| as.gltf | Produce glTF objects | 
| as.rglscene | Convert a glTF object to an rglscene or mesh3d object. | 
| extractTexture | Extract a texture file from a glTF object | 
| findEntry | Find a component of a recursive object | 
| getTangents | Use the MikkTSpace code to generate tangent vectors. | 
| Gltf | R6 Class for glTF file objects | 
| gltfWidget | Create a widget for a glTF display. | 
| imports | Imports from rgl | 
| matrixSequence | Print the sequence of matrices affecting an object. | 
| modifyShaders | Edit shader code | 
| playgltf | Play an animated glTF object. | 
| readGLB | Read a GLB file. | 
| readglTF | Read a glTF file | 
| setPBRshaders | Set shaders for physically based rendering. | 
| showTags | Debugging tool: show tags for objects in rgl scene | 
| showtree | Show the tree structure of nodes in a glTF object or rglscene... | 
| writeglTF | Write a glTF or GLB file. | 
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