42 lines
1.4 KiB
Kotlin
42 lines
1.4 KiB
Kotlin
import org.openrndr.application
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import org.openrndr.color.ColorRGBa
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import org.openrndr.extensions.Screenshots
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import org.openrndr.extensions.SingleScreenshot
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import org.openrndr.extra.shapes.bezierPatch
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import org.openrndr.shape.Circle
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fun main() {
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application {
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configure {
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width = 800
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height = 800
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}
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program {
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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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val bp = bezierPatch(Circle(width / 2.0, height / 2.0, 350.0).contour)
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for (i in 0..50) {
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drawer.stroke = ColorRGBa.BLACK.opacify(1.0)
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}
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for (j in 1 until 50 step 2) {
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for (i in 1 until 50 step 2) {
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val p = bp.position(i / 50.0, j / 50.0)
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val g2 = bp.gradient(i / 50.0, j / 50.0).normalized
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val g = g2.perpendicular()
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drawer.lineSegment(p, p + g2 * 10.0)
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drawer.lineSegment(p, p - g2 * 10.0)
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drawer.lineSegment(p, p + g * 10.0)
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drawer.lineSegment(p, p - g * 10.0)
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}
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}
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}
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}
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}
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} |