[orx-shapes] Add 3d Hobby curves

2024-04-03 08:15:14 +02:00
parent c9f9f67dec
commit 70ffc7dc14
3 changed files with 249 additions and 70 deletions
--- a/orx-shapes/src/jvmDemo/kotlin/hobbycurve/DemoHobbyCurve3D01.kt
+++ b/orx-shapes/src/jvmDemo/kotlin/hobbycurve/DemoHobbyCurve3D01.kt
@@ -0,0 +1,48 @@
+package hobbycurve
+
+import org.openrndr.WindowMultisample
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.draw.isolated
+import org.openrndr.extra.noise.scatter
+import org.openrndr.extra.noise.uniform
+import org.openrndr.extra.shapes.hobbycurve.hobbyCurve
+import org.openrndr.math.Vector3
+import kotlin.math.cos
+import kotlin.random.Random
+
+fun main() = application {
+    configure {
+        width = 720
+        height = 720
+        multisample = WindowMultisample.SampleCount(4)
+    }
+    program {
+        val pts = drawer.bounds.scatter(30.0, distanceToEdge = 200.0, random = Random(3000))
+
+        extend {
+            drawer.stroke = ColorRGBa.PINK
+            drawer.strokeWeight = 4.0
+            drawer.fill = null
+
+            val r = Random(3000)
+            val hobby3D = hobbyCurve(
+                pts.map { it.xy0 + Vector3(0.0, 0.0, Double.uniform(-360.0, 360.0, r)) },
+                true,
+                tensions = { chordIndex: Int ->
+                    Pair(
+                        cos(seconds + chordIndex * 0.1) * 0.5 + 0.5,
+                        cos(seconds + (1.0 + chordIndex) * 0.1) * 0.5 + 0.5
+                    )
+                })
+
+            drawer.isolated {
+                drawer.ortho(0.0, width.toDouble(), height.toDouble(), 0.0, -4000.0, 4000.0)
+                drawer.translate(width / 2.0, height / 2.0)
+                drawer.rotate(Vector3.UNIT_Y, seconds * 16.0)
+                drawer.translate(-width / 2.0, -height / 2.0)
+                drawer.path(hobby3D)
+            }
+        }
+    }
+}