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Mastering Android Game Development with Unity

You're reading from   Mastering Android Game Development with Unity Build high-end Android games with Unity's advanced features

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Product type Paperback
Published in May 2017
Publisher Packt
ISBN-13 9781783550777
Length 352 pages
Edition 1st Edition
Tools
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Author (1):
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Siddharth Shekar Siddharth Shekar
Author Profile Icon Siddharth Shekar
Siddharth Shekar
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Table of Contents (9) Chapters Close

Preface 1. Introduction to Android Game Development with Unity3D FREE CHAPTER 2. Finishing the Perky Penguin 2D Game 3. Adding Player Character for an Action Fighting Game 4. Enemy Characters with AI 5. Gameplay, UI, and Effects 6. GameScene and SceneFlow 7. Gamestats, Social, IAP, and Ad Integration 8. Sound, Finishing Touches, and Publishing

Enemy behavior and AI


The enemy will start with the idle animation as you play the game. Let's add some behavior to the enemy character.

The AI is implemented by creating a pattern, which will determine when the next state change for the enemy will take place, and the period of time that the enemy will either be idle, defend, or attack.

The pattern is an array and has 20 elements in it. After all the elements are exhausted the patterns is randomized and the counter is set to 0 again.

Some intervals last for 10 frames, while others last for up to 120 frames or two seconds. The player has to judge and make sure that he doesn't get hit, and he has to defeat the enemy before they kill him. This will make more sense once we go through the code.

Create a new C# script and name it enemy. Add the following script to the code.

First, we initialize our variables:

    using UnityEngine; 
    using System.Collections; 

    public class enemy : MonoBehaviour { 

    private Animator anim; 

    int myTick...
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