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When i try export scene from blender to three.js , json file has large size, but the same scene export to babylon.js has size less. Why so?

Dima
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  • Please provide more details in your question, for example the addon your are using. – lucblender Sep 05 '17 at 10:32
  • https://github.com/mrdoob/three.js/tree/master/utils/exporters/blender https://github.com/BabylonJS/Babylon.js/tree/master/Exporters/Blender – Dima Sep 05 '17 at 10:47
  • The same scene. When exporting for three.js file size - 40mb. When exporting for babylon.js file size - 6mb. – Dima Sep 05 '17 at 12:41
  • Just with a quick search on google you find that three.js and babylon.js construction is pretty different, you can't really compare them – lucblender Sep 06 '17 at 00:53

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There are many reasons this could happen:

  • three.js and babylon.js formats are just different, and may encode things in different ways
  • the three.js exporter may be including extra data that isn't in the babylonjs file like normals or tangents (whether that's data you want or not, who knows)

tl;dr this is fine and normal. Whichever engine you decide to use, both support many formats (FBX, glTF, OBJ) and some may be more efficient than either JSON format. glTF and Draco are may give smaller sizes, in particular.

Don McCurdy
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