Modify PlanarBezierCurve
Replace PlanarBezierCurve.initial.getXCoordinates w/ PlanarBezierCurve.initial.getXControlCoordinates
Replace PlanarBezierCurve.initial.getYCoordinates w/ PlanarBezierCurve.initial.getYControlCoordinates
Modify PlanarBezierCurve