Improve mesh generator (#301)

Co-authored-by: Edwin Jakobs <edwin@rndr.studio>
2023-04-19 10:34:55 +02:00
parent a8c2f7217c
commit 03bf971ff5
31 changed files with 2639 additions and 1164 deletions
--- a/orx-mesh-generators/src/jvmDemo/kotlin/DemoExtrude02.kt
+++ b/orx-mesh-generators/src/jvmDemo/kotlin/DemoExtrude02.kt
@@ -0,0 +1,71 @@
+import org.openrndr.WindowMultisample
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.draw.DrawPrimitive
+import org.openrndr.draw.shadeStyle
+import org.openrndr.extra.camera.Orbital
+import org.openrndr.extra.meshgenerators.buildTriangleMesh
+import org.openrndr.extra.meshgenerators.extrudeShapeSteps
+import org.openrndr.math.Vector3
+import org.openrndr.math.catmullRom
+import org.openrndr.shape.Circle
+import org.openrndr.shape.Shape
+import org.openrndr.shape.toPath3D
+
+fun main() {
+    application {
+        configure {
+            width = 800
+            height = 800
+            multisample = WindowMultisample.SampleCount(8)
+        }
+        program {
+            val m = buildTriangleMesh {
+                color = ColorRGBa.PINK
+
+                val path = listOf(
+                    Vector3(0.0, 0.0, 0.0),
+                    Vector3(-2.0, 2.0, 2.0),
+                    Vector3(2.0, -4.0, 4.0),
+                    Vector3(0.0, 0.0, 8.0)
+                ).catmullRom(0.5, closed = false).toPath3D()
+
+
+                translate(-5.0, 0.0, 0.0)
+
+
+                val ring = Shape(listOf(Circle(0.0, 0.0, 0.5).contour, Circle(0.0, 0.0, 0.25).contour.reversed))
+
+                for (i in 0 until 5) {
+                    extrudeShapeSteps(
+                        ring,
+                        path,
+                        160,
+                        Vector3.UNIT_Y,
+                        contourDistanceTolerance = 0.02,
+                        pathDistanceTolerance = 0.001
+                    )
+                    translate(2.0, 0.0, 0.0)
+                }
+
+
+            }
+
+            extend(Orbital()) {
+                this.eye = Vector3(0.0, 3.0, 7.0)
+                this.lookAt = Vector3(0.0, 2.0, 0.0)
+            }
+
+            extend {
+                drawer.shadeStyle = shadeStyle {
+                    fragmentTransform = """
+                        x_fill = va_color;
+                        x_fill.rgb *= v_viewNormal.z;
+                    """.trimIndent()
+                }
+
+                drawer.vertexBuffer(m, DrawPrimitive.TRIANGLES)
+            }
+        }
+    }
+}