GBDK #10

Learning Outcome

At the end of this lesson, you will be able to:

• make aliens show up and have them move down the screen

Review

• remember: you can only have 40 sprites in total and only 10 in any given row

• so ...

  • ship = 4 sprites

  • missiles = 5 sprites

  • let's make a max of 20 aliens showing up at any given time 

Lesson

• watch video below

Activity

• nil

Daily Assignment

• create the aliens off screen and make them show up and move down the screen

  • get it running in the web simulator on the PC GameBoy emulator