* @return CRVector3d vector where X component represents angle towards the object and y component distance
*/
public CRVector3d getRelativeVectorTo(CRVector3d vector_, CRVector3d pivot_) {
CRVector3d tempVector = CRVector3d.subtractVectors(pivot_, vector_);
CRVector3d u = this.getVectorInLocalCoordinateSystem(tempVector);
u.normalize();
//distance from radial border of self to radial border of another object
double distance = Math.hypot(position.x- vector_.x, position.y- vector_.y);
//add direction: