-35})[4]", // ease-in-out steps
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"(c 95% 0% 100% 100% 35.0 25.0 h {175-35})[4]", // arc-in steps
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"(c 0% 0% 5% 100% 35.0 25.0 h {175-35})[4]", // arc-out steps
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"(c 95% 0% 100% 100% 17.5 12.5 c 0% 0% 5% 100% 17.5 12.5 h {175-35})[4]", // arc-out steps
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)
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val fcurves = fcurveTexts.map { fcurve(efcurve(it)) }
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extend {
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drawer.clear(ColorRGBa.WHITE)
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drawer.fontMap = loadFont("demo-data/fonts/IBMPlexMono-Regular.ttf", 16.0)
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drawer.translate(10.0, 20.0)
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drawer.stroke = ColorRGBa.PINK
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drawer.lineSegment(mouse.position.x - 10.0, 0.0, mouse.position.x - 10.0, height * 1.0)
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fun color(i: Int): ColorRGBa =
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ColorRGBa.BLUE.toHSVa().shiftHue(i * 30.0).saturate(0.5).shade(0.9).toRGBa()
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for (i in fcurveTexts.indices) {
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drawer.fill = color(i)
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drawer.text(fcurveTexts[i], 0.0, 120.0)
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drawer.stroke = color(i).opacify(0.25)
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drawer.lineSegment(0.0, 100.0, width - 20.0, 100.0)
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drawer.stroke = color(i)
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val y = 100.0 - fcurves[i].value(mouse.position.x - 10.0)
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drawer.contours(fcurves[i].contours(offset = Vector2(0.0, 100.0)))
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drawer.circle(mouse.position.x - 10.0, y, 10.0)
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drawer.translate(0.0, 110.0)
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}
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}
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}
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} |