Baker Xiao Posted September 7, 2017 Share Posted September 7, 2017 Hi, We noticed something weird when loading a model into the scene. See https://www.babylonjs-playground.com/#EBEEZ9 for a repro. We can consistently repro with Chrome on Mac. If you just run the scene multiple times without changing anything, you will see two possible outcome: 1. Stick pointing down, and rendering is correct 2. Stick pointing up, and all the triangles seem to become backfaces and are being culled. It's as if the whole model got inverted. Any idea what it might be? Quote Link to comment Share on other sites More sharing options...
GameMonetize Posted September 7, 2017 Share Posted September 7, 2017 Hello I do not repro #1 but constantly #2. The problem of #2 is related to bone matrix which has a negative determinant. Not a big deal though as Babylon.js can handle that https://www.babylonjs-playground.com/#EBEEZ9#1 Quote Link to comment Share on other sites More sharing options...
Baker Xiao Posted September 7, 2017 Author Share Posted September 7, 2017 23 minutes ago, Deltakosh said: Hello I do not repro #1 but constantly #2. The problem of #2 is related to bone matrix which has a negative determinant. Not a big deal though as Babylon.js can handle that https://www.babylonjs-playground.com/#EBEEZ9#1 Oh interesting... thanks a lot for the help! Quote Link to comment Share on other sites More sharing options...
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