void setup() { size(893, 50); } void draw() { background(204); fill(0, 76); noStroke(); smooth(); //fill(11, 92, 95, 100); float r = mouseX; float s = mouseY; for (int y = 0; y <= 100; y += 10) { for (int x = 0; x <= 893; x += 10) { ellipse(x + y/8.0, y , map(r, 0, 890, 3, 35), map(s, 0, 50, 3, 20)); } } }