Untitled

const canvas = document.getElementById("canvas");
const ctx = canvas.getContext("2d");

const colors = ["#ff0000",
    "#00ff00",
    "#0000ff",
    "#ffff00",
    "#ff00ff"]

const randomColor = colors[Math.floor(Math.random() * colors.length)]
const randomColor2 = colors[Math.floor(Math.random() * colors.length)]

x = screenX;
y = screenY;
let isDrawing = true;

function draw() {

    if (isDrawing = true) {
        x = 20
        y += 20
    }
    ctx.beginPath(),
        ctx.arc(x, y, 10, 0, 2 * Math.PI),
        ctx.stroke(),
        ctx.fillStyle = (randomColor),
        ctx.fill()
}

draw()

setInterval(draw, 500)