想要的效果是：主场景的中间一部分区域内从上往下持续滚动文字。不用摄像机的情况下，做出来了。移动所有文字节点，特别浪费性能。
所以想用移动摄像机的方式去做，所以，新增了一个摄像机2，让文字不动，摄像机动。但是发现，中间区域的musk如果和摄像机2不是一个group，就没有musk效果。如果跟摄像机2是一个group，musk就跟文字一样了，原地没动。
项目：归档.zip (30.1 KB)
效果图：
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