// Example 04-03 from "Getting Started with Processing" 
// by Reas & Fry. O'Reilly / Make 2010

size(480, 120);
smooth();
line(0, 0, width, height);  // Line from (0,0) to (480, 120)
line(width, 0, 0, height);  // Line from (480, 0) to (0, 120)
ellipse(width/2, height/2, 60, 60);
