// Static API
// Rewrites data in mesh to ensure that it only contains valid particle quads.
internal static void FilterMesh(Mesh mesh, WarningCallback callback)
{
ParticleMesh src = ParticleMesh.FromMesh(mesh);
ParticleMesh dst = new ParticleMesh();
// ClassifyQuad wants at least 6 indices (2 triangles) to examine
int limit = src.TriangleCount - 6;
int iiVert = 0;
while (iiVert < limit)
{
switch (src.ClassifyQuad(iiVert, callback))
{
case ParticleMesh.QuadType.FullParticle:
dst.AppendQuad(src, iiVert);
iiVert += 6;
break;
case ParticleMesh.QuadType.Degenerate:
iiVert += 6;
break;
case ParticleMesh.QuadType.LatterHalfParticle:
iiVert += 3;
break;
case ParticleMesh.QuadType.Unknown:
default:
iiVert += 1;
break;
}
}
dst.CopyToMesh(mesh);
}
