Composite Attractor2

function setup() {

  createCanvas(w=720, h=w);

  colorMode(HSB);

  background(100);

  push();

  strokeWeight(1);

  stroke(0, 0.15);

  fill(0,0);

  translate(w/2, h/2);

  //Attractor Parameter

  let a0 = PI*random(-1,1);

  let b0 = PI*random(-1,1);

  let c0 = PI*random(-1,1);

  let d0 = PI*random(-1,1);

​

  let a1 = PI*random(-1,1);

  let b1 = PI*random(-1,1);

  let c1 = PI*random(-1,1);

  let d1 = PI*random(-1,1);

​

  let a2 = PI*random(-1,1);

  let b2 = PI*random(-1,1);

  let c2 = PI*random(-1,1);

  let d2 = PI*random(-1,1);

  //Draw Parameter

  let draw_scale = 60;

  let N = 300000;

  let x = random(-1,1);

  let y = random(-1,1);

​

  for(let i=0;i<N;i++){

    let I = random([0, 1, 2]);

​

    let dx, dy;

    switch(I){

      case 0:

        //Peter De Jong Attractor

        dx = sin(a0*y) + cos(b0*x);

        dy = sin(c0*x) + cos(d0*y);

        break;

      case 1: 

        //Clifford Attractor

        dx = sin(a1*y) + c1*cos(a1*x);

        dy = sin(b1*x) + d1*cos(b1*y);

        break;

      case 2: 

        //Jason Rampe 1st Attractor

        dx = cos(b2*y) + c2*sin(b2*x);

        dy = cos(a2*x) + d2*sin(a2*y);

        break;

      default: break;

    }

​

    x = dx;

    y = dy;

​

    point(draw_scale * x, draw_scale * y);

  }

  pop();

}

//save PNG

function keyPressed() {

  let name = "img_" + month() + day() + hour() + minute() + second();

  save(name + ".png");

}