Intro to Unity

Unity Logo

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Meow Cam

About the slides

To navigate them use:

  • Mouse wheel
  • Left and right arrow keys
  • Arrows in bottom right
  • Menu in bottom left
  • Swipe left/right on a touchscreen
  • Home button to go to the homepage

What is a Game Engine?

Software that handles:

  • Realtime rendering
  • Audio
  • Networking
  • Physics
  • GUI
  • Scripting

Why use Unity?

Pros:

  • Huge community
  • Easy to use
  • 2D and 3D support
  • Universal creation tool
  • Cross-platform
  • It's free*

Cons:

  • Closed Source                

Games made with Unity

  • Hearthstone
  • Subnautica
  • Ori and the Blind Forest
  • Hollow Knight
  • Cuphead
  • ...

Unity is HUGE

Don't try to learn it all at once!

Huge Cat

System Requirements

  • OS:
    • Windows 7, 8, 10 64-bit versions only
    • Mac OS X 10.12+
    • Ubuntu 16.04, 18.04 or CentOS 7
  • CPU: X64 with SSE2 support
  • GPU: DX10, DX11 and DX12 capable

Further details here

Unity Hub

  • Manage your Unity versions
  • Modify build targets outside of the Editor
  • Get it here

Select your license

If you have made:

  • < $100K in the last 12 months with Unity then you can choose Unity Personal (It's free)
  • > $100K in the last 12 months with Unity then you probably don't need this course :D

Download Unity

  1. Go to Unity Hub/Installs
  2. Get the latest version of Unity

IDE Support

  • Visual Studio for PC and Mac
  • JetBrains Rider for Linux

Make sure to get the Unity Tools plugin for your IDE

Making your first Unity project

  1. Go to Unity Hub/Projects
  2. Click NEW
  3. Select the 3D template
  4. Name your project
  5. Click CREATE

Editor Elements

  • Toolbar
  • Project View
  • Scene Hierarchy
  • Scene View
  • Game View
  • Inspector
  • Console
  • Asset Store

To documentation

Modifying the Editor

  • Resizing windows
  • Docking windows
  • Adding more windows
  • Can always revert to the Default Layout

Navigating the Scene View

  • Scene Gizmo
    • Align Scene View Camera to the different axes
    • Perspective/Ortographic Mode
  • Hand Tool + Left Click to move
  • Reft Click to orbit
  • Scroll Wheel to zoom
  • Right Click + QWASDE for Flythrough Mode
    • Shift to go faster

Essential Shortcuts

  • Right Click in Project window/Scene view to add item
  • QWERTY for the different tools
  • Ctrl/Cmd + Z to undo
  • Ctrl + Y to redo on Windows
  • Cmd + Shift + Z to redo on Mac
  • F to focus on object
  • Ctrl/Cmd + Shift + F to align object with view
  • Shift + Space to maximize window

Cheat Sheet from Brackeys

Game Objects

Every object in the scene is a Game Object

Game Objects also:

  • Have a Name
  • Have a Tag
  • Have a Layer
  • Can be parented
  • Can be active/disabled
  • Require components to become "functional"
  • Always have a Transform Component

Components

They provide Game Objects with logic

Let's explore the ever-present Transform Component

Click on GameObject/3D Object/Cube to make a cube

Its Transform Component has:

  • Position
  • Rotation
  • Scale

Hello World Script

						
	public class HelloWorldScript : MonoBehaviour {
		void Start() {
			print("Hello World");
		}
	}

Using the Hello World Script

  • Compile it
  • Attach it to a Game Object
  • Click Play to enter Play Mode
  • ????
  • PROFIT!

Hello World

Important!

Changes made during Play Mode don't stay after exiting it

Extra Resources

Homework

  • Install Unity
  • Play around with the Editor
  • Play around with the Learn section of Unity Hub

Questions?

Question Cat