Continued Ruminations - OpenProcessing

mySketch
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let palettes = [
        {
    name: "CUPCAKE",
    colors: ['#996DD9','#6DD6D6','#575757','#CBCBCB'],
      },
        {
    name: "PUEBLO",
    colors: ['#EAA388','#FF7878','#575757','#CBCBCB'],
      },
        {
        name: "SIXTY FEET UNDER",
    colors: ['#444DA0','#449FA0','#7755BB','#CBCBCB'],
      },
        {
        name: "DREARY RACE",
    colors: ['#CFAFB1','#AFBFCF','#CFC8AF','#AEAEAE'],
      },
        {
        name: "SPOOKY",
    colors: ['#414141','#7755BB','#996DD9','#AA99C9'],
      },
        {
        name: "RACE DAY",
    colors: ['#D12D35','#3478BC','#F8D86E','#000000'],
      },
        {
        name: "MAGMA",
    colors: ['#D12D35','#CFAFB1','#F8D86E','#CFC8AF'],
      }
];
let width, height, chance, x1c, y1c, x1, y1, x2, y2, x2c, y2c, xp, yp, xt, yt, a, steps, t, fr, fr2, palette, colors, lines, v,sw;
​
function setup() {
  let m = int(random(0,palettes.length));
  palette = palettes[m].name;
  colors = shuffle(palettes[m].colors);
  width = 600;
  height = 600;
  createCanvas(width, height);
  background('#E4E4E4');
  fill(color(colors[0]));
  square(0,0,600);
  fr = int(random(2,10));
  
  if(random([0,1])==1){
    fr2 = fr-fr/2;
  }
  else {
    fr2 = fr*2;
  }
  
  // gradient framing
  for (x = width/fr; x < width - width/fr; x++) {
    for (y = height/fr; y < height - height/fr; y++) {
      chance = random(0,1);
      stroke(colors[1]);
      strokeWeight(random(0,2));
      if(chance > .5) point(x, y);
    }
  }
  
  fill0 = color(colors[0]);
  fill0.setAlpha(127);
  
  fill2 = color(colors[2]);
  fill2.setAlpha(127);
  
  fill3 = color(colors[3]);
  fill3.setAlpha(127);
  
  strokeWeight(4);
  
  // leaf
  //bezier(400,300,300,300,400,400,400,300);
  
  strokeWeight(10);
  lines = int(random(5,100));
  for(let i=0;i<lines;i++){
    
    sw = random([0,2,3]);
    if(sw==0){
    stroke(fill0);
    fill(fill0);
    } 
    else if(sw==2)
    {
    stroke(fill2);
    fill(fill2);
    }
    else{
    stroke(fill3);
    fill(fill3)
    }
    
    x1c = random(width/fr2,width-width/fr2); 
    y1c = random(height/fr2,height-height/fr2); 
    x1 = random(width/fr2,width-width/fr2); 
    y1 = random(height-height/(fr2/2),height-height/fr2);
    x2 = random(width/fr2,width); 
    y2 = random(height/fr2,height/(fr2/2));
    x2c = random(width/fr2,width); 
    y2c = random(height/fr2,height);
    
    curve(x1c,y1c,x1,y1,x2,y2,x2c,y2c);
   
    steps = int(random(5,500));
    for (let i2 = 0; i2 <= steps; i2++) {
      t = i2 / steps;
      xp = curvePoint(x1c, x1, x2, x2c, t);
      yp = curvePoint(y1c, y1, y2, y2c, t);
      xt = curveTangent(x1c, x1, x2, x2c, t);
      yt = curveTangent(y1c, y1, y2, y2c, t);
      a = atan2(yt, xt);
      a -= PI / 2.0;
      v = int(random(5,25));
      line(xp-cos(a)*v,yp-sin(a)*v,cos(a)*v+xp,sin(a)*v+yp);
    } 
  }
}
​