mr_pinc Posted November 3, 2017 Share Posted November 3, 2017 We're following this guide to export from Max using GLTF - https://doc.babylonjs.com/resources/3dsmax_to_gltf It works fine except there's nothing about ambient occlusion. Substance Painter puts AO into the R channel of the MetallicRoughness map. Is there a way to do this in 3DSMax as well? Quote Link to comment Share on other sites More sharing options...
GameMonetize Posted November 3, 2017 Share Posted November 3, 2017 I created this issue for you: https://github.com/BabylonJS/Exporters/issues/17 Just a question, where is store the ambient occlusion in 3dsmax? Quote Link to comment Share on other sites More sharing options...
mr_pinc Posted November 3, 2017 Author Share Posted November 3, 2017 This is the thing, there is no place in max to store the ambient occlusion. Your renderer will generate it for you. Maybe there is a map channel that is rarely used that could be suitable. I'm not a Max expert so if you need more info I can consult with someone on my team. Quote Link to comment Share on other sites More sharing options...
GameMonetize Posted November 3, 2017 Share Posted November 3, 2017 Ok let us know so we can export it from where it will be Quote Link to comment Share on other sites More sharing options...
mr_pinc Posted November 3, 2017 Author Share Posted November 3, 2017 My artist is recommending the 'Diffuse Roughness' channel. This works for us though, the community may have different thoughts. Quote Link to comment Share on other sites More sharing options...
GameMonetize Posted November 6, 2017 Share Posted November 6, 2017 Sounds good to me as well Quote Link to comment Share on other sites More sharing options...
noalak Posted November 14, 2017 Share Posted November 14, 2017 Hi mr_pinc, The ambient occlusion is now exported from diffuse roughness map of a Physical material. However, the AO is not added to the R channel of the MetallicRoughness map. Instead it follows glTF specifications and the AO texture is referenced by "occlusionTexture" attribut. Exporter dlls have been updated to include this feature. Have a nice day! Quote Link to comment Share on other sites More sharing options...
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