| force | 力在 X 轴和 Y 轴上的分量。 |
| position | 世界空间中的施力位置。 |
| mode | 用于施加指定力的方法。 |
在空间中的给定位置施加力。
AddForce 函数对准刚体质心施力，因此仅产生位置移动而不产生旋转。AddForceAtPosition 可以在世界空间中的任意位置施加力，通常还会向对象施加致使其旋转的扭矩。注意，在该函数看来，刚体只是一个具有无限大小的坐标空间，因此没有理由要求在对象的图形或碰撞体范围内施加力。
另请参阅：AddForce、AddTorque、AddForceAtPosition、ForceMode2D。
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