public override Vector3d Project(Vector3d vPoint, int identifier = -1)
{
Vector3d vTargetPt = SourceToTargetXForm.TransformP(vPoint);
Vector3d vTargetProj = base.Project(vTargetPt, identifier);
return(TargetToSourceXForm.TransformP(vTargetProj));
}
/// <summary>
/// Apply Transform to vertices and normals of mesh
/// </summary>
public static void PerVertexTransform(IDeformableMesh mesh, TransformSequence xform)
{
int NV = mesh.MaxVertexID;
if (mesh.HasVertexNormals)
{
for (int vid = 0; vid < NV; ++vid)
{
if (mesh.IsVertex(vid))
{
mesh.SetVertex(vid, xform.TransformP(mesh.GetVertex(vid)));
mesh.SetVertexNormal(vid, (Vector3f)xform.TransformV(mesh.GetVertexNormal(vid)));
}
}
}
else
{
for (int vid = 0; vid < NV; ++vid)
{
if (mesh.IsVertex(vid))
{
mesh.SetVertex(vid, xform.TransformP(mesh.GetVertex(vid)));
}
}
}
}
/// <summary>
/// compute axis-aligned bounds of set of points after transforming
/// </summary>
public static AxisAlignedBox3d Bounds(IEnumerable <Vector3d> values, TransformSequence xform)
{
AxisAlignedBox3d box = AxisAlignedBox3d.Empty;
foreach (Vector3d v in values)
{
box.Contain(xform.TransformP(v));
}
return(box);
}