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Phillemann2

Switching y and z in a model - textures broken

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Hi

For use in my application, I'm exporting md3 models from blender. Blender defines the z Axis as "up". In my application, I have the y axis as "up". To correct this, I thought I could just swap the y and z coordinates of the exported model when importing it, as in:

vertex = vec3(vertex.x,vertex.z,vertex.y)

Then, however, my textures are somehow "flipped". I suppose I have to transform the texture coordinates as well, but I'm not sure.

Any suggestions?

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Try using -y and/or -z instead. You might also need to change the cull-mode, as switching these things can make back-facing polygons become front-facing.

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