collider | 用于计算到附加到该 Rigidbody2D 的所有碰撞体的最小距离的碰撞体。 |
ColliderDistance2D
collider
到附加到该 Rigidbody2D 的所有碰撞体的最小距离。
计算 collider
到附加到该 Rigidbody2D 的所有 Collider2D 的最小距离。
将检查提供的 collider
与附加到该 Rigidbody2D 的所有 Collider2D,并返回到所有附加的 Collider2D 的最小距离。
要使返回的 ColliderDistance2D 有效,必须提供有效的 collider
和至少一个附加到该 Rigidbody2D 的 Collider2D,也就是说,Collider2D 不应禁用、必须包含碰撞形状,并且提供的 collider
不应为 NULL。可以通过检查 ColliderDistance2D.isValid 来检查返回的值是否有效。
另请参阅:Physics2D.Distance 和 Collider2D.Distance。
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