Introduce to Unity.pptx

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 Getting Start with Unity3DTran Thien Khiem 

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!  Introduce Unity3D !  Unity3D Vocabulary !  Game Editor !  Basic Scripting !  Basic Physics 

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Introduce Unity3D

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!  Cross-platform Game Engine 

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!  Support both 2D & 3D 

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!  Integrated Development Environment (IDE) 

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!  Free version included 

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Unity3D Vocabulary

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!  Assets:  –  Graphics, Animations, models, Sound files… that build

the project !  Scenes:

 –  Individual levels, areas of Game content !  Game Object: object in game 

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!  Component: attach to Game Object to controlthe behavior of the Object  –  Renderer component  –  Physics component  –  Script component 

!  Prefabs: reusable Game Object store as assets. 

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!  [1] Scene View: interactive with all Game Objects !  [2] Game View: Representative of your final,

published game !  [3] Hierarchy: Contains every Object in yourGame !  [4] Project Browser: Access and manage

assets !  [5] Inspector: Display detailed information of

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!  Import Assets !  Create Scenes !  Test your game !  Publish 

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!  Assets import: –  Right click -> Import new Assets… 

!  Keep your folders organized:  –  Scenes  –  Prefabs  –  Sprites  –  Animations  –  Sounds 

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!  Import 2D Sprite:  –  Import image  –  In Inspector View, select: 

•  Texture type: Sprite•  Sprite Mode: Single or Multiple 

!  Demo 

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!  Animation:  –  Frame based animation 

 –  Tween animation !  Demo 8;<84<84 = >".1?)@ 8G

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!  Create Game Object:  –  Drag assets to the scene view 

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!  Create Game Object:  –  Drag assets to the scene view 

!  Use to:  –  Pan (Q)  –  Move (W)  –  Rotate (E)  –  Scale (R) 

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!  Unity3D coordinate system: 

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!  Using Prefab:  –  Simply drag an Object back to Project Browser  –  You can re-use this Object like an Asset  –  If you edit one instance of a Prefab, you can apply the

change to all instances 

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!  We can attach a Script Component to change thebehavior of the Object  –  Create a script in Project Browser  –  Then drag and drop to the Object 

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!  Script Life time: 

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!  Access to container GameObject  –  gameObject. 

!  Translate, Rotate Object: –  gameObject.transform.position

!  Destroy Object: –  Destroy(GameObject); 

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!  Input Manager:  –  GetKey: use directly with keyCode 

•  Input.GetKeyDown(keyCode): pressed •  Input.GetKey(keyCode): held •  Input.GetKeyUp(keyCode): released 

 –  GetButton: Assign a button name •  Input.GetButtonDown(buttonName): pressed •  Input.GetButton(buttonName): held •  Input.GetButtonUp(buttonName): released 

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!  Input Manager:  –  OnMouseDown(): call when user click on the object 

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!  Instantiate  –  Create an instant of a prefab at run time  –  Instantiate(prefab, position, rotation) 

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Basic Physics

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!  Geometries to detect collision !  Collision Event: 

 –  OnCollisionEnter()  –  OnCollisionStay()  –  OnCollisionExit() 

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!  Trigger won’t interact with other physics objects !  Trigger Event: 

 –  OnTriggerEnter()  –  OnTriggerStay()  –  OnTriggerExit() 

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!  Rigid Bodies !  Add Force !  Add Torque 

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