Inigo Quilez
Intro When doing procedural graphics it's always a good idea to add color variation to the elements of the image. From grass blades, to grass clumps, to rocks or trees or hills, all scales of detail benefit from some color variation. In order to achieve this, one can employ different methods of course, but among the cheapest and the most coder-friendly ones there are those based on simple (hard)co
Inigo Quilez
Intro Arround 2002 I made my first attempts to visualize fractal mountains and test procedural texturing. At that time I was not able to raytrace polygons and my rasterization engine was really bad. So I chose to do a "raymarcher" to create some pictures cause it's a really simple technique. What I implemented was a quite brute force thing and was very slow. But it was very simple to code, somethi
Inigo Quilez
Intro Here you will find the distance functions for basic primitives, plus the formulas for combining them together for building more complex shapes, as well as some distortion functions that you can use to shape your objects. Hopefully this will be useful for those rendering scenes with raymarching. You can see some of the results you can get by using these techniques in the raymarching distance
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