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Various jiWindowBox versions only work with XY aligned planes. #2

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roelandschoukens opened this issue Jun 30, 2024 · 0 comments

roelandschoukens commented Jun 30, 2024 •

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This is due to how the I direction is interpreted:

vector objI = transform("object", -I);

If using UV coordinates, we should get the I direction in tangent space:

    vector objI = -vector(
        dot(normalize(dPdu), I),
        dot(normalize(dPdv), I),
        dot(normalize(N), I));

I think this change can be applied to at least the LWOctane and VRay versions. (for the VRay version, this works with zUpAxis checked.)

The text was updated successfully, but these errors were encountered:

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