cocos creator 点击区域不规则图形判断

  let pos = target.convertToNodeSpace(e.getLocation())
            var polygonCollider = target.getComponent(cc.PolygonCollider);

            pos.x -= target.getContentSize().width / 2;
            pos.y -= target.getContentSize().height / 2;

            if(!cc.Intersection.pointInPolygon(pos, polygonCollider.points)){
                return
            }

参考https://my.oschina.net/u/4370408/blog/3637441