// Learning Processing
  // Daniel Shiffman
  // http://www.learningprocessing.com
  
  // Example 17-6: Text breaking up 
  
  // A class to describe a single Letter
  class Letter {
    char letter;
    
    // The object knows its original " home " location
    float homex,homey;
    
    // As well as its current location
    float x,y;
    
    Letter(float x_, float y_, char letter_) {
      homex = x = x_;
      homey = y = y_;
      letter = letter_;
    }
    
    // Display the letter
    void display() {
      fill(0);
      textAlign(LEFT);
      text(letter,x,y);
    }
    
    // Move the letter randomly
    void shake() {
      x += random(-2,2);
      y += random(-2,2);
    }
    
    // At any point, the current location can be set back to the home location by calling the home() function.
    void home() { 
      x = homex;
      y = homey;
    }
  }