Posts Tagged fog

Code Snippet : Fog Shader

In this code snippet we are going to show some simple ways to create a fog like effect in 3D games.
The fog effect is a post process (operates on a full screen quad) that recieves the framebuffer texture (the one with the game rendered content) and a depth texture as main parameters.
The depth texture (used normally in deferred shading) contains the post projected Z/W coordinate of all objects (the Z buffer content actually =P).

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