使用GD在地图上的特定点绘制饼图而不绘制矩形或椭圆形。

Instead of rectangles or ellipses, draw pie charts using GD at specific points on the map.

youdao

我不希望使用的瓷砖，这与矩形碰撞和这样更容易究其原因，是因为会有复杂的角落，而不是一切都将是长方形。

The reason I don't want to use tiles, which are much easier with rectangle collision and such, is because there will be complex corners and not everything will be rectangle.

youdao