Displaying Life and Score
What fun would Whack-a-Cac be with no penalties for missing and no way to keep track of how well you are doing? Displaying the user’s score and life are crucial game-play elements in our sample game, and both methods have been called from methods that have been looked at earlier in this section.
Turn your focus now to displayNewScore: in IFCGameViewController.m. Anytime the score is updated, a call to displayNewScore: is necessary to update the score display in the game. In addition to displaying the score, every time the score reaches a multiple of 10 while less than or equal to 50, a new cactus is spawned. This new cactus spawning has the effect of increasing the difficulty of the game as the player progresses.
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