contactFilter | 接触筛选器,用于以不同方式筛选结果,例如按层遮罩、Z 深度。注意,法线角度不用于重叠测试。 |
results | 用于接收结果的数组。该数组的大小决定可返回的结果的最大数量。 |
int
返回放置在 results
数组中的结果数。
获取与附加到该 Rigidbody2D 的所有碰撞体重叠的所有碰撞体的列表。
整数返回值是与 collider
重叠的碰撞体数,这些碰撞体可存储在所提供的给定了长度的数组中。如果结果数组中没有足够的元素来报告所有这些结果,则不会调整数组的大小。其意义在于不为这些结果分配内存,因此,如果经常进行检查,可以提高垃圾收集性能。
另请参阅:Physics2D.OverlapCollider、Collider2D.OverlapCollider 和 Rigidbody2D.GetAttachedColliders。
contactFilter | 接触筛选器,用于以不同方式筛选结果,例如按层遮罩、Z 深度。注意,法线角度不用于重叠测试。 |
results | 用于接收结果的列表。 |
int
返回放置在 results
列表中的结果数。
获取与附加到该 Rigidbody2D 的所有碰撞体重叠的所有碰撞体的列表。
该整数返回值是写入到 results
列表中的结果数。如果结果列表中没有足够的元素来报告所有这些结果,则会调整列表的大小。这可在 results
列表无需调整大小时防止为结果分配内存,可在经常执行查询时提高垃圾收集性能。
另请参阅:Physics2D.OverlapCollider、Collider2D.OverlapCollider 和 Rigidbody2D.GetAttachedColliders。
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