Processing Evolved

    function setup() {
        let canvas = createCanvas(600, 600, WEBGL);
        canvas.parent('animation-holder');
    resizeAnimation();
    resizeAnimation();
    resizeAnimation();
    }

    function draw() {
        background(135, 206, 250); // Sky blue
        rotateY(frameCount * 0.01); // Rotate counterclockwise
        
        // Add more airplanes
        push();
        translate(0, -height/4, 0); // Move object up
        fill(255, 200, 200);
        ellipse(0, 0, 100, 60);
        fill(255, 0, 0);
        ellipse(-30, 20, 20, 20);
        ellipse(30, 20, 20, 20);
        pop();
        
        push();
        translate(-100, -height/3, 0);
        fill(255, 200, 200);
        ellipse(0, 0, 80, 50);
        fill(255, 0, 0);
        ellipse(-20, 15, 15, 15);
        ellipse(20, 15, 15, 15);
        pop();
        
        push();
        translate(150, -height/5, 0);
        fill(255, 200, 200);
        ellipse(0, 0, 120, 70);
        fill(255, 0, 0);
        ellipse(-40, 25, 25, 25);
        ellipse(40, 25, 25, 25);
        pop();
        
        // Add clouds
        push();
        translate(random(-200, 200), random(height/2, height), 0);
        fill(255);
        ellipse(0, 0, 50, 20);
        ellipse(20, 10, 30, 15);
        ellipse(-15, -5, 40, 20);
        pop();
    }