SOURCE

let a=0;
let b=0;
let c=0;
function setup(){
    createCanvas(300,300);
    background(0,20);
}
function draw(){
    background(225,10);
    a+=0.01;
    translate(150,150);
    push();
    fill(0,50,50);
    a+=0.1;
    rotate(a);
    rect(0,0,30,30);
    pop();
    push();
    b+=0.2;
    fill(30,30,0,50);
    rotate(b);
    rect(0,0,50,50);
    translate(4,40);
    pop();
    push();
    c+=0.8;
    fill(80,90,60,100)
    rotate(c);
    rect(0,0,80,80);
   pop();
}

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