@ Pure public Point2d getPointAt ( int index ) { final int count = getPointCount ( ) ; int idx = index ; if ( idx < 0 ) { idx = count + idx ; } if ( idx < 0 ) { throw new IndexOutOfBoundsException ( idx + "<0" ) ; //$NON-NLS-1$ } if ( idx >= count ) { throw new IndexOutOfBoundsException ( idx + ">=" + count ) ; //$NON-NLS-1$ } return new Point2d ( this . pointCoordinates [ idx * 2 ] , this . pointCoordinates [ idx * 2 + 1 ] ) ; }
Replies the specified point at the given index .