64 lines
2.1 KiB
Kotlin
64 lines
2.1 KiB
Kotlin
package primitives
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import org.openrndr.application
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import org.openrndr.color.ColorRGBa
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import org.openrndr.draw.isolated
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import org.openrndr.extra.shapes.primitives.Arc
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import org.openrndr.extra.shapes.primitives.grid
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import org.openrndr.extra.shapes.primitives.invert
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import org.openrndr.math.Polar
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import org.openrndr.shape.Circle
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import org.openrndr.shape.LineSegment
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import kotlin.math.cos
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import kotlin.math.sin
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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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extend {
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val p = Polar(seconds * 36.0, 100.0).cartesian + drawer.bounds.center
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val c = Circle(p, 180.0)
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for (i in 0 until 10) {
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val s = sin(seconds + i) * 0.25 + 0.25
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drawer.fill = null
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val ls = drawer.bounds.horizontal((i + 0.5) / 10.0).sub(0.5-s,0.5+s)
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drawer.stroke = ColorRGBa.PINK
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val cir = c.invert(ls)
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when (cir) {
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is Circle -> drawer.circle(cir)
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is Arc -> drawer.contour(cir.contour)
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is LineSegment -> drawer.lineSegment(cir)
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else -> error("unsupported result")
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}
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}
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drawer.isolated {
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val pts = drawer.bounds.grid(10, 10).flatten().map {
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c.invert(it.center)
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}
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drawer.fill = ColorRGBa.BLACK
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drawer.stroke = null
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drawer.circles(pts, 5.0)
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}
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for (i in 0 until 10) {
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drawer.fill = null
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val s = cos(seconds + i) * 0.25 + 0.25
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val ls = drawer.bounds.vertical((i + 0.5) / 10.0).sub(0.5-s,0.5+s)
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drawer.stroke = ColorRGBa.PINK
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val cir = c.invert(ls)
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when (cir) {
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is Circle -> drawer.circle(cir)
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is Arc -> drawer.contour(cir.contour)
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is LineSegment -> drawer.lineSegment(cir)
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else -> error("unsupported result")
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}
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}
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}
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}
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}
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