不需要额外建模软件，直接在Unity3D内部为模型添加可控制骨骼 在场景中创建bone 和 bone2两个依托点，bone位运动骨骼bone2为静止骨骼，绑定参考范围通过调整bone 碰撞盒调整(No additional modeling software is required to add controllable bones directly to Unity3D In the scene to create bone and bone2 two relying points