Greenfoot

• How do you make characters move with keys?

  if (Greenfoot.isKeyDown("direction"))

  {

  setRotation(angle);

  move(1);

  }
• How do you make characters move randomly?

  {

  move(1);

  setRotation(Greenfoot.getRandomNumber(360));

  }
• How do you remove an object after a collision?

  if (isTouching(Object.class))

  {

  removeTouching(Object.class);

  }
• How do you get a sound to play?

  Greenfoot.playSound("Name.wav");
• What is the counter code?

  Counter counter = (Counter)getWorld().getObjects(Counter.class).get(0);

  counter.add(No_of_points);