Unity is a cross-platform game engine that can be used to develop games for PC, consoles, mobile devices, and websites. It emphasizes portability by allowing developers to control delivery of games to different platforms from within a single project. Unity supports a wide range of platforms including Android, iOS, Windows, Mac, Xbox, and more. It uses APIs like Direct3D and OpenGL depending on the target platform. Unity is available in both free and paid Pro versions and is straightforward to install on computers. Developers can build game objects and attach scripts written in C# or JavaScript to control game logic and entity behavior. Unity has over 1.3 million developers creating games across various platforms and devices.

1. UNITY 3D
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2. WHAT IS UNITY
 Unity is cross-platform game engine, developed by UnityTechnologies
 It is use to developed games for PC, Console, Mobile Devices and websites

3. PORTABILITY
 Emphasis on portability
 Within a project, developers have control over delivery to mobile devices, web
browsers, desktops, and consoles

4. SUPPORTED PLATFORMS
 Android
 AppleTV
 BlackBerry 10
 iOS
 Linux
 Windows phone 8
 Windows
 Xbox360
 Xbox one

5. APIs
 Direct3D on window and Xbox360
 OpenGL on Mac
 OpenGL ES on Android and iOS

6. VERSION
 Unity comes in two basic flavors:
 pro version
 free version

7. INSTALLING UNITY
Unity is straightforward to install :
 You can download the executable
 Run it
 Follow the installer instructions
 When the installation is finished, a window entitled ‘activate your Unity license’ will appear. Check the
box marked ‘activate a free 30-day trial of Unity Pro’ and click ‘OK.’
 When the trial expires, if you don’t want to buy the pro version, you can switch to the free version
and keep your existing content

8. SUPPORTED LANGUAGES
 C#
 JavaScript

9. HOW IT WORKS
 In Unity, we’ll building objects and attaching them to game entities
 If you want a ‘Mook’ object that handles AI for an enemy in your game
 You’d write a ‘Mook’ class
 Then attach that file to every enemy entity
 When you run your game, each enemy will be equipped with a copy of the ‘Mook’ object

10. A CLASS FILE LOOKS SOMETHING LIKE THIS
using UnityEngine;
public class Mook : MonoBehaviour {
private float health;
void Start () {
health = 100;
}
void Update(){
if (health > 0){
//search for player
//if you encounter the player on the road, kill him
//if you get shot, remove a random amount of health
}
}
}

12. RECEPTION
 More than 1.3 million developers are using its tools to create “Bob’s your Uncle" graphics in their iOS,
Android, console, PC, and web-based games