Learn more about GameplayKit by adding obstacles to the scene.
This is a companion discussion topic for the original entry at https://www.raywenderlich.com/4193-how-to-make-a-game-like-flappy-bird/lessons/5
This is a companion discussion topic for the original entry at https://www.raywenderlich.com/4193-how-to-make-a-game-like-flappy-bird/lessons/5