let h = 0; function setup() { frameRate(30) createCanvas(windowWidth, windowHeight) } function draw() { background(255,0,88); let w = width/270; stroke(200, 200); strokeWeight(3) for (let i=0; i<width; i+=8) { let l = 75*sin(radians(i-h)); let r = 12*sin(radians(i+h)); let p = 4*sin(PI/4+radians(i-h)); stroke(200); strokeWeight(1) line(i*w, 0, i*w, height/2+l); line(i*w+5, height, i*w+5, height/2-l); noStroke() ellipse(i*w, height/2+l, r, r); ellipse(i*w+5, height/2-l, p, p); } h++; }