question: public static final void reverseWinding ( List < Vector2 > points ) { if ( points == null ) throw new NullPointerException ( Messages . getString ( "geometry.nullPointList" ) ) ; int size = points . size ( ) ; if ( size == 1 || size == 0 ) return ; Collections . reverse ( points ) ; }
target:  Reverses the order of the polygon points within the given list. <p> This method performs a simple list reverse.