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TU Wien Rendering #7 – Ray-Sphere Intersection
We learn how to compute where a ray of light intersects a sphere. The advantages of parametric equations over the classical implicit...
Tag: global illumination
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TU Wien Rendering #8 – Surface Normals
To be able to perform shading on an object, we have to compute surface normals. It’s not so tricky, one only has to be able to...