Introduction to Unity

Petri Lankoski, [email protected]

Introduction to UnityFor Unity 3.5


New Project File -> New Project…

Set name and directory where you want to store the project

Select Image Effect (ONLY IF

YOU HAVE Pro) Toon Shading


Importing a PackageDownload:

If you have free version: http://www.mediafire.com/file/2bdmrn5j4vcikpa/

escape_stripped.unitypackage.zip If you have Pro

http://www.mediafire.com/file/y5i38txo42fj8i3/escape.unitypackage.zip

Unzip the downloaded file

Assets -> Import Package -> Custom Package… Select the downloaded package

http://www.mediafire.com/file/2bdmrn5j4vcikpa/escape_stripped.unitypackage.zip

http://www.mediafire.com/file/2bdmrn5j4vcikpa/escape_stripped.unitypackage.zip




Anatomy of Unity GUIProject Frame contains assets and scripts• We got these from packages• These are your tools to

build the game


Anatomy of Unity GUIScene & Hierarchy views• View to your level (game)• For building a level


Building a scene

Delete Main Camera


Adding a Plain


Anatomy of Unity GUI

Inspector• Shows details of the

selected object


Modifying the PlainChange X and Z to 20• Experiment

to find suitable scale

• Y should be 1Drag-and-drop

ground to plain

These should be0


Navigating in Unity

Hand tool (shortcut: Q)- click-drag to move camera- ALT click-drag to orbit camera around- CTR click-drag to zoom

Move tool (shortcut: W)

Rotate tool (shortcut: E)

Scale tool (shortcut: R)

On scene view:• F to zoom to selected object• Hold right mouse to enable• ASWD movement• Q up, E down

Play Mode


Save a Scene File -> Save Scene

Name it “First” Or something else


Player & Light Source

Drag-and-drop Player


Directional Light

Move by Drag fromAn arrow

Rotate by Drag fromThe sphere


Player PrefabMake sure thatObject is on the plain• Set to

0,0,0

Drag up until the object is totally visible


Adding Manager Rename the empty object

as GameManager

Drag-and-drop GameAgents on GameManager


Time to Test

Hit Play


Adding Waypoints for an Enemy

Drag and drop four Waypoint to scene• Place them to

corners (as in Figure)

• Make sure that Waypoints are on top of the plain


Grouping Objects in Hierarchy

Rename waypoints Grouping Object


Connecting Waypoints

1. Drag and drop Waypoint2 to NextTarget on Waypoint1

2. Drag and drop Waypoint3 to NextTarget on Waypoint2

3. …


Connecting Waypoints

Drag-and-drop Enemy


Adding an Enemy

Drag-and-drop Waypoint1 Target (on Enemy)


Time to Test


Adding Things Walls:

Hierarchy: Create -> Cube

Scale & Rotate & Move

More complex objects are modeled in separate software.


New Objects from MayaCreate an object in Maya

Save (ma/mb) Maya needed on the machine running Unity

Export FBX

Move the model to Assets folder

Set import scale Do not use Transform – Scale on Inspector with

imported models to change the default scale


New TexturesCreate a texture in Photoshop

Preferred size: n2 x m2

Default max size of a texture: 1024x1024 Bigger textures consumes more memory

Use psd or tiff formata Keep layers

Save it to Assets folder

Open Unity


Renderer & MaterialsAn object has renderer

Renderer draws the object to the screen Renderer has one or materials

Materials consists of Shader Resources that the shader needs for rendering

E.g., textures, colors, other assets

Multiple objects can share a material If the material is changed, the rendering of all

objects having that material is changed.


Material

Shader

This part changes based on the selected shader

Preview


Prefabs In Escape Package


EnemyCollider• For

moving objects

Plays sounds

Enemy logic• Movement

speed• Damage

dealt• Sound files

Checkbox for Enabling/disablingscripts


Colliders & Collision

STATIC

STATIC

STATIC


Enemy

Fine-tune how thisenemy perceives


Enemy

Tag is used withwaypoints• Different tags

ensure that enemies keep their tracks


Enemy Components / Billboard

Enemy consists of multiple billboards• Texture

animation• Textures• Animations

speed


Enemy Components / Light


Waypoints

This should match to Tag of an enemy• Default ok if

you do not have crossing tracks

Waypoint has a collider• Place it so that

an enemy can collide with it


Door

Player reached the end if this is checked

These controls how completing the game is shown


Door

The name of level where the door leads• If multiple

names are provided, one is selected randomly

Levels needs to be in Scenes in Build!


Door with Lock


Player Start Waypoint Player object only to the

first level

In levels 1- Place PlayerStart where

the player object begins


Scenes (levels) Level 0

Splash screen Very minimal to

Levels 1+ Actual game levels


Setting up Start ScreenFile -> New Scene

Download package: http://dl.dropbox.com/u/1380179/

escape_mainmenu.unitypackage

Assets -> Import Package -> Custom Package… Select escape_mainmenu.unitypackage

Add Player prefab to scene This is the only level where Player should be! You can add the Player for testing

Remove after level is ready


Escape Splash Screen

Drag-and-drop

Draws the GUI


Setting up Start Screen

Write the name of your first level


GUI Skin

Changes how buttons and labels look like


Start Screen

Build Game


Select target and build

Select: • File -> Build Settings…

Alternatively:• File -> Build Settings…

Introduction to Unity

Documents

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