let a=0;
function setup() {
createCanvas(500, 500);
background(255);
}
function draw() {
background(255,10);
a+=0.1;
noFill();
push();
stroke(0);
translate(220,220);
rotate(a);
translate(-100,-100);
fill(random(255),120,120);
rect(30,20,70,70);
rect(50,10,20,20);
rect(80,0,200,200);
pop();
}
<script src='https://cdn.jsdelivr.net/npm/p5@1.1.9/lib/p5.min.js'></script>