16,521 reputation
23467
bio website sam.zoy.org
location Paris, France
age 36
visits member for 3 years, 7 months
seen 16 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.


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
Sep
3
revised About Octrees Usage
spelling (frustum)