void setup() { size(300, 200); smooth(); } void draw() { background(0); float speed = dist(mouseX, mouseY, pmouseX, pmouseY); float diameter = speed * 3.0; ellipse(50, 50, diameter, diameter); ellipse(150, 150, diameter, diameter); ellipse(230, 80, diameter, diameter); ellipse(280, 100, diameter, diameter); ellipse(10, 170, diameter, diameter); }