- Unity 3 Game Development HOTSHT
- Table of Contents
- Unity 3 Game Development HOTSHT
- Credits
- About the Author
- About the Reviewers
- www.PacktPub.com
- Preface
- 1. Develop a Sprite and Platform Game
- 2. Create a Menu for an RPG Game—Add Powerups, Weapons, and Armor
- 3. Model and Shade your Hero/Heroine
- 4. Add Character Control and Animation to our Hero/Heroine
- Mission briefing
- Setting up character animation and level
- Creating the character controller and built-in script
- Creating a custom character control script
- Creating CrossFade animation
- Creating a third-person camera to follow our character
- Game over-Wrapping it up
- Are you ready to go gung ho? A Hotshot challenge
- 5. Build a Rocket Launcher!
- Mission briefing
- Setting up the character with the first-person controller prefab
- Creating the New3PSController and MouseLook_JS scripts
- Creating the rocket launcher and scope target
- Creating the rockets and particles
- Creating the rocket bullet UI
- Game over-Wrapping it up
- Are you ready to go gung ho? A Hotshot challenge
- 6. Create Smart AI
- 7. Forge a Destructible and Interactive Virtual World
- 8. Let the World See the Carnage! Save, Load, and Post High Scores
- A. Important Functions
- B. Coroutines and Yield
- C. Major Differences between C# and Unity JavaScript
- Unity Script Directives
- Type names
- Variable declaration
- Variable with Dynamic Type Resolution
- Multi-dimensional array declaration
- Character literals not supported
- Class declarations
- Limited interface support
- Generics
- The foreach keyword
- The new keyword
- YieldInstruction and coroutine
- Casting
- Properties with getters/setters
- Changing Struct properties by value VS by reference
- Function/method definitions
- Reference
- D. Shaders and Cg/HLSL Programming
- Index
JavaScript automatically casts from one type to another, wherever possible. For example, the Instantiate command returns a type of Object:
JavaScript:
//There's no need to cast the result of "Instantiate" provided the variable's type is declared. var newObject : GameObject = Instantiate(sourceObject);
C#:
// in C#, both the variable and the result of instantiate must be declared. // C# first version GameObject foo = (GameObject) Instantiate(sourceObject); // C# second version GameObject foo = Instantiate(sourceObject) as GameObject;
Tip
There are two different ways of casting in C#. For the first line in the preceding code, if the object can't be instantiated, it will throw an exception. You would need to use a try/catch to properly handle it. The second line, if it fails, will set foo to null, and not throw an exception. Then you would just need to test, if the returned object was null.
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