通常来说就是利用多边形来裁剪多边形的一种方法，一般情况下是利用矩形来裁剪凹凸多边形 这里着重介绍Weiler-Atherton算法，其余不懂的可以先学会再看。 算法步骤 首先绘制两个相交的多边形 对于多边形1，我们从一个点出发，将所有经过的点（包含交点 ...

格隆汇9月14日丨中国驻菲律宾共和国大使馆经济商务处消息，据GMA新闻报道，亚航菲律宾公司今年4季度将停止往返马尼拉和中国的航班，主要原因是该航线需求量低迷。亚航首席执行官伊斯拉（Ricardo ...

The Premier League era has been blessed with some of the greatest centre-half pairings. Arsenal’s William Saliba and Gabriel ...

The riddarasögur (literally 'sagas of knights', also known in English as 'chivalric sagas', 'romance-sagas', 'knights' sagas', 'sagas of chivalry') are Norse prose sagas of the romance genre. Starting ...

Global shares were muted on Wednesday as European stocks moved slightly higher while the main Wall Street indices traded flat as investors awaited the minutes of the US Federal Reserve’s latest ...