let a = 0.0;
let x=0;
let y=0;
let r=90
let t=0;
let c=0
function setup() {
createCanvas(800, 500);
colorMode(HSB,190,33,36);
background(0);
}
function draw() {
a+=2;
c+=1;
if(c>120){
c=0;
}
noStroke();
fill(c,120,150);
r=noise(t);
r=map(r,0,1,50,200);
t+=0.001;
y=r*sin(radians(a))+250;
x=r*cos(radians(a))+250;
ellipse(x,y,1,50);
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.1.9/p5.min.js"></script>