3D wireframe mesh scenes rendered in Scene Kit using the SCNGeometryPrimitiveTypeLine enum. The API for SCNGeometryPrimitiveTypeLine is undocumented but a partial example exists in the WWDC 2014 Scene Kit session sample code. The Line enum appears to work only with the built-in primitive geometry shapes. Using it with non-primitive models such as Bruce (Boss.dae) results in a Terminator effect. The character model geometry data seems correct and importing the DAE file into Blender worked (bottom), so this is likely a user error or a bug. SCNGeometryPrimitiveType SCNGeometryPrimitiveTypeTriangles = 0 SCNGeometryPrimitiveTypeTriangleStrip = 1 SCNGeometryPrimitiveTypeLine = 2 SCNGeometryPrimitiveTypePoint = 3 * Source code and assets are from the WWDC 2014 Scene Kit session sample code.
Scene Kit - 3D Wireframe Mesh
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