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authorVito Caputo <vcaputo@pengaru.com>2017-08-08 09:42:30 -0700
committerVito Caputo <vcaputo@pengaru.com>2017-08-15 16:46:40 -0700
commitadb76b79d39a185be4659193baff0cb1fe043506 (patch)
treefdc51e2d986e7ef6bd22d0897bdbca10ed51f550 /src/modules/stars
parent760112de102f36ba5aaf16d9e949d0bfa3623175 (diff)
ray: misc computational fixups
ray:object intersection coordinates were incorrectly being computed relative to the ray origin using a subtraction instead of addition, a silly mistake with surprisingly acceptable results. Those results were a result of other minor complementary mistakes compensating to produce reasonable looking results. In the course of experimenting with an acceleration data structure it became very apparent that 3d space traversal vectors were not behaving as intended, leading to review and correction of this code.
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