Video: 0026_assemble_firework_3
Phase transition: merge
State before: solid:non_particulate:rigid body
State after: solid:non_particulate:rigid body
Object: In the process of assembling the gun, the gun parts which at the left hand in the initial frame
目标物体: 在组装枪支的过程,位于初始帧中左手的枪支部件