var draw = function() {
    var f = frameCount;
    background(0, 0, 0);

    var cn = 20 + sin(frameCount) * 10;
    var cd = 10;
    var c1 = color(59, 41, 55);
    var c2 = color(255, 102, 0);
    for (var i = 0; i < cn; i++) {
        fill(lerpColor(c1, c2, i/10));
        ellipse(width/2, height/2, cn*cd - cd*i, cn*cd - cd*i);
    }

    fill(255, 102, 0);
    ellipse(43, 48, 40 + sin(f)*20, 40);

    fill(255, 102, 0);
    ellipse(91, 87, 50 + cos(f)*10, 40);
    
};