第一人称或第三人称游戏中的角色通常需要一些基于碰撞的物理效果,这样角色就不会跌穿地板或穿过墙壁。但是,通常情况下,角色的加速度和移动在物理上并不真实,因此角色可以不受动量影响而几乎瞬间加速、制动和改变方向。
在 3D 物理中,可以使用__角色控制器__创建此类行为。该组件为角色提供了一个始终处于直立状态的简单胶囊碰撞体。控制器有自己的特殊函数来设置对象的速度和方向,但与真正的碰撞体不同,控制器不需要刚体,动量效果也不真实。
角色控制器无法穿过场景中的静态碰撞体,因此将紧贴地板并被墙壁阻挡。控制器可以在移动时将刚体对象推到一边,但不会被接近的碰撞加速。这意味着可以使用标准 3D 碰撞体来创建供控制器行走的场景,但您不受角色本身的真实物理行为的限制。
可以在参考页面上找到有关角色控制器的更多信息。
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