Rotation&random pattern design

function setup() {

  createCanvas(600,600);

  background("#fadc91");

  stroke("#7da8a5")

  var r=4

  for (var i=50;i<600;i+=100){

  for (var j=50;j<600;j+=100){

    var size=(4,7-r)

    r=random(size)

    var angle=[0,8]

    var turn=random(angle)

    push()

    translate(i,j)

    rotate(radians(45*turn))

    fill("#e09889")

    ellipse(0,0,r*20,r*20)

    noStroke()

    fill("#f5c6bc")

    ellipse(0,0,r*16,r*16)

    noFill()

    stroke("#fadc91")

    ellipse(0,0,r*14,r*14)

    for (var a=0;a<24;a++){

    strokeWeight(4)

    strokeCap(ROUND)

    stroke("#7da8a5")

    line(0,0,r*10*cos(a*PI*1/12),r*10*sin(a*PI*1/12)) 

    strokeWeight(2)

    stroke("#91c7c3")

    line(0,0,r*10*cos(a*PI*1/12),r*10*sin(a*PI*1/12)) 

    }

    stroke("#7da8a5")

    fill("#e09889")

    ellipse(0,0,r*5,r*5)

    fill("#f5c6bc")

    ellipse(0,0,r*3,r*3)

    fill("#7da8a5")

    for (var b=0;b<4;b++){

    ellipse(0.7*r*cos(1/2*b*PI),0.7*r*sin(1/2*b*PI),5/7*r,5/7*r)

    }

    ellipse(0,0,2/7*r,2/7*r)

    pop()

  }

}

}