void Camera::Transform(const TRANSFORM *Trans)
{
MTransPoint(Location, Location, Trans);
MTransDirection(Direction, Direction, Trans);
MTransDirection(Up, Up, Trans);
MTransDirection(Right, Right, Trans);
}
void Transform_Camera(CAMERA *Camera, TRANSFORM *Trans)
{
MTransPoint(Camera->Location, Camera->Location, Trans);
MTransDirection(Camera->Direction, Camera->Direction, Trans);
MTransDirection(Camera->Up, Camera->Up, Trans);
MTransDirection(Camera->Right, Camera->Right, Trans);
}
static void Rotate_Plane (OBJECT *Object, VECTOR, TRANSFORM *Trans)
{
if (((PLANE *)Object)->Trans == NULL)
{
MTransDirection(((PLANE *)Object)->Normal_Vector, ((PLANE *)Object)->Normal_Vector, Trans);
Compute_Plane_BBox(((PLANE *)Object));
}
else
{
Transform_Plane (Object, Trans);
}
}
void Plane::Rotate(const VECTOR, const TRANSFORM *tr)
{
if(Trans == NULL)
{
MTransDirection(Normal_Vector, Normal_Vector, tr);
Compute_BBox();
}
else
{
Transform(tr);
}
}
void LightSource::Transform(const TRANSFORM *tr)
{
DBL len;
MTransPoint(Center, Center, tr);
MTransPoint(Points_At, Points_At, tr);
MTransDirection(Axis1, Axis1, tr);
MTransDirection(Axis2, Axis2, tr);
MTransDirection(Direction, Direction, tr);
/* Make sure direction has unit length. */
len = Direction.length();
if(len > EPSILON)
Direction /= len;
if(!children.empty())
Transform_Object(children[0], tr);
if(Projected_Through_Object != NULL)
Transform_Object(Projected_Through_Object, tr);
}