/**
* Constructs a new camera.
*
* @param position The position of the camera
* @param look The direction the camera is looking
* @param up The "up" direction for the camera
*/
public Camera(Vector3d position, Vector3d look, Vector3d up) {
m_position = position;
m_nVector = look;
m_nVector.normalize();
m_vVector = up;
m_vVector.normalize();
m_uVector = m_vVector.cross(m_nVector).normalize();
}
/**
* Moves the camera by the specified displacement in the v direction.
*
* @param delta The displacement by which to move
*/
public void move_v(double delta) {
m_position = Vector3d.scale_add(delta, m_vVector, m_position);
}