Path tracing a cornell box in Javascript
Last Saturday I have released my little javascript pathtracer that rendered a very simple scene. This time I want to show off some of the more advanced effects that can be simulated nicely using path tracing. I decided to set up a scene similar to the well known Cornell Box to demonstrate effects such as soft shadows, color bleeding, reflection, refraction and caustics. I did not include Depth of
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Line counts disclude comments and blanks and lines with only single braces/parentheses. Speed measurements were done on a Core2-Duo Mac, using the roomfront (non-sun) model. They are just rough indications. ‘Paths’ actually also send a ‘shadow ray’ at each node – so twice the paths-per-second would give general basic ray-traces/intersections-per-second. C was faster than C++ probably mostly becaus
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Efficiency Issues for Ray Tracing
http://www.uni-koblenz.de/~ritschel/
