Add demos to orx-mesh-generators

2020-04-10 19:50:13 +02:00
parent 5785c90937
commit 8c591c4830
8 changed files with 367 additions and 3 deletions
--- a/orx-mesh-generators/src/demo/kotlin/DemoComplex02.kt
+++ b/orx-mesh-generators/src/demo/kotlin/DemoComplex02.kt
@@ -0,0 +1,64 @@
+import org.openrndr.application
+import org.openrndr.draw.DrawPrimitive
+import org.openrndr.draw.shadeStyle
+import org.openrndr.extras.camera.Orbital
+import org.openrndr.extras.meshgenerators.*
+import org.openrndr.math.Vector3
+import org.openrndr.math.transforms.transform
+
+fun main() {
+    application {
+        program {
+            extend(Orbital())
+            val m = meshGenerator {
+                group {
+                    hemisphere(32, 16, 5.0)
+                    transform(transform {
+                        translate(0.0, 12.0, 0.0)
+                    })
+                }
+                group {
+                    cylinder(32, 1, 5.0, 6.0)
+                    transform(transform {
+                        translate(0.0, 9.0, 0.0)
+                        rotate(Vector3.UNIT_X, 90.0)
+                    })
+                }
+                group {
+                    hemisphere(32, 16, 5.0)
+                    transform(transform {
+                        translate(0.0, 6.0, 0.0)
+                        rotate(Vector3.UNIT_X, 180.0)
+                    })
+                }
+                group {
+                    val legCount = 12
+                    val baseRadius = 3.0
+                    val legRadius = 0.05
+                    val legLength = 4.0
+                    for (i in 0 until legCount) {
+                        group {
+                            val dphi = 360.0 / legCount
+                            cylinder(32, 1, legRadius, legLength)
+                            transform(transform {
+                                rotate(Vector3.UNIT_Y, dphi * i)
+                                translate(baseRadius, 0.0, 0.0)
+                                rotate(Vector3.UNIT_Z, -15.0)
+                                translate(0.0, legLength/2.0, 0.0)
+                                rotate(Vector3.UNIT_X, 90.0)
+                            })
+                        }
+                    }
+                }
+            }
+            extend {
+                drawer.shadeStyle = shadeStyle {
+                    fragmentTransform = """
+                        x_fill.rgb *= v_viewNormal.z;
+                    """.trimIndent()
+                }
+                drawer.vertexBuffer(m, DrawPrimitive.TRIANGLES)
+            }
+        }
+    }
+}