This is a companion discussion topic for the original entry at https://www.kodeco.com/2642-how-to-make-a-game-like-space-invaders-with-sprite-kit-tutorial-part-1
This is a companion discussion topic for the original entry at https://www.kodeco.com/2642-how-to-make-a-game-like-space-invaders-with-sprite-kit-tutorial-part-1