void ccFacet::applyGLTransformation(const ccGLMatrix &trans)
{
ccHObject::applyGLTransformation(trans);
// move/rotate the center to its new location
trans.apply(m_center);
// apply the rotation to the normal of the plane equation
trans.applyRotation(m_planeEquation);
// compute new d-parameter from the updated values
CCVector3 n(m_planeEquation);
m_planeEquation[3] = n.dot(m_center);
}
