OpenGL Discussion and Help Forums - Math and Algorithms
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Discussion about 3D math and linear algebra that is essential as a background to OpenGL codingenWed, 07 Oct 2015 08:37:46 GMTvBulletin60https://www.opengl.org/discussion_boards/images/misc/rss.pngOpenGL Discussion and Help Forums - Math and Algorithms
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Tesselate triangle
https://www.opengl.org/discussion_boards/showthread.php/197688-Tesselate-triangle?goto=newpost
Wed, 07 Oct 2015 04:22:22 GMTHi!
Say, I want to increase detalization of a mesh to make a model smoother.
I want to do this by a simple iterative approach: if a certain edge...Hi!
Say, I want to increase detalization of a mesh to make a model smoother.

I want to do this by a simple iterative approach: if a certain edge with vertices Va and Vb and normals Na and Nb has an angle between those normals higher than X degrees, I break that edge on two by inserting an extra vertex Vm. It is required that normal Nm at this vertex is equal: Nm=normalize(Na+Nb). So how do I determine the coordinates of that extra vertex Vm?

Should be a trivial task, but I had a hard time searching for a solution... :(
]]>Math and AlgorithmsYandersenhttps://www.opengl.org/discussion_boards/showthread.php/197688-Tesselate-triangle3D Poisson distribution
https://www.opengl.org/discussion_boards/showthread.php/197649-3D-Poisson-distribution?goto=newpost
Sun, 27 Sep 2015 01:59:01 GMTIs it possible to use C++'s poisson_distribution to sample 3D points within an axis- aligned cube?
]]>Math and Algorithmsalexxihttps://www.opengl.org/discussion_boards/showthread.php/197649-3D-Poisson-distribution