The document provides an overview of Unity, a powerful and versatile game engine used across various industries for developing virtual reality software and games. It details key concepts such as game objects, components, scripting in C#, and the use of different windows in Unity for project management. Additionally, it covers essential programming aspects like data types, variables, classes, and control structures used in game development.

1. WIG 3004
VIRTUAL
REALITY
Software

2. What is
software?

3. Communicati
on
1
Hardwar
e
2
Software
3
User

6. UNITY
Game engine

7. • Cross-platform: PC, mobile, web, console
• Both 2D and 3D
• Scripting in C#
• Free but with limits
• Monthly subscription (more features)
• https://unity.com/
• https://learn.unity.com/
UNITY The Game
Engine

8. • Powerful
• Free
• Used by many industries:
• Automotive and
Transportation
• Brand Ads
• Film
• Gaming
• Gambling
• Learning and Training
• AR and VR
Why UNITY ?

9. • Project: Access and manage the assets in the
project
• Scene: Interactive view of the world. Select and
position all the objects
• Game: Represents your final published product
• Inspector: detailed information about the
currently selected object.
• Hierarchy: List of all objects
UNITY
Windows

10. Project
Window

11. Scene Window

12. Game Window

13. Inspector
Window

14. Hierarchy
Window

15. • Every object in the game is a GameObject
(important)
• Components can be added into it to give it properties
UNITY Basic:
GameObject

16. • Determines position, rotation, and scale
• All GameObjects have a Transform component
• Cannot be removed
UNITY Basic:
Transform

17. • Helps identify GameObjects for scripting
purposes
UNITY Basic: Tags

18. • Static: Inform that the object will not move.
UNITY Basic: Static

19. • Store GameObjects along with its properties and
components
• Create instances
• A change in a prefab affects all its instances.
• Instance settings can be overridden.
UNITY Basic:
Prefabs

20. Light
• Define the colour
and mood of the 3D
environment.
• Different kinds of
lights:
Directional
Point
Spotlight
Area

21. Camera
• Display the game
world to player.
• At least one camera
in a scene.
• Can be set to either
Perspective or
Orthographic
projection.

22. Scripting
• Essential in all games.
• Unity uses C# as the main scripting
language.
• Uses:
• Response to input
• Trigger events
• Create graphical effects
• Control physical behavior
• Implement custom AI system
• And many more

23. Scripting: Syntax
1. Basic Syntax (Grammar):
• Keywords – words with special meanings
• Comments – for documentation
purposes
• Variables / Attributes – act as containers to values
• Functions / Methods – a group of reusable code performing a task
• Operators – for logical/arithmetic
operations
• Predefined values – values hardcoded into the script
• String – words that will appear as is when executed.
*Syntax is case-sensitive. Meaning “abc” is NOT equal to “ABC”.

24. Scripting: Data
Type
1. Primitive data type:
• Defined by the programming language.
2. Programmer-defined data type:
• Defined by the programmer
• Defined by tool such as Unity

25. Scripting:
Variables
• A name given to a storage area used to store values of
various data types.
• Syntax:
• data-type variable-name;
• data-type variable-name = data-value;
• data-type variable-name1, variable-name2;
• Example: int num = 1;
• There are rules when naming a variable:
• Cannot begin with numbers or special characters: int 1num;
• Cannot use keywords: int int;
• Cannot have empty spaces: int num one;

26. Scripting: Array
• A collection or series of the same data type.
• The content of an array are called its elements.
• Array elements always begin with 0;
• Syntax: data-type[] array-name;
• Example: int[] nums;

27. Scripting: Class
• Encapsulation of data properties and data methods.
• Properties: describe the data the class will be holding.
• Methods: what operations can be performed on the data.

28. Scripting: Decision
making
Decision-making
• if, if…else, nested if
• switch
• Conditional operator: “? :”

29. Scripting: Loop
Looping
• While, do…while
• For, foreach

30. • Animation
• Simulation
What else UNITY can
do?

31. Draw their relation
Hardware * SOFTWARE *
user