I use picking for my collision detection and I'm trying to get the normal of the wall I'm stopping at.
Here's the code I use: ------------------------------------------------------------------------------------ Node pickNode = picked.getObject(); Geometry curGeom = ((Shape3D)pickNode).getGeometry(); GeometryArray curGeomArray = (GeometryArray) curGeom;
Vector3f normalVec = new Vector3f(); curGeomArray.getNormal(0, normalVec);
System.out.print(picked); ------------------------------------------------------------------------------------ So, when I stop at a wall, I get an error message which tells me the geometry doesn't have a normal...what could be the problem? I use QuadArray for the walls, and I tried setting the flag QuadArray.GENERATE_NORMALS, and QuadArray.NORMALS, then using setNormal(int, Vector3f) to set the normal for each vertex..but I still get the same error...
Thank you for your help
Flavius
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