| position | 要在此刚体上找到与之最接近的点的位置。 |
Vector2
附加到此刚体的碰撞体周边上最接近指定 position 的点。
返回附加到此刚体的所有已启用碰撞体周边上最接近指定 position 的点。
通过此函数能够计算指定 position 与附加到此刚体的任何已启用 Collider2D 类型周边最接近的点。
如果 position 处于附加到此刚体的任何已启用 Collider2D 内部，则改为返回输入 /position/。
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