Holistic Mobile Game Development with Unity 2015 Taylor & Francis. All rights Reserved.

Introduction  Use computational and visual methods to explore the patterns and dynamics at the core of computer game code  Develop a mastery of the processes, data structures, and algorithms found in all processes that form the foundation of programming 2015 Taylor & Francis. All rights Reserved. 2

Programming versus Scripting  Programming languages Machine code: binary, strings, instruction set ○ eg. Cortex-A9 CPU implements Thumb-2 Assembly language: symbolic representation, assembler ○ eg. Thumb-2: MOV 2015 Taylor & Francis. All rights Reserved. 3

Programming versus Scripting  Programming languages Compiled language: intuitive, English- like, translated by a compiler Interpreter language: scripting languages ○ eg. JavaScript, Lua, 2015 Taylor & Francis. All rights Reserved. 4

Scripting Literacy  Anatomy of C# namespace myCeeSharpNamespace { class holisticUnityCeeSharp { public static void Main(string[] args) { System.Console.WriteLine(“Hey!”); 2015 Taylor & Francis. All rights Reserved. 5

Scripting 2015 Taylor & Francis. All rights Reserved. 6  Logic Logic Statements: Boolean algebra AND, OR... NOT, NAND, NOR, XOR, XNOR Truth tables  Comments // This is a single line comment. /* This is a multi-line comment. */

Scripting 2015 Taylor & Francis. All rights Reserved. 7  Variables Modified block of computer memory used to store a value Data types

Scripting Literacy  Operators Arithmetic ○ =, +, -, *, / Relational ○ >, =, <=, ==, 2015 Taylor & Francis. All rights Reserved. 8  Functions Blocks of code performing specialized operations Libraries

Scripting Literacy  Loops Conditional statements Multiple executions for 2015 Taylor & Francis. All rights Reserved. 9  Conditional Statements Use Boolean algebra Divert flow if else

Scripting 2015 Taylor & Francis. All rights Reserved. 10  Arrays String together same datatypes One dimensional Multi-dimensional Store multiple data or objects

Scripting Literacy  Classes and 2015 Taylor & Francis. All rights Reserved. 11

Scripting Literacy  Classes and Objects Constructors ○ Main function call and allocates memory Properties/Variables ○ float xPos = myPosition.x; Functions/Methods ○ 2015 Taylor & Francis. All rights Reserved. 12

Scripting Literacy  Yields and Coroutines Freeze? Pause the execution of the code and not effect the game 2015 Taylor & Francis. All rights Reserved. 13

Scripting Literacy  C# versus JavaScript Primary differences ○ How the variables are declared ○ How the functions are 2015 Taylor & Francis. All rights Reserved. 14 JavaScript C#

Scripting Literacy  Logical Errors and Syntactical Errors  Common Coding Errors 1. No semicolon at the end of a 2015 Taylor & Francis. All rights Reserved. 15

Scripting Literacy 2. A missing matching parenthesis 3. A line break inside a string Debug.Log(“Hi There“) ; Or: Debug.Log (“Hi” Taylor & Francis. All rights Reserved. 16

Scripting Literacy 4. The wrong casing Debug or debug ○ error CS0103: The name ‘debug’ does not exist in the current context 5. The wrong 2015 Taylor & Francis. All rights Reserved. 17

Scripting Literacy 6. The use of a reserved word for a variable or class name 7. The filename doesn’t match the class 2015 Taylor & Francis. All rights Reserved. 18

Scripting Literacy 8. A float has been initialized without an “f” on the end 9. The wrong type of value is being assigned to a variable 10. The variables being passed to a function are not the correct 2015 Taylor & Francis. All rights Reserved. 19

Game Mathematics Literacy  Points x, y and z axes 2015 Taylor & Francis. All rights Reserved. 20

Game Mathematics Literacy  Vectors ○ Direction and 2015 Taylor & Francis. All rights Reserved. 21

Game Mathematics Literacy  Angles Normalizing Dot product ○ Forward and backward Cross product ○ Turning 2015 Taylor & Francis. All rights Reserved. 22

Game Mathematics Literacy  Affine Transformations Constant proportions Combination of: ○ translations (moving) ○ scalings (resizing) ○ rotations (orienting) ○ 2015 Taylor & Francis. All rights Reserved. 23

Procedural Content Generation  Fractals Algorithmically generated patterns Strange 2015 Taylor & Francis. All rights Reserved. 24

Procedural Content Generation  Perlin Noise Randomness generated from sine and cosine waves Height 2015 Taylor & Francis. All rights Reserved. 25

Summary Procedural Literacy  C# scripting and an examination of fundamental programming constructs  Essential mathematics for 3D game programming The power of algorithms and mathematics in the Minecraft landscape recreation Exploring the boundary between visual beauty and logical constructions  Introduction to why and how these fundamentals are implemented over and over again  Why you need this knowledge to be a games 2015 Taylor & Francis. All rights Reserved. 26