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);

atduskgreg

// Rotation Around a Point
// ***********************
// To acheive rotation around a given point
// - translate to that point
// - rotate
// - then translate back
// (note: in Processing this last step is implicit
//  since draw() resets all transformations
//  each time it runs.)