设置复合碰撞体,以便为由凸多边形组成的合并碰撞体几何体生成封闭轮廓。
多边形几何体等同于使用 PolygonCollider2D,合并的其他碰撞体形成多边形轮廓,然后分解成多个凸多边形,从而形成一个封闭的复合轮廓。此封闭轮廓的内部注册碰撞或触发器。
这通常是可使用的最低效几何体,因为它生成多个形状或边缘。这种多形状会导致不必要的碰撞,不必要的碰撞是两个分离的碰撞体接触的情况,即使它们完美对齐也是如此。如果需要检测复合轮廓的内部,例如在使用触发器时,才使用此几何体类型。
通过形成复合碰撞体而导致的任何内部孔不注册任何碰撞或触发器。
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