CS51 - Fall 2008 - Lecture 10

  • Active Objects
  • class that extends ActiveObject
  • last line in constructor is start()
  • the run() method specifies what the animation should do. Make sure there's a pause statement

  • Two versions of Pong
  • PatheticPong
  • PongPaddleBounded
  • how to get angles, bouncing off walls and paddle
  • passing court and paddle into the constructor for the ball
  • steady rate by using elapsed time

  • Lab3: Boxball
  • Note that there are 3 classes, links to what will be in the starter file at the page above.
  • Design: think carefully about how parameters need to be used.

  • Working with images: Snowman

  • Having multiple classes that extend ActiveObject: FallingLeaves