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 Main Page / Code Examples
Code ExamplesIn addition to the explanations in textual form, the book contains multiple (mostly short) code snippets. Code examples from the book are available here for download, sorted by chapter. Chapter 2: Hello Game World! 
Chapter 3: Console Output and Comments
Chapter 4: Variables and Data Types
Chapter 5: Iteration with the while Loop
Chapter 6: Conditionals (if, if/else, if/else if)
Chapter 7: Relational Expressions (e.g. <, >) and Logical Operators (e.g. &&, ||)
Chapter 8: Math and Arithmetic
Chapter 9: Short Cuts
Chapter 10: Type Conversions (Casting and Rounding)
Chapter 11: Formatting Code
Chapter 12: Iteration with the for Loop
Chapter 13: Arrays
Chapter 14: Functions
Chapter 15: Movement
Chapter 16: Basic Collision Detection
Chapter 17: Drawing Modes and Drawing Lines
Chapter 18: Polygons and Vertex Functions
Chapter 19: Colour and Transparency
Chapter 20: Text and Fonts, and Loading and Saving Data
Chapter 21: Real Time
Chapter 22: Images
Chapter 23: The Processing IDE, Technical Documentation, Debugging and Common Errors
Chapter 25: Classes and Objects
Chapter 26: Event-Driven Programming and Game Controls
Chapter 27: Hardware Speed Independence for Movement
Chapter 28: Sprites, Frame-Based Animation and Timed Events
Chapter 29: Tiling
Chapter 30: Scrolling and Split-Screen Displays
Chapter 31: Movement in Curves
Chapter 32: Pixel-Perfect Collision Detection
Chapter 33: Vectors
Chapter 34: ArrayLists
Chapter 35: Recursion
Chapter 36: Basic Game AI and Enemy Behaviour
Chapter 37: Programming Libraries, and Using an Audio Library
 
Demo Programs
Buggy Code
Online Resources
![Vectors & Dot Product • Math for Game Devs [Part 1] on YouTube website screenshot](../links/youtube_com_freya_vectors.png "Freya Holmér. Vectors & Dot Product • Math for Game Devs [Part 1]. Online video (3:16'27 h). YouTube, Nov 9, 2020. A three hour lecture on vectors; Freya Holmér speaks about vectors and uses them in math and Unity specifically, but the math is applicable anywhere. The whole series 'Math for Game Devs' is on YouTube, and can get quite advanced")
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