17,504 reputation
23672
bio website sam.zoy.org
location Paris, France
age 36
visits member for 4 years, 1 month
seen 11 hours ago

I live in Paris, France.

I work on video games (computers and consoles) for a living. I write free software and all kind of crazy shit for fun. My interests: image processing, video coding, rendering, game development, maths, physics, compression, cryptography.


Apr
13
answered Usage of math.Atan2 in a 3D coordinate system with Unity
Apr
11
answered XNA Starting a parallel Thread during a draw loop is slower than doing the same task in the main thread in update loop
Apr
11
revised Quaternion Slerp and Lerp implementation (with overshoot)
better solution for lerp instead of slerp and a few tweaks
Apr
11
answered Bug in XNA Developer function CalculateEigenVector() from the file “xnacollision.cpp”?
Apr
11
answered Quaternion Slerp and Lerp implementation (with overshoot)
Apr
7
comment PRNG/Encripting Algorithum that returns the same number if given the same input?
Dude, this is pseudocode. As I said, just use a different PRNG if you don’t like rand().
Apr
6
comment PRNG/Encripting Algorithum that returns the same number if given the same input?
How much slower exactly?
Apr
4
answered PRNG/Encripting Algorithum that returns the same number if given the same input?
Mar
22
reviewed Close What is the difference between .obj files and Collada files?
Mar
22
reviewed Close Compiling glfw application mingw
Mar
22
reviewed Close FBO and VBO for performance
Mar
22
reviewed Close Creating a 3D mushroom cloud
Mar
4
awarded  Yearling
Feb
20
awarded  Revival
Feb
17
revised Affine transformation: rotate a plane parallel to another plane
typo
Feb
17
comment Affine transformation: rotate a plane parallel to another plane
oops, yes, it should be U! Fixed.
Feb
14
comment Rotating an object with quaternion
Something in your answer must be wrong. The (0,0,1,0) quaternion represents a 180-degree rotation.
Feb
14
answered Rotating an object with quaternion
Feb
14
answered Affine transformation: rotate a plane parallel to another plane
Feb
7
awarded  Enlightened