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Coding with Roblox Lua in 24 hours : the official Roblox guide

2022

Title:	Coding with Roblox Lua in 24 hours : the official Roblox guide / author, Genevieve Johnson.
Author:	Johnson, Genevieve, author.
Series:	Sams teach yourself Sams teach yourself.
Summary:	Teaches Roblox game developers the skills and techniques needed to master the essentials of Lua programming in 24 lessons of one hour or less.
Format:	Book
Description:	ix, 370 pages : illustrations (chiefly color) ; 24 cm illustration
Genre:	Instructional and educational works.
Subjects:	Lua (Computer program language) Video games -- Programming. Roblox (Computing platform) Video games -- Design. Internet games -- Design. Digital Lifestyle.
Other Title:	Coding with roblox lua in twenty-four hours
Other Author:	Roblox Corporation, editor.
Edition:	1st edition.
Publisher, Date:	[Indianapolis, Indiana] : Pearson, [2022] ℗♭2022.
Notes:	Includes index.
Contents:	Coding your first project -- Properties and variables -- Creating and using functions -- Working with parameters and arguments -- Conditional structures -- Debouncing and debugging -- While loops -- For loops -- Working with arrays -- Working with dictionaries -- Client versus server -- Remote events: one-way communication -- Using modulescripts -- Coding in 3D world space -- Smoothly animating objects -- Solving problems with algorithms -- Saving data -- Creating a game loop -- Monetization: one-time purchases -- Object-oriented programming -- Inheritance -- Raycasting -- Plopping objects in an experience: part 1 -- Plopping objects in an experience: part 2 -- Appendix A: Roblox basics.
LCCN:	2021948694 * 2021948694
ISBN:	9780136829423
Other Number:	1222805557
System Availability:	1
# System items in:	1
Current Holds:	0

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Author Notes

Roblox 's mission is to bring the world together through play. Roblox enables anyone to imagine, create, and have fun with friends as they explore millions of immersive 3D experiences, all built by a global community of developers. Roblox is powered by a global community of more than 2 million developers who produce their own immersive multiplayer experiences using Roblox Studio, Roblox's intuitive desktop design tool. Roblox is ranked as one of the top online entertainment platforms for audiences under the age of 18 based on average monthly visits and time spent (ComScore).

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Summary

In just 24 lessons of one hour or less, Coding with Roblox Lua in 24 Hours: The Official Roblox Guide helps you learn all the skills and techniques you'll need to code your own Roblox experiences. Perfect for beginners, each short and easy lesson builds upon everything that's come before, helping you quickly master the essentials of Lua programming. Step-by-step instructions walk you through common questions, issues, and tasks; Q&As, Quizzes, and Exercises build and test your knowledge; "Did You Know?" tips offer insider advice and shortcuts; and "Watch Out!" alerts help you avoid pitfalls.

Learn how to...
* Code with properties, variables, functions, if/then statements, and loops
* Organize information using arrays and dictionaries
* Work with events to make things move, explode, count down, and do whatever you can imagine
* Keep your code manageable with abstractions and object-oriented programming
* Store data permanently to create leaderboards, inventories, and custom currency
* Use raycasting to allow visitors to place their own objects, such as furniture and props, within your world

