Displaying a digital countdown timer

As a game mechanic, countdown clocks are a popular feature in many games:

Figure 1.10: Countdown clock

This recipe, which will adapt the digital clock shown in the previous recipe, will show you how to display a digital countdown clock that will count down from a predetermined time to zero.

Getting ready

This recipe adapts to the previous one. So, make a copy of the project for the previous recipe and work on that copy.

For this recipe, we have prepared the CountdownTimer script that you need in a folder named _Scripts inside the 01_03 folder.

How to do it...

To create a digital countdown timer, follow these steps:

1. Import the provided _Scripts folder.
2. In the Inspector panel, remove the scripted component, ClockDigital, from the Text-clock GameObject. You can do this by choosing Remove Component from the 3-dot options menu icon for this component in the Inspector panel.
3. In the Inspector panel...