| valueA | 一个 Collider2D 使用的摩擦力或弹性值。 |
| valueB | 另一个 Collider2D 使用的摩擦力或弹性值。 |
| materialCombineA | 一个 Collider2D 使用的组合模式。 |
| materialCombineB | 另一个 Collider2D 使用的组合模式。 |
float 碰撞响应中使用的有效摩擦力或弹性值。
计算当两个 Collider2D 接触时，并各自拥有 PhysicsMaterial2D 时使用的有效值。
您可以使用此方法确定当两个 Collider2D 接触时应用的确切摩擦力或弹性值。
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