/**
* Tests if a point p is over a selection point.
*
* @param p point
* @return nearest selection point
*/
public WhiteboardPoint getSelectionPoint(Point2D p) {
WhiteboardPoint givenPoint = new WhiteboardPoint(p.getX(), p.getY());
if (startPoint.distance(givenPoint) < 10) return startPoint;
else if (endPoint.distance(givenPoint) < 10) return endPoint;
return null;
}
