Ray Marching and Signed Distance Functions
Ray Marching and Signed Distance Functions I’ve always been fascinated by demoscenes: short, real-time generated audiovisual demos, usually in very, very small executables. This one, by an artist named “reptile”, comes from a 4KB compiled executable. No external assets (images, sound clips, etc.) are used – it’s all in that 4KB. To get a intuitive grip on how small 4KB is, a 1080p video that this
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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