let a = 0.0;
let x=0;
let y=0;
let r=60;
function setup() {
createCanvas(600, 600);
background(10)
//colorMode(HSB,360,100,100)
}
function draw() {
//fill(random(30),random(360),random(360))
r=random(300)
a++;
fill(255,25)
y=r*sin(radians(a))+250;
x=r*cos(radians(a))+250;
rect(x,y,60,50);
}
<script src='https://cdn.jsdelivr.net/npm/p5@1.1.9/lib/p5.min.js'></script>