HomeRock card game example
To further illustrate potential uses for BTs, let's take a look at the second example for this chapter included in the sample code. In the CardGame Unity scene, you'll find an implementation of a turn-based card game, where the player and the AI opponent have three different abilities: attack, heal, and defend. The user gets to pick which ability to use on their turn, and the AI will use a BT to decide which course of action to take. The game ends when a player reaches 0 hit points. The following image illustrates our game view:
Game screen for HomeRock—Heroes of Unity
As you can see here, the player can select their attack by clicking on one of the cards, which have been spruced up with some flavor text. The player's hit points are displayed in the lower-left corner, and the AI enemy's hit points are displayed in the top-right corner of the screen. The premise is simple, even if the example is a bit silly. Let's take a look at the scene setup before we dive into...
