Swift Game Programming for Absolute Beginners

Chapter    27

Finishing the Tick Tick Game

In this chapter, you will finish the Tick Tick game. First, you will add a timer so that the player has a limited amount of time to complete each level. Then, you will add a few mountains and clouds to the background to make the game visually more interesting. Finally, you will write the code that allows the player to progress through the level.

Adding a Timer

Let’s first look at adding a timer to the game. You don’t want the timer to take up too much screen space, so you use a text version of it. The Timer class inherits from the SKNode class, and it contains a background frame as well as a label node showing the remaining time. You want to be able to pause the timer (for example, when the level is ...