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");
}
}
}
}