patriciogonzalezvivo

Please consider using http://lygia.xyz instead of copy/pasting this functions. It expand suport for voronoi, voronoise, fbm, noise, worley, noise, derivatives and much more, through simple file dependencies. Take a look to https://github.com/patriciogonzalezvivo/lygia/tree/main/generative

Generic 1,2,3 Noise

float rand(float n){return fract(sin(n) * 43758.5453123);}

float noise(float p){
	float fl = floor(p);
  float fc = fract(p);

alcatrazEscapee

Update

You can now read this document / article, at https://alcatrazescapee.com/rivers/. It will be updated further there. The original content is still here, below

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Why Are Rivers So Complicated?

Let's narrow that down a bit. This document will try to explain some of the difficulties, limitations, and possible ways to generate rivers in Minecraft. There have been many papers, articles, and other medium which have generated realistic rivers to great success. So what makes Minecraft so much more difficult, or what makes these other methodologies so difficult? And what methods have found success?