SOURCE

   let a=0;
   let b=0
   let c=0
   
   function setup(){
       createCanvas(600,600);
       colorMode(HSB,120,50,70);
       background(a,b,c+35);
}

function draw(){
      fill(a,b,c+120);
      stroke(a,b+50,c+70);
      strokeWeight(3);
      fill(a+120,b+23,c+12);
      ellipse(220,160,240,230);//脸
      fill(a+153,b+51,c+0);
      ellipse(230,190,190,170);//小圆
      fill(0,0,0)
      ellipse(180,90,30,50);
      fill(0,0,0)
      ellipse(270,83,28,45)
      rotate(PI/100);
      rotate(-PI/50);

  fill(255,0,0)
  ellipse(232,145,30,30)
  noFill();

  line(232,160,235,210)
  line(235,210,200,230)
  line(235,210,268,218)//嘴巴
}