添加物体到刚性物体的 collection
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.
普适方程用于分析运动物体考虑其变形或由刚体和变形体组成的混合系统的动力学问题是方便的。
Also, the analysis of the movement of deformation body and the dynamic problem of the mixed system, which composed by rigid body and elastic body, are to be resolved by using this universal equation.
对于一维物体的一般刚体运动,给出了把它转化为平移运动的方法。
For the general rigid motion of the 1d object, we give a method to transform it into the translation case.
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