3

let Npattern=70;

function setup() {

  createCanvas(windowWidth, windowHeight);rectMode(CENTER);background(255);

​

​

for(let i =1;i<Npattern;i++){greca(random(width),random(height),random (PI/2),random(0.4),20);}

}

function draw(){//background(255);

}

​

​

function greca(x,y,angolo,scala,N){push();translate(x,y);rotate(angolo);scale(scala);for (let i=1;i<=N;i++){strokeWeight(4);stroke(0);fill(map(i,1,N,0,250),0,0,100);rect(0,0,map(i,1,N,500,0));} pop();

}

​

​