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[orx-shapes] Extend circle inversion functionalities and update demos

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This commit is contained in:
Edwin Jakobs
2025-08-20 21:38:58 +02:00
parent e17644a247
commit 307b3fc282
3 changed files with 138 additions and 11 deletions
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10
orx-shapes/src/jvmDemo/kotlin/primitives/DemoCircleInversion02.kt
View File

@@ -25,7 +25,10 @@ fun main() = application {
drawer.clear(ColorRGBa.WHITE)
drawer.fill = ColorRGBa.BLACK
drawer.stroke = null
drawer.circle(mc.invertConformal(c))
val ci = mc.invertConformal(c)
when (ci) {
is Circle -> drawer.circle(ci)
}
break
}
}
@@ -39,7 +42,10 @@ fun main() = application {
for (i in 0 until 10) {
val c = Circle(i * width / 10.0 + width / 20.0, j * height / 10.0 + height / 20.0, 36.0)
if (p !in c) {
drawer.circle(mc.invertConformal(c))
val ci = mc.invertConformal(c)
when (ci) {
is Circle -> drawer.circle(ci)
}
}
}
}

63
orx-shapes/src/jvmDemo/kotlin/primitives/DemoCircleInversion03.kt Normal file
View File

@@ -0,0 +1,63 @@
package primitives
import org.openrndr.application
import org.openrndr.color.ColorRGBa
import org.openrndr.draw.isolated
import org.openrndr.extra.shapes.primitives.Arc
import org.openrndr.extra.shapes.primitives.grid
import org.openrndr.extra.shapes.primitives.invert
import org.openrndr.math.Polar
import org.openrndr.shape.Circle
import org.openrndr.shape.LineSegment
import kotlin.math.cos
import kotlin.math.sin
fun main() = application {
configure {
width = 720
height = 720
}
program {
extend {
val p = Polar(seconds * 36.0, 100.0).cartesian + drawer.bounds.center
val c = Circle(p, 180.0)
for (i in 0 until 10) {
val s = sin(seconds + i) * 0.25 + 0.25
drawer.fill = null
val ls = drawer.bounds.horizontal((i + 0.5) / 10.0).sub(0.5-s,0.5+s)
drawer.stroke = ColorRGBa.PINK
val cir = c.invert(ls)
when (cir) {
is Circle -> drawer.circle(cir)
is Arc -> drawer.contour(cir.contour)
is LineSegment -> drawer.lineSegment(cir)
else -> error("unsupported result")
}
}
drawer.isolated {
val pts = drawer.bounds.grid(10, 10).flatten().map {
c.invert(it.center)
}
drawer.fill = ColorRGBa.BLACK
drawer.stroke = null
drawer.circles(pts, 5.0)
}
for (i in 0 until 10) {
drawer.fill = null
val s = cos(seconds + i) * 0.25 + 0.25
val ls = drawer.bounds.vertical((i + 0.5) / 10.0).sub(0.5-s,0.5+s)
drawer.stroke = ColorRGBa.PINK
val cir = c.invert(ls)
when (cir) {
is Circle -> drawer.circle(cir)
is Arc -> drawer.contour(cir.contour)
is LineSegment -> drawer.lineSegment(cir)
else -> error("unsupported result")
}
}
}
}
}