[orx-mesh] Split MeshData types from orx-obj-loader

orx-mesh/src/commonMain/kotlin/Wireframe.kt

@@ -0,0 +1,13 @@
+package org.openrndr.extra.objloader
+
+import org.openrndr.math.Vector3
+
+fun IMeshData.wireframe(): List<List<Vector3>> {
+    return polygons.map { ip -> ip.toPolygon(this.vertexData).positions.toList() }
+}
+
+fun ICompoundMeshData.wireframe(): List<List<Vector3>> {
+    return compounds.values.flatMap {
+        it.wireframe()
+    }
+}