Question

JavaScript => static function OverlapCircleAll(point: Vector2, radius: float, layerMask: int = DefaultRaycastLayers, minDepth: float = -Mathf.Infinity, maxDepth: float = Mathf.Infinity): Collider2D[];
C# => static Collider2D[] OverlapCircleAll(Vector2 point, float radius, int layerMask = DefaultRaycastLayers, float minDepth = -Mathf.Infinity, float maxDepth = Mathf.Infinity);

Parameters 参数

point	Centre of the circle. 圆的中心点。
radius	Radius of the circle. 圆的半径。
layerMask	Filter to detect Colliders only on certain layers. 只在某些层过滤检测碰撞器。
minDepth	Only include objects with a Z coordinate (depth) greater than this value. 只包括Z坐标(深度)大于这个值的对象。
maxDepth	Only include objects with a Z coordinate (depth) less than this value. 只包括Z坐标(深度)小于这个值的对象。

Description 描述

Get a list of all colliders that fall within a circular area.
获取一个列表包括所有碰撞器，那些碰撞器是落入一个圆形区域中的才行。

This function is similar to OverlapCircle except that all colliders that fall within the circle are returned. The colliders in the returned array are sorted in order of increasing Z coordinate. An empty array is returned if there are no colliders within the circle.
这个函数与OverlapCircle类似，不同的是这个函数会返回所有落入矩形区域的碰撞器。碰撞器在返回的数组中会被用Z坐标排序。如果没有碰撞器在区域内，就会返回一个空的数组。

Note that this function will allocate memory for the returned Collider2D array. You can use OverlapCircleNonAlloc to avoid this overhead if you need to make the check frequently.
注意这个函数会分配内存给返回的Collider2D数组。在需要频繁做这个检测的时候，你可以使用OverlapCircleNonAlloc这个函数去避免这些开销。

See Also: OverlapCircle, OverlapCircleNonAlloc.