[orx-shapes] Improve contour adjuster framework

2024-01-22 15:22:20 +01:00
parent 0e8ca543ab
commit 44824e3d21
23 changed files with 498 additions and 15 deletions
--- a/orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour09.kt
+++ b/orx-shapes/src/jvmDemo/kotlin/adjust/DemoAdjustContour09.kt
@@ -0,0 +1,60 @@
+//package adjust
+
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.extra.shapes.adjust.adjustContour
+import org.openrndr.extra.shapes.adjust.extensions.averageTangents
+import org.openrndr.extra.shapes.adjust.extensions.switchTangents
+import org.openrndr.extra.shapes.tunni.tunniLine
+import org.openrndr.extra.shapes.tunni.tunniPoint
+import kotlin.math.sqrt
+
+fun main() {
+    application {
+        configure {
+            width = 800
+            height = 800
+        }
+        program {
+            extend {
+                drawer.clear(ColorRGBa.WHITE)
+                var contour = drawer.bounds.offsetEdges(-200.0).contour
+
+                drawer.fill = null
+
+                contour = adjustContour(contour) {
+                    selectVertices(0, 1)
+                    for (v in vertices) {
+                        v.averageTangents()
+                        v.scale(sqrt(2.0))
+                        v.rotate(45.0)
+                    }
+
+                    selectVertices(2)
+                    for (v in vertices) {
+                        v.switchTangents()
+                    }
+                }
+                drawer.stroke = ColorRGBa.BLACK
+                drawer.contour(contour)
+
+                drawer.stroke = ColorRGBa.RED
+
+                for (s in contour.segments) {
+                    drawer.lineSegment(s.start, s.cubic.control[0])
+                    drawer.lineSegment(s.end, s.cubic.control[1])
+                }
+                drawer.fill = ColorRGBa.BLACK
+                drawer.stroke = null
+                drawer.circles(contour.segments.map { it.start }, 5.0)
+
+                drawer.stroke = ColorRGBa.GRAY
+                for (s in contour.segments) {
+                    drawer.lineSegment(s.tunniLine)
+                    drawer.fill = ColorRGBa.CYAN
+                    drawer.circle(s.tunniPoint, 5.0)
+                }
+            }
+        }
+    }
+}