自动生成三通和四通 gltf-lit 的scale 设置function-type 方式 坐标位置计算有误 <img width="1518" height="914" alt="Image" src="https://github.com/user-attachments/assets/0362c102-cf44-4905-b1f3-651593a5324d" /> [line.html](https://github.com/user-attachments/files/22251772/line.html)
