Home › Forums › Bug Reports and Feature Requests › AO map flipped after GLTF export
I have a 3D model where the AO map is in a different UV space.
This model is correctly loaded into the scene
But after exporting the scene, the AO map is vertically flipped
that’s because v3d.js creates new textures with flipY = true by default. Why? Maybe it’s a kind of a joke )))
flipY = true
GLTF and USDZ exporters issue with AO map
Indeed, glTF uses the DirectX format for textures while WebGL follows OpenGL’s. We’ll try to fix this for the next update which we planned for tomorrow.
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Changing this.flipY from true to false in the class Texture completely removes the propblem with the occlusion/roughness/metallic texture which is generated by the V3D GLTF exporter.
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