houdini爆炸驱动交互vellum气球

using the outcome of the pyro explosion custom velocity to drive as a force the vellum baloon set to have a nice baloon movement and flying away according to the velocity

利用热爆炸自定义速度的结果，作为一种力，驱动爆炸巴伦巴伦设置为具有良好的驱动运动，并根据速度飞走