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[orx-shapes] Improve support for open contours in adjustContour

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This commit is contained in:
Edwin Jakobs
2023-10-30 07:53:40 +01:00
parent 2293d5d74e
commit 6e14b36540
8 changed files with 132 additions and 59 deletions
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1
orx-shapes/src/jvmDemo/kotlin/DemoAdjustContour06.kt
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@@ -20,7 +20,6 @@ fun main() {
parameters.selectInsertedVertices = true
for (i in 0 until 4) {
val splitT = cos(seconds + i * Math.PI*0.5)*0.2+0.5
selectEdges { it -> true }

42
orx-shapes/src/jvmDemo/kotlin/DemoAdjustContour07.kt
View File

@@ -2,10 +2,8 @@ import org.openrndr.application
import org.openrndr.color.ColorRGBa
import org.openrndr.extra.shapes.adjust.adjustContour
import org.openrndr.math.Vector2
import org.openrndr.shape.Circle
import org.openrndr.shape.contour
import kotlin.math.cos
import kotlin.math.sin
fun main() {
application {
@@ -15,38 +13,22 @@ fun main() {
}
program {
extend {
var contour =
Circle(drawer.bounds.center, 300.0).contour
var contour = contour {
moveTo(drawer.bounds.center - Vector2(300.0, 0.0))
lineTo(drawer.bounds.center + Vector2(300.0, 0.0))
}
contour = adjustContour(contour) {
selectEdges(0, 2)
selectEdge(0)
edge.splitIn(128)
val tr = cos(seconds) * 0.5 + 0.5
for (e in edges) {
e.replaceWith(contour {
moveTo(e.startPosition)
lineTo(e.position(0.5) + e.normal(0.5) * cos(seconds) * 150.0)
lineTo(e.endPosition)
})
}
selectEdges(0, 1)
selectVertices { i, v -> v.t >= tr }
val anchor = contour.position(tr)
for (e in edges) {
e.replaceWith(contour {
moveTo(e.startPosition)
val t = 0.5
lineTo(e.position(t) + e.normal(t) * cos(seconds) * 50.0)
lineTo(e.endPosition)
})
}
selectEdges(0, 1)
for (e in edges) {
e.replaceWith(contour {
moveTo(e.startPosition)
val t = 0.5
lineTo(e.position(t) + e.normal(t) * sin(seconds) * 50.0)
lineTo(e.endPosition)
})
for (v in vertices) {
v.rotate((v.t - tr) * 2000.0, anchor)
v.scale(0.05, anchor)
}
}