[orx-noise] Add hash functions

2024-10-20 14:14:50 +02:00
parent 6e1e161726
commit fba1e5b61a
23 changed files with 473 additions and 63 deletions
--- a/orx-mesh-noise/src/jvmDemo/kotlin/DemoMeshNoise02.kt
+++ b/orx-mesh-noise/src/jvmDemo/kotlin/DemoMeshNoise02.kt
@@ -0,0 +1,48 @@
+import org.openrndr.application
+import org.openrndr.draw.DrawPrimitive
+import org.openrndr.draw.isolated
+import org.openrndr.draw.shadeStyle
+import org.openrndr.extra.camera.Orbital
+import org.openrndr.extra.mesh.noise.hash
+import org.openrndr.extra.objloader.loadOBJMeshData
+import org.openrndr.extra.mesh.noise.uniform
+import org.openrndr.extra.meshgenerators.sphereMesh
+import org.openrndr.math.Vector3
+import java.io.File
+import kotlin.math.cos
+import kotlin.random.Random
+
+/**
+ * Demonstrate uniform point on mesh generation using hash functions
+ */
+fun main() {
+    application {
+        configure {
+            width = 720
+            height = 720
+        }
+        program {
+            val mesh = loadOBJMeshData(File("demo-data/obj-models/suzanne/Suzanne.obj")).toMeshData()
+
+            val sphere = sphereMesh(radius = 0.01)
+            extend(Orbital()) {
+                eye = Vector3(0.0, 0.0, 2.0)
+            }
+            extend {
+
+                val points = mesh.hash((1000 + (cos(seconds)*0.5+0.5)*9000).toInt(), 808, (seconds*10000).toInt())
+
+
+                drawer.shadeStyle = shadeStyle {
+                    fragmentTransform = "x_fill = vec4(v_viewNormal*0.5+0.5, 1.0);"
+                }
+                for (point in points) {
+                    drawer.isolated {
+                        drawer.translate(point)
+                        drawer.vertexBuffer(sphere, DrawPrimitive.TRIANGLES)
+                    }
+                }
+            }
+        }
+    }
+}