float a = 100; void setup() { size(1000, 300); stroke(253, 253, 0); framerate(30); } void draw() { stroke(253, 253, 0); background(4,18,183); bezier(0, 100, 400, 0, 800, 250, 1000, 125); bezier(250, 300, 400, 25, 450, 75, 500, 300); fill(253, 253, 0); a = a - 1; if (a < 0) { a = height; } ellipse (750, a, 55, 55); }