let freq = 6; 

​

let offset1 = 0; let rez = 5;

​

function setup(){

  createCanvas(400, 400, WEBGL);

  angleMode(DEGREES);

  strokeWeight(1);

  noFill();

}

​

function draw(){

  background(0, 0, 100);

  let x = map(mouseX, 0, width, 0, 360);

  rotateX(30);

  rotateY(60);

​

  for(let sigma = 0; sigma < 360; sigma += 3){

    stroke(255);

    strokeWeight(1);

    beginShape();

    for(let phi = 0; phi < 360; phi += 10){

      // let bump = (1+0.2*sin(phi*freq1)*sin(sigma*freq2));

      let bump = 1+0.2*sin(phi*freq);

      let x = (r0 + r1*bump * cos(phi + offset1)) * sin(sigma);

      let y = r1*bump * sin(phi + offset1);

      let z = (r0 + r1*bump * cos(phi + offset1)) * cos(sigma);

      vertex(x, y, z);

      // ellipse(x, z, 3, 3);

    }

    endShape();

  }

​

​

​

  offset1 += 1;

}

​

​

​

​