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Lua Game Development Cookbook

You're reading from   Lua Game Development Cookbook Over 70 recipes that will help you master the elements and best practices required to build a modern game engine using Lua

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Product type Paperback
Published in Jul 2015
Publisher
ISBN-13 9781849515504
Length 360 pages
Edition 1st Edition
Languages
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Author (1):
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Mário Kašuba Mário Kašuba
Author Profile Icon Mário Kašuba
Mário Kašuba
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Toc

Table of Contents (11) Chapters Close

Preface 1. Basics of the Game Engine 2. Events FREE CHAPTER 3. Graphics – Common Methods 4. Graphics – Legacy Method with OpenGL 1.x–2.1 5. Graphics – Modern Method with OpenGL 3.0+ 6. The User Interface 7. Physics and Game Mechanics 8. Artificial Intelligence 9. Sounds and Networking Index

Playing background music


Music playback works similarly to the sound sample playback with one exception that there's only one music channel and it's controlled separately from the other mixing channels.

What's more, music playback can be moved into a specific position, so it can be used as a simple music player if that's your intention.

Getting ready

The music channel is allocated automatically, so there's no need to allocate more mixing channels to play music.

How to do it…

The first step in playing music is:

  1. To load a sound file into memory with the SDL.Mix_LoadMUS function. In this case, you can use a different set of file formats, such as WAV, MOD, MIDI, OGG, MP3, or even FLAC. This function returns a handle upon success similar to sound samples. If there's a problem loading sound files, it returns the nil value:

    local fileName = 'sound_file.MP3'
    local musicHandle = SDL.Mix_LoadMUS(fileName)
  2. From this moment, you can use various functions to control music. The first one, SDL.Mix_PlayMusic, is...

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