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computer.raymarching





Arround 2002 I made my first attempts to visualize fractal mountains and test procedural texturing. At that time I was not able to raytrace polygonal data, and my rasterization engine was really bad. So I chosed to do a "raymarcher" to create some pictures. It was a quite brute force thing, not the usual "per pixel column" optimization of the old voxel engines of the demoscene, so it was very slow. In the other hand that allowed me to do some reflection rays and some participating media too. Later one day in 2007 while in hollydays in Spain I decided to install a compiler in my parents computer and started from scratch a little raymarcher and made two more images in one afternoon (that day was my coding dosis for the two weeks Chrismas vacations :) )




Images from 2007:
Images from 2002:



Based on the experiments of 2007 I made a pure procedural image that is generated from a 4 kilobytes executable. The image is the following one (click to enlarge). You can also find a video computed by the same 4k excutable here











iņigo quilez 2002, 2007, 2008