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jianghongbo

About Coordinate Transform?

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Guest Anonymous Poster
If what you're saying is that you want to convert from left hand to right hand coordinate systems then you'll need to negate the x component of the positions and normals in the model for it to come out the same. If you don't then you'll get the model mirrored in the z axis.

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What coordinate system does QuakeIII use? Here is a diagram of 2 popular coordinate systems (DirectX uses left-handed):



If Q3 uses a right-handed system, you simply need to invert the Z values (multiply them by -1).

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