void R3Box::
Transform (const R3Matrix& matrix)
{
// Do not transform empty box
if (IsEmpty()) return;
// Transform box
R3Box tmp = R3null_box;
tmp.Union(matrix * Corner(0,0,0));
tmp.Union(matrix * Corner(0,0,1));
tmp.Union(matrix * Corner(0,1,0));
tmp.Union(matrix * Corner(0,1,1));
tmp.Union(matrix * Corner(1,0,0));
tmp.Union(matrix * Corner(1,0,1));
tmp.Union(matrix * Corner(1,1,0));
tmp.Union(matrix * Corner(1,1,1));
*this = tmp;
}
void R3Box::
Transform (const R3Transformation& transformation)
{
// Do not transform empty box
if (IsEmpty()) return;
// Transform box ???
R3Box tmp = R3null_box;
for (RNOctant octant = 0; octant < RN_NUM_OCTANTS; octant++) {
R3Point corner(Corner(octant));
corner.Transform(transformation);
tmp.Union(corner);
}
*this = tmp;
}