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[JeGX]

Here is a tutorial that shows how to implement fog in OpenGL Shading Language. Fog equations are explained and per-vertex and per-pixel fog GLSL shaders are detailed. Several simple demos using Demoniak3D are provided to illustrate all concepts.



LINK: http://www.ozone3d.net/tutorials/glsl_fog/

[Bonanza]

Hi,
cool Stuff, but what means this:
float z = gl_FragCoord.z / gl_FragCoord.w;
is gl_FragCoord.w not always 1.0 ??

[ailema]

wow cool hope I can do that too , I will practice that