/**
* Unproject a point from projection space to world space. If you only know the 2D screen coordinates of the point and not
* its projected depth, use computePickRay().
*
* @see project(), computePickRay()
*/
Vector3 unproject(Vector3 const & projection_space_point) const
{
return frame.pointToWorldSpace(getInverseProjectionTransform() * projection_space_point);
}
/**
* Unproject a point in homogenous coordinates from projection space to world space. If you only know the 2D screen
* coordinates of the point and not its projected depth, use computePickRay().
*
* @see project(), computePickRay()
*/
Vector4 unproject(Vector4 const & projection_space_point) const
{
return frame.toHomMatrix() * (getInverseProjectionTransform() * projection_space_point);
}
/**
* Unproject a point in homogeneous coordinates from projection space to world space. If you only know the 2D screen
* coordinates of the point and not its projected depth, use computePickRay().
*
* @see project(), computePickRay()
*/
Vector4 unproject(Vector4 const & projection_space_point) const
{
return frame.homogeneous() * (getInverseProjectionTransform() * projection_space_point);
}
