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nodejs

load *.obj files and set texture scaling

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Hello folks,

i try load an .obj file and modify the material/texture scaling.
Loading goes well, but not scaling of the textures

When i try to access the material object i get a undefined error.
meshes[0].material is undefined, in the screen shot you can see the property is there.

I dont know what i do wrong


     // first param: ["myMesh1", "myMesh2"]
    // https://doc.babylonjs.com/how_to/load_from_any_file_type
    BABYLON.SceneLoader.ImportMesh("", "./assets/temp/house/", "restaurant.obj", game.scene, function (meshes, particleSystems, skeletons) {
      // do something with the meshes and skeletons
      // particleSystems are always null for glTF assets
      //console.log(meshes, particleSystems, skeletons);

      console.log(meshes[0]);

    });
     

5a75f23603d99_Bildschirmfotovom2018-02-0318-26-45.thumb.png.b3f1032280fd10fe8ef192f1dc3a1927.png

 

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23 hours ago, nodejs said:

meshes[0].material is undefined

If this message in on the onSuccess callback then I would say that your materials are not yet loaded!  I went through the loader to find where the MTL was loaded:
https://github.com/BabylonJS/Babylon.js/blob/master/loaders/src/OBJ/babylon.objFileLoader.ts#L851

The comment above that line says "Load the file synchronously", but I think that's incorrect.  Here's the code that loads the file:
https://github.com/BabylonJS/Babylon.js/blob/master/src/Tools/babylon.tools.ts#L552

So, to answer your question - I don't think the onSuccess will have the materials.  If you really need that then try another format with materials included or so a spin wait and check the materials or maybe it's in one of the progress callbacks?  I use .OBJ, but I excluded the material export as I just found it easier to create my own materials.  Otherwise somebody will hopefully correct me.  Cheers.

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