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blender-archive/source/blender/render
Janne Karhu f79f9115f2 Fix for [#25899] Renderer can't trace successive total internal reflection
* This was wrong since 2006!
* Raytrace code assumed refractions to go "air -> glass -> air -> glass -> air.." so actually only the first total internal reflection was calculated correctly, but everything after that was wrong.
* Now after a total internal reflection there needs to be an actual refraction before the ray escapes the "glass" object.
2011-02-02 12:04:23 +00:00
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