恒定力 (Constant Force) 可用于快速向__刚体__添加恒定力。如果不希望某些一次性对象以较大的速度开始而是逐渐加速(比如火箭),则很适合使用恒定力。
属性: | 功能: |
---|---|
Force | 要在世界空间中应用的力的矢量。 |
Relative Force | 要在对象的局部空间中应用的力的矢量。 |
Torque | 在世界空间中应用的扭矩的矢量。对象将开始_围绕_此矢量旋转。矢量越长,旋转越快。 |
Relative Torque | 在局部空间中应用的扭矩的矢量。对象将开始_围绕_此矢量旋转。矢量越长,旋转越快。 |
要制作一个向前加速的火箭,请将 Relative Force 设定为沿正 z 轴。然后,使用刚体的 Drag 属性使其不超过某个最大速度(阻力越高,最大速度越低)。在刚体中,还要确保关闭重力,以便火箭始终保持在其路径上。
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