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Submitted by , posted on 29 October 2001



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I always wondered what a depth buffer could look. I had a good idea but i thought that actually see one could be cool. So here is my little 2 cents to the IOTD afficionados :).

The engine being developped under OpenGL, i used the glReadPixels to extract the raw depth buffer data then some resampling are needed to get RGB values. I used the devil image lib (www.imagelib.org) to save the final data. The pic where white visually means far array is the actual one, the other one was cool enough to be showed too ;)

The image is taken from my current personnal game project Djidjoo (www.lightsphere.net). Except that the landscape geometry can be modified in real time with the mouse, the engine has no exciting feature. It's a very simple/basic engine using very well known OpenGL techs (Vertex Array + strips, multitexturing, lighting), 3ds (lib3ds.sourceforge.net) and md3 files are used for objects/characters. Some state variables can be enabled/disabled/configured through a console.

I only hope to release the final game one day :).

Enjoy....



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