网上找到个方法说 把 copySceneKitAsets scntool 这两个东西拿出来命令行 编译下 就可以被识别了 可是命令行 报错 如下 ：
./copySceneKitAssets ceshi.scnassets -o ceshi-o.scnassets
copySceneKitAssets: Copy .DS_Store 488956433.684907
copySceneKitAssets: Copy bangbangtang.dae 488956433.691857
copySceneKitAssets: Copy bangbangtang.jpg 488956433.693672
copySceneKitAssets: Copy cangshu.dae 488956433.698406
copySceneKitAssets: Copy cangshu.jpg 488956433.703207
copySceneKitAssets: Running scntool on ceshi-o.scnassets/bangbangtang.dae 488956433.704421
2016-06-30 13:13:53.796 scntool[1966:127243] SceneKit: error, _C3DModelPathResolveNode unknown path (mirrored)/matrix
2016-06-30 13:13:53.797 scntool[1966:127243] SceneKit: error, _C3DModelPathResolveNode unknown path (mirrored)/matrix
2016-06-30 13:13:53.797 scntool[1966:127243] SceneKit: error, _C3DModelPathResolveNode unknown path (mirrored)/matrix
2016-06-30 13:13:53.798 scntool[1966:127243] SceneKit: error, _C3DModelPathResolveNode unknown path (mirrored)/matrix
2016-06-30 13:13:53.798 scntool[1966:127243] SceneKit: error, _C3DModelPathResolveNode unknown path (mirrored)/matrix
2016-06-30 13:13:53.798 scntool[1966:127243] SceneKit: error, _C3DModelPathResolveNode unknown path (mirrored)/matrix
2016-06-30 13:13:53.799 scntool[1966:127243] SceneKit: error, _C3DModelPathResolveNode unknown path (mirrored)/matrix
copySceneKitAssets: Running scntool on ceshi-o.scnassets/cangshu.dae 488956433.899049