// Learning Processing
  // Daniel Shiffman
  // http://www.learningprocessing.com
  
  // Example 15-2: Image "sprite"
  
  PImage head; // A variable for the image file
  float x,y;   // Variables for image location
  float rot;   // A variable for image rotation
  
  void setup() {
    size(200,200);
    
    // Load image, initialize variables
    head = loadImage("face.jpg");
    x = 0.0;
    y = width/2.0;
    rot = 0.0;
  }
  
  void draw() {
    background(255);
    
    // Translate and rotate
    translate(x,y);
    rotate(rot);
    
    // Images can be animated just like regular shapes using variables, translate(), rotate(), and so on.
    image(head,0,0); 
    
    // Adjust variables for animation
    x += 1.0;
    rot += 0.02;
    if (x > width+head.width) {
      x = -head.width;
    }
  }