How to Make a Game like Space Invaders - Ray Wenderlich (why do my space invaders scroll off screen)
- by Erv Noel
I'm following this tutorial(http://www.raywenderlich.com/51068/how-to-make-a-game-like-space-invaders-with-sprite-kit-tutorial-part-1) and I've run into a problem right after the part where I add [self determineInvaderMovementDirection]; to my GameScene.m file (specifically to my moveInvadersForUpdate method)
The tutorial states that the space…