public void pointAt(Vector3D pos) { }
public void prepend(Vector3D rhs) { }
public void pointAt(Vector3D pos, Vector3D at) { }
public Vector3D deltaTransformVector(Vector3D v) { return v; }
public void appendRotation(float degrees, Vector3D axis) { }
public void appendRotation(float degrees, Vector3D axis, Vector3D pivotPoint) { }
public Vector3D transformVector(Vector3D v) { return v; }