Topic Lights branch - complete!
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In Response to PeterW
No - and yes, that *would* be the ideal formula. Two problems though:
1. Normals are signed, so we need to put several "-0.5 * light strength" in there. No big problem, I implemented that in the alternate-lights branch.
2. The sum of all light strengths would overflow. That's harder to get around.
1. Normals are signed, so we need to put several "-0.5 * light strength" in there. No big problem, I implemented that in the alternate-lights branch.
2. The sum of all light strengths would overflow. That's harder to get around.
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