所以如果你有许多希望四处移动并有不同的对象要恰好砸到它们的静态碰撞器，那就用运动学刚体碰撞器吧。

So if you have a lot of Static Colliders that you want to move around and have different object fall on them correctly, use Kinematic Rigidbody Colliders.

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(忽略抓取碰撞)：如果勾选，任何被控制器抓取的物品都不会和游玩区的盒碰撞体及刚体发生碰撞。

Ignore grabbed Collisions: If this is checked then any items that are grabbed with the controller will not collide with the box collider and rigid body on the play area.

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当用户按下开火时，火箭发射器实例一个火箭预置物体。预置物体包含一个网格、刚体、碰撞器和一个子游戏物体包含的粒子系统拖尾。

A rocket launcher instantiates a rocket Prefab when the user presses fire. The Prefab contains a mesh, Rigidbody, Collider, and a child GameObject that contains a trail particle system.

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