Table of Contents

Hour 1	Coding Your First Project	p. 1
	Installing Roblox Studio	p. 1
	Let's Take a Tour	p. 2
	Opening the Output Window	p. 5
	Writing Your First Script	p. 6
	Error Messages	p. 11
	Leaving Yourself Comments	p. 12
Hour 2	Properties and Variables	p. 17
	Object Hierarchy	p. 18
	Keywords	p. 19
	Properties	p. 20
	Finding Properties and Data Types	p. 22
	Creating Variables	p. 22
	Changing the Color Property	p. 25
	Instances	p. 26
Hour 3	Creating and Using Functions	p. 31
	Creating and Calling Functions	p. 31
	Understanding Scope	p. 33
	Using Events to Call Functions	p. 33
	Understanding Order and Placement	p. 36
Hour 4	Working with Parameters and Arguments	p. 43
	Giving Functions Information to Use	p. 43
	Working with Multiple Parameters and Arguments	p. 45
	Returning Values from Functions	p. 49
	Returning Multiple Values	p. 50
	Returning Nil	p. 51
	Dealing with Mismatched Arguments and Parameters	p. 51
	Working with Anonymous Functions	p. 52
Hour 5	Conditional Structures	p. 57
	If/then Statements	p. 58
	Elseif	p. 62
	Logical Operators	p. 62
	Else	p. 63
Hour 6	Debouncing and Debugging	p. 73
	Don't Destroy, Debounce	p. 73
	Figuring Out Where Things Go Wrong	p. 82
Hour 7	While Loops	p. 91
	Repeat Forever, while true do	p. 91
	Some Things to Keep in Mind	p. 92
	While Loops and Scope	p. 98
Hour 8	For Loops	p. 101
	How for Loops Work	p. 102
	Nested Loops	p. 109
	Breaking Out of Loops	p. 110
Hour 9	Working with Arrays	p. 113
	What Are Arrays?	p. 113
	Adding Items Later	p. 114
	Getting Information from a Specific Index	p. 114
	Printing an Entire List with ipairs ()	p. 115
	Folders and ipairs ()	p. 116
	Finding a Value on the List and Printing the Index	p. 121
	Removing Values from an Array	p. 122
	Numeric for Loops and Arrays	p. 123
Hour 10	Working with Dictionaries	p. 127
	Intro to Dictionaries	p. 127
	Adding and Removing from Dictionaries	p. 130
	Removing Key-Value Pairs	p. 130
	Working with Dictionaries and Pairs	p. 132
	Returning Values from Tables	p. 133
Hour 11	Client Versus Server	p. 145
	Understanding the Client and the Server	p. 145
	Working with GUIs	p. 146
	Understanding RemoteFunctions	p. 149
	Using RemoteFunctions	p. 149
Hour 12	Remote Events: One-Way Communication	p. 161
	Remote Events: A One-Way Street	p. 161
	Communicating from the Server to All Clients	p. 162
	Communicating from the Client to the Server	p. 165
	Communicating from the Server to One Client	p. 170
	Communicating from Client to Client	p. 171
Hour 13	Using ModuleScripts	p. 173
	Coding Things Just Once	p. 173
	Placing ModuleScripts	p. 174
	Understanding How ModuleScripts Work	p. 174
	Naming ModuleScripts	p. 174
	Adding Functions and Variables	p. 175
	Understanding Scope in ModuleScripts	p. 176
	Using Modules in Other Scripts	p. 177
	Don't Repeat Yourself	p. 183
	Dealing in Abstractions	p. 183
Hour 14	Coding in 3D World Space	p. 187
	Understanding X, Y, and Z Coordinates	p. 187
	Refining Placement with CFrame Coordinates	p. 189
	Offsetting CFrames	p. 191
	Adding Rotations to CFrames	p. 191
	Working with Models	p. 192
	Understanding World Coordinates and Local Object Coordinates	p. 193
Hour 15	Smoothly Animating Objects	p. 199
	Understanding Tweens	p. 199
	Setting TweenInfo Parameters	p. 201
	Chaining Tweens Together	p. 205
Hour 16	Solving Problems with Algorithms	p. 209
	Defining Algorithms	p. 209
	Sorting an Array	p. 210
	Sorting in Descending Order	p. 212
	Sorting a Dictionary	p. 213
	Sorting by Multiple Pieces of Information	p. 216
Hour 17	Saving Data	p. 219
	Enabling Data Stores	p. 219
	Creating a Data Store	p. 220
	Using Data in the Store	p. 220
	Limiting the Number of Calls	p. 225
	Protecting Your Data	p. 225
	Saving Player Data	p. 226
	Using UpdateAsync to Update a Data Store	p. 226
Hour 18	Creating a Game Loop	p. 229
	Setting Up Game Loops	p. 229
	Working with BindableEvents	p. 230
Hour 19	Monetization: One-Time Purchases	p. 243
	Adding Passes to Your Experience	p. 243
	Configuring the Pass	p. 246
	Prompting In-Game Purchases	p. 247
Hour 20	Object-Oriented Programming	p. 259
	What Is OOP?	p. 259
	Organizing Code and Projects	p. 259
	Making a New Class	p. 260
	Adding Class Properties	p. 261
	Using Class Functions	p. 263
Hour 21	Inheritance	p. 271
	Setting Up Inheritance	p. 272
	Inheriting Properties	p. 274
	Working with Multiple Child Classes	p. 277
	Inheriting Functions	p. 278
	Understanding Polymorphism	p. 278
	Calling Parent Functions	p. 282
Hour 22	Raycasting	p. 287
	Setting Up the Function to Raycast	p. 287
	3D Math Trick: Getting the Direction	p. 289
	Setting Raycast Parameters	p. 290
	3D Math Trick: Limit Direction	p. 293
Hour 23	Plopping Objects in an Experience: Part 1	p. 297
	Setting Up the Object	p. 298
	Creating a Plop Button	p. 302
	Tracking Mouse Movements	p. 303
	Previewing the Object	p. 307
Hour 24	Plopping Objects in an Experience: Part 2	p. 313
	Detecting Mouse Input	p. 314
	Sending a Message to the Server	p. 316
	Getting the Message	p. 317
Appendix A	Roblox Basics	p. 321
	Keywords	p. 322
	DataType Index	p. 322
	Operators	p. 324
	Naming Conventions	p. 325
	Animation Easing	p. 325
	Possible Solutions to Exercises	p. 326
	Index	p. 355

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