16,959 reputation
23469
bio website sam.zoy.org
location Paris, France
age 36
visits member for 3 years, 9 months
seen 3 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.


Oct
30
revised Why is Euler integration sometimes preferred over RK4 even if RK4 is more accurate?
edited title
Sep
15
revised Unity3D - How to tessellate 2D sprites?
typo
Jul
24
revised Changing the color of some fragment of a texture using shaders
shorter code
Jul
1
revised How can I determine the extreme color values in a texture?
add an explanation picture
Jun
26
revised How can I simplify this code to compute the shortest rotation between two angles?
suggest another version
Jun
4
revised Convert vector interpolation to quaternion interpolation? (Catmull-Rom)
explain the time values
May
29
revised How to rotate a set of points on z = 0 plane in 3-D, preserving pairwise distances?
spare a function call
May
29
revised How to rotate a set of points on z = 0 plane in 3-D, preserving pairwise distances?
fix syntax
May
29
revised How to rotate a set of points on z = 0 plane in 3-D, preserving pairwise distances?
give the solution to the question that wasn’t really asked…
Apr
1
revised How to use mocaps in your game if they don't loop smoothly?
reword a few things
Mar
6
revised From Position/Target to Orientation/Elevation
nicer code
Jan
20
revised Physics engine deltaTime and force acceleration
fix typo in the code!
Jan
17
revised Should the Oj lobe of a Lafortune shader cause the light to be displaced?
re-do drawings
Jan
17
revised Should the Oj lobe of a Lafortune shader cause the light to be displaced?
added 34 characters in body
Jan
14
revised How can I compute the common points when spheres intersect?
use Unicode subscript and add pseudocode
Jan
2
revised Keep rasterized pixel amount constant
upload a larger image
Dec
19
revised Why not use vectors to represent orientation?
add more divisions to the operation count
Dec
3
revised Why would a borderless full-screen window stutter occasionally?
minor title rewording
Sep
20
revised XNA Calculate two points of triangle with given Z
add z0 variable to algorithm
Sep
4
revised “Align” a rotation to a direction
reformat code