Table of Contents for
Developing Games on the Raspberry Pi: App Programming with Lua and LÖVE

Version ebook / Retour

Cover image for bash Cookbook, 2nd Edition Developing Games on the Raspberry Pi: App Programming with Lua and LÖVE by Seth Kenlon Published by Apress, 2018
  1. Navigation
  2. Cover
  3. Front Matter
  4. 1. Getting Started with the Raspberry Pi
  5. 2. Scripting with LÖVE
  6. 3. Modular Programming with LÖVE
  7. 4. Analog Programming
  8. 5. Database and Libraries
  9. 6. Graphics
  10. 7. Menu Design
  11. 8. Battling It Out
  12. 9. Balance of Power
  13. 10. Save Files and Game States
  14. 11. Sound
  15. 12. Roguelike Dungeon Crawler
  16. 13. Game Distribution
  17. 14. Next Steps
  18. Back Matter
Seth Kenlon
Developing Games on the Raspberry PiApp Programming with Lua and LÖVE
Seth Kenlon
Wellington, New Zealand
ISBN 978-1-4842-4169-1e-ISBN 978-1-4842-4170-7
https://doi.org/10.1007/978-1-4842-4170-7
Library of Congress Control Number: 2018966138
© Seth Kenlon 2019
This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed.
Trademarked names, logos, and images may appear in this book. Rather than use a trademark symbol with every occurrence of a trademarked name, logo, or image we use the names, logos, and images only in an editorial fashion and to the benefit of the trademark owner, with no intention of infringement of the trademark. The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights.
While the advice and information in this book are believed to be true and accurate at the date of publication, neither the authors nor the editors nor the publisher can accept any legal responsibility for any errors or omissions that may be made. The publisher makes no warranty, express or implied, with respect to the material contained herein.
Distributed to the book trade worldwide by Springer Science+Business Media New York, 233 Spring Street, 6th Floor, New York, NY 10013. Phone 1-800-SPRINGER, fax (201) 348-4505, e-mail orders-ny@springer-sbm.com, or visit www.springeronline.com. Apress Media, LLC is a California LLC and the sole member (owner) is Springer Science + Business Media Finance Inc (SSBM Finance Inc). SSBM Finance Inc is a Delaware corporation.

This book is dedicated to all programmers who work tirelessly on free (as in “liberty”) and open software, not the least of whom are the Lua devs.

Table of Contents

Chapter 1:​ Getting Started with the Raspberry Pi 1
Preparing Your Pi 3
Installing Linux onto Your Pi with Etcher 4
Preparing Your Off-Brand SoC 6
Using This Book Without a SoC Device 7
First Boot 8
Writing Your First Lua Script 10
Using Variables and User Input 14
Homework 17
Chapter 2:​ Scripting with LÖVE 19
Establishing a Development Environment 19
Navigating the Desktop 19
Installing Development Applications 21
Exploring Your Desktop 23
Creating a Graphical Game 24
Load and Main Loop 27
Graphics 34
Tables 36
Game and GUI Logic 38
Mouse Click 40
Packaging 44
Homework 45
Chapter 3:​ Modular Programming with LÖVE 47
Project Directory 48
Classes and Objects 50
Randomized Cards 53
Graphics 60
Competition 63
Winning 68
Homework 71
Chapter 4:​ Analog Programming 73
Game Theory 74
Experimental Design 75
Iteration One 76
Iteration Two 77
Iteration Three 80
Pseudo Code for Battlejack 81
Documentation 82
Homework 84
Chapter 5:​ Database and Libraries 85
Installing New Libraries 87
Configuration Files 89
Setting the Package Path 90
Deck Building 94
Homework 98
Chapter 6:​ Graphics 99
Design by Genre 99
Let the Fonts Do the Talking 101
Color Scheme 104
Graphics 106
Card Design with GIMP 107
Exporting from GIMP 120
Homework 120
Chapter 7:​ Menu Design 123
Main Framework 124
Switching Modes 126
Menu Selection 128
Git 133
Tracking 134
Adding Files 135
Restoring 138
Chapter 8:​ Battling It Out 141
Card Table 142
Game State 144
Deck Building 150
Playable Cards 154
Battle 157
Visual Effects 159
Resolving Conflict 162
Chapter 9:​ Balance of Power 167
Git Commit 171
Leveling Up 172
Powerup 175
Powerup Double Draw 183
Font and UI Consistency 184
Garbage Collection 186
Homework 187
Chapter 10:​ Save Files and Game States 189
Fullscreen 189
Usability 193
Scaling Adjustments 194
Save States 199
User Configuration 201
Game Data 203
Loading a Save File 205
Homework 210
Chapter 11:​ Sound 211
Finding Audio 211
LMMS 212
Building a Sound Effect 214
Listening to Your Effects 216
Adjusting Export Length 217
Creating Music 218
Sound Code 220
Fixing the Raspberry Pi Sound Settings 221
Homework 224
Chapter 12:​ Roguelike Dungeon Crawler 225
What’s Roguelike?​ 225
It Looks Good on Paper 227
Assets 228
Treasure 230
Traps 231
Monsters 233
Hero 235
Bolt 237
Floor Tiles 238
Room 239
Doors 242
Rogue Code 243
Draw Function 250
Keypressed 253
Monster Movement 257
Bolts and Updates 259
Homework 261
Chapter 13:​ Game Distribution 263
Packaging 263
Versioning 265
Help Message 267
Executable 268
Distribution 269
Online 270
Configuring SSH for Git 274
Pushing to Git 275
Itch.​io 277
Lutris 277
Mobile Market 280
Installing LÖVE on Android 280
Limitations of LÖVE on Mobiles 282
Chapter 14:​ Next Steps 285
How to Practice 285
How to Learn 286
How to Read Technical Documentation 287
Leveraging Open Source 288
Learning Other Languages 289
Homework 290
Appendix A:​ Drag and Drop 293
Draggable object 294
Code 294
Appendix B:​ Using Git 297
git add 298
git commit 300
Reverting Changes 301
Restoring with git reset 303
Restoring with git checkout 303
git branch 306
git merge 309
git push 311
Index 313

About the Author and About the Technical Reviewer

About the Author

Seth Kenlon

is a teacher, artist, D&D dungeon master, free software and free culture advocate, and UNIX geek. He has worked in the visual effects (VFX) ( The Hobbit , Deadpool , Valerian ) and computing industries (IBM, Red Hat), often at the same time. He is one of the maintainers of a Slackware-based multimedia production project.

 

About the Technical Reviewer

Sai Yamanoor

is an IoT (Internet of Things) applications engineer working for an industrial gases company in Buffalo, NY. His interests, deeply rooted in DIY and open-source hardware, include developing gadgets that aid behavior modification. He has published two books with his brother and in his spare time, he likes to contribute to open source projects. You can find his project portfolio at http://saiyamanoor.com .