[orx-mesh, orx-obj-loader] Separate into commonMain and jvmMain

2024-09-16 22:12:48 +02:00
parent 8bccf54447
commit ed55899230
20 changed files with 425 additions and 86 deletions
--- a/orx-obj-loader/src/jvmDemo/kotlin/DemoWireframe01.kt
+++ b/orx-obj-loader/src/jvmDemo/kotlin/DemoWireframe01.kt
@@ -0,0 +1,63 @@
+/**
+Display wireframe and non-planar faces
+ */
+import org.openrndr.WindowMultisample
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.draw.DrawPrimitive
+import org.openrndr.draw.TransformTarget
+import org.openrndr.draw.shadeStyle
+import org.openrndr.extra.camera.Orbital
+import org.openrndr.extra.objloader.readObjMeshData
+import org.openrndr.extra.objloader.loadOBJasVertexBuffer
+import org.openrndr.extra.objloader.wireframe
+import org.openrndr.math.Vector3
+import org.openrndr.shape.Path3D
+import java.io.File
+import kotlin.math.cos
+
+fun main() {
+    application {
+        configure {
+            width = 720
+            height = 720
+            multisample = WindowMultisample.SampleCount(4)
+        }
+        program {
+            val vb = loadOBJasVertexBuffer("orx-obj-loader/test-data/non-planar.obj")
+            val md = readObjMeshData(File("orx-obj-loader/test-data/non-planar.obj").readLines())
+
+            val paths = md.wireframe().map {
+                Path3D.fromPoints(it, true)
+            }
+
+            extend(Orbital())
+            extend {
+                drawer.rotate(Vector3.Companion.UNIT_Y, seconds * 45.0 + 45.0, TransformTarget.MODEL)
+                drawer.translate(0.0, 0.0, 9.0, TransformTarget.VIEW)
+                drawer.shadeStyle = shadeStyle {
+                    fragmentTransform = """
+                        x_fill.rgb = normalize(v_viewNormal) * 0.5 + vec3(0.5);
+                    """.trimIndent()
+                }
+
+                drawer.vertexBuffer(vb, DrawPrimitive.TRIANGLES)
+                drawer.stroke = ColorRGBa.WHITE
+                drawer.strokeWeight = 1.0
+
+                drawer.shadeStyle = shadeStyle {
+                    vertexTransform = """
+                        x_projectionMatrix[3][2] -= 0.001;
+                    """.trimIndent()
+                }
+
+                drawer.strokeWeight = 1.0
+                drawer.paths(paths.mapIndexed { index, it ->
+                    it.sub(
+                        0.0, cos(seconds * 0.5 + index * 0.5) * 0.5 + 0.5
+                    )
+                })
+            }
+        }
+    }
+}