Introduction to Unity
- 1. DES241 2020 Introduction to Unity (06/08/2020)
- 2. Mixed Reality Remote Collaboration dSystem Prasanth Sasikumar
- 3. Intro To Unity Prasanth Sasikumar Empathic Computing Lab
- 4. 4 Games!
- 5. 5
- 8. 8 Adam - Real Time Movie https://www.youtube.com/watch?v=INbwoxfSBjQ
- 10. Unity 3D features ● Cross platform ○ Windows, OSX, iOS, Android, Linux, WebGL, etc. ● Fast rapid development ○ Visual scene assembly, rapid prototyping ● Control over rendering pipeline ○ Access to low level graphics, shader programming ● Scripting in multiple coding languages ○ C#, C++, Javascript, etc. ● Asset store with thousands of contributions ○ Models, behaviours, programming tools, etc. ● Very large developer/support community 10 Unity 3D features
- 11. 11 Download Unity Download Unity - https://store.unity.com/ Pick version of Unity
- 13. 13 Unity Basics
- 14. 14 Unity Hub ● Install Unity Hub ○ Download Unity Hub – pick components you want ○ https://unity3d.com/get-unity/download
- 15. 15 Getting Started ● First time running Unity you’ll be asked to create a project ● Pick 3D, specify project name and location Getting Started
- 18. 18 Unity Interface Scene View ● Where the game is constructed ● Visually place all the assets ○ models, cameras, other pieces that make up the game
- 19. 19 Unity Interface Hierarchy Window ● List of all current GameObjects being used in the application ● GameObjects can be nested ● Can have multiple scenes
- 20. 20 Unity Interface Project Window ● Contains at the assets needed for application ● Drag assets into the hierarchy window
- 21. 21 Unity Interface Inspector View ● Configure any GameObject • Change properties • Add components
- 22. Building Scenes ● Use GameObjects: ○ Containers that hold different components, Eg 3D model, texture, animation ● Use Inspector ○ View and edit object properties and other settings ● Use Scene View ○ Position objects, camera, lights, other GameObjects etc ● Scripting ○ Adding interaction, user input, events, etc 22 Unity 3D features
- 23. 23 Getting Started ● Every object in Scene is a GameObject ● GameObjects contain Components • e.g. Transform Component, Camera Component GameObjects
- 24. 24 Getting Started Adding 3D Content ● Create 3D asset using modeling package, or download ○ Fbx, Obj file format for 3D models ● Add file to Assets folder in Project ● Or drag the file into Project View ● Drag mesh from Project View into Hierarchy or Scene View ○ Creates a game object
- 25. 25 Getting Started Positioning/Scaling Objects ● Click on object and choose transform
- 26. 26 Getting Started Manipulating Objects and Camera ● Panning and scaling
- 27. 27 Getting Started Unity Coordinate Frame ● Left handed coordinate system. ● Select axes to translate object
- 28. 28 Getting Started Rotation About Axes ● Use rotation tool, select rotation line
- 29. 29 Unity Asset Store ● Download thousands of models, scripts, animations, etc ● https://assetstore.unity.com/
- 32. Making a Simple Scene 1. Create New Project 2. Create Game Object 3. Moving main camera position 4. Adding lights 5. Adding more objects 6. Adding physics 7. Changing object materials 8. Adding script behaviour 32 Making a Simple Scene
- 33. 33 Making a Simple Scene ● Create new folder and project Create Project
- 34. 34 Making a Simple Scene ● Load a Sphere into the scene ● GameObject -> 3D Object -> Sphere Create GameObject
- 35. 35 Making a Simple Scene ● Select Main Camera ● Select translate icon ● Move camera Moving main camera
- 36. 36 Making a Simple Scene ● GameObject -> Light -> Directional Light ● Use inspector to modify light properties (colour, intensity) Add Light
- 37. 37 Making a Simple Scene ● Select Sphere ● Add Rigidbody component ● Add Component -> Physics -> RigidBody or Component - > Physics -> RigidBody ● Modify inspector properties (mass, drag, etc) Add Physics
- 38. 38 Making a Simple Scene ● Add several cubes ● GameObject -> 3D Object – Cube ● Move cube ● Add Rigid Body component (uncheck gravity) Add More Objects
- 39. 39 Making a Simple Scene ● Assets -> Create -> Material ● Click Albedo colour box in inspector ● Select colour ● Drag asset onto object to apply Add Material
- 40. 40 Making a Simple Scene ● Assets -> Create -> C# script ● Edit script using Mono/Visual Studio ● Drag script onto Game Object Add Script
- 41. 41 Making a Simple Scene ● GameObject Rotation Example C# Script using UnityEngine; using System.Collections; public class NewBehaviourScript: MonoBehaviour { // Use this for initialization void Start () { } // Update is called once per frame void Update () { this.gameObject.transform.Rotate(Vector3.up*10); } }
- 42. Scripting C# Unity 3D ● void Awake(): ○ Is called when the first scene is loaded and the gameobject is active ● void Start(): ○ Called on first frame update ● void FixedUpdate(): ○ Called before physics calculations are made ● void Update(): ○ Called every frame before rendering ● void LateUpdate(): ○ Once per frame after update finished 42 Unity 3D features
- 43. 43 Making a Simple Scene ● Placement
- 44. 44 Making a Simple Scene ● Final Spinning Cube Scene
- 45. Resources ● Unity Main site ○ https://unity.com/ ● Vuforia ○ https://library.vuforia.com/getting-started/overview.html ● Official Unity Tutorials ○ https://learn.unity.com/ ● Unity Coder Blog ○ http://unitycoder.com 45 Unity 3D Resources