Files
orx/orx-shapes/src/demo/kotlin/DemoRegularStar02.kt
2020-05-20 14:16:46 +02:00

44 lines
1.4 KiB
Kotlin

import org.openrndr.application
import org.openrndr.color.ColorRGBa
import org.openrndr.extensions.SingleScreenshot
import org.openrndr.extra.shapes.regularStar
import org.openrndr.math.Vector2
import kotlin.math.cos
import kotlin.math.sin
fun main() = application {
program {
// -- this block is for automation purposes only
if (System.getProperty("takeScreenshot") == "true") {
extend(SingleScreenshot()) {
this.outputFile = System.getProperty("screenshotPath")
}
}
extend {
drawer.fill = ColorRGBa.PINK
drawer.stroke = ColorRGBa.WHITE
val radius0 = cos(seconds) * 50.0 + 130.0
val radius1 = sin(seconds * 2.0) * 50.0 + 130.0
val star = regularStar(12, radius0, radius1)
drawer.translate(width / 2.0, height / 2.0)
drawer.rotate(seconds * 45.0)
drawer.fill = null
drawer.strokeWeight = 2.0
drawer.contour(star)
drawer.strokeWeight = 1.0
drawer.fill = ColorRGBa.WHITE
for (j in -20 until 20) {
for (i in -20 until 20) {
val q = Vector2(i * 10.0, j * 10.0)
if (q in star) {
drawer.circle(i * 10.0, j * 10.0, 5.0)
}
}
}
}
}
}