Creating bars that go up and down

In this recipe, you will learn how to create a bar that goes up and down. This decorative UI element is often used in sci-fi HUDs. In fact, it gives a touch of life to our UI. Bars that go up and down can be a nice addition when we are trying to provide the player with an atmosphere in which many different things are dynamic and are being measured, such as a character gaining or even losing an ability over time during a battle, as if monitoring various statistics of a player to demonstrate a dynamic and quite living atmosphere.

How to do it...

  1. First of all, we have to create a UI image that should be like a decorative bar for a sci-fi HUD. In this recipe, we are going to use the bar that we used in Chapter 2,

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