void update_vertex_frames() { if (VtxFrames == null) { VtxFrames = new Frame3f[BaseMesh.MaxVertexID]; } gParallel.ForEach <int>(BaseMesh.VertexIndices(), (vid) => { VtxFrames[vid] = BaseMesh.GetVertexFrame(vid); }); }
public static void test_normals() { // check that frames are ok DMesh3 mesh = TestUtil.LoadTestInputMesh("bunny_solid.obj"); foreach (int tid in mesh.TriangleIndices()) { Vector3f n = (Vector3f)mesh.GetTriNormal(tid); for (int j = 0; j < 3; ++j) { Frame3f f = mesh.GetTriFrame(tid, j); if (Math.Abs(f.X.Dot(f.Y)) > MathUtil.ZeroTolerancef || Math.Abs(f.X.Dot(f.Z)) > MathUtil.ZeroTolerancef || Math.Abs(f.Y.Dot(f.Z)) > MathUtil.ZeroTolerancef) { throw new Exception("argh"); } Vector3f fn = f.Z; if (fn.Dot(n) < 0.99) { throw new Exception("shit"); } } } MeshNormals.QuickCompute(mesh); foreach (int vid in mesh.VertexIndices()) { Vector3f n = mesh.GetVertexNormal(vid); for (int j = 1; j <= 2; ++j) { Frame3f f = mesh.GetVertexFrame(vid, (j == 1) ? true : false); Vector3f fn = f.GetAxis(j); if (Math.Abs(f.X.Dot(f.Y)) > MathUtil.ZeroTolerancef || Math.Abs(f.X.Dot(f.Z)) > MathUtil.ZeroTolerancef || Math.Abs(f.Y.Dot(f.Z)) > MathUtil.ZeroTolerancef) { throw new Exception("argh"); } if (fn.Dot(n) < 0.99) { throw new Exception("shit2"); } } } }