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Add Bézier-patch surface #70

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snogglethorpe opened this issue Oct 22, 2013 · 0 comments

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Rendering Scene

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snogglethorpe commented Oct 22, 2013

These are apparently useful target primitives for subdivision-surface algorithms, that take far less memory than triangle meshes.

It would also make it really easy to have a built-in teapot primitive... :]

Doing this efficiently seems somewhat tricky, but this paper looks interesting:

"A Geometric Algorithm for Ray/Bézier Surfaces Intersection using
Quasi-interpolating Control Net" Yohan D. Fougerolle, Sandrine Lanquetin, Marc Neveu, and Thierry Lauthelier
http://le2i.cnrs.fr/IMG/publications/2188_Fougerolle-RayBezierIntersection.pdf

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