2D Game Dev – Part 14.3 – Adding Audio to our Allegro 5 Game |

This post is a portion of Part 14 in my on going series about 2D Game Development using the Allegro 5 library. These posts are in course order. You can see all of the posts in this course by clicking the “2D Game Development” button at the top of this site.

14.0 – Finishing Our Game
14.1 – Adding Game States to our Allegro 5 Game
14.2 – Adding a Background to our Allegro 5 Game
14.3 – Adding Audio to our Allegro 5 Game
14.4 – Deploying our Allegro 5 Game in Visual Studio 2010

Let there be sound! I warn you now, I made all of these sounds myself and it was late at night. I am not responsible for how terrible they are. That being said, sounds really add a new dimension to the playability of the game. Honest!

Full source code can be found here.

11 Comments

Baker on July 15, 2012 at 10:35 pm

I’m guessing there is no particular reason you chose to call play the boom sfx in both CollideBullet() and CollideComet() instead of just calling it in StartExplosion().

Sepui on August 5, 2012 at 6:28 pm

Is there a different add-on that is required to play .ogg? The song never plays and when I press the space bar to fire a bullet, it crashes the app with “Assertion failed: (spl), function al_play_sample, file /Users/username/allegro/addons/audio/kcm_sample.c, line 321.” (Xcode in OS X 10.7).

I even tried to use your code file and it still crashes the game and I am not sure why. As soon as I convert the files to .wmv format all problems disappear…..

nortski on April 6, 2015 at 7:46 pm

Did you find an answer to this? I get the same error! I’m using .wav’s though.

Thanks.
Reply
- nortski on April 6, 2015 at 8:34 pm
  
  It is a problem with the FireBullets() function. I commented out:
  
  //al_play_sample(shot, 1, 0, 1, ALLEGRO_PLAYMODE_ONCE, 0);
  
  Now the bullets fire, but without the sound of course.
  
  Can anyone offer any help?
  Reply

Gezegond on January 14, 2013 at 12:19 pm

I lol’d at your “music”. It’s awesome.

Gezegond on January 14, 2013 at 1:57 pm

If you want sounds that fit the game you can use these:

sfx can be downloaded from Imphenzia Soundtrack:

http://soundtrack.imphenzia.com/sound-effects/

I used “laser 043 (quick noise)” for my bullet sounds and “explosion 068 (loud quick blast kickback)” for my explosions.

These are available for free to be used in commercial or non-commercial games.

===

For background music you can use this:

http://freepd.com/Trance/Trance%20K%20Space%20Trance

It’s in public domain, so you can use it however you want.

This one is only available in mp3, but you can convert it to ogg using this software:

http://download.cnet.com/Free-MP3-WMA-OGG-Converter/3000-2140_4-10793572.html

Underboss on October 18, 2013 at 1:41 am

That music puts Dr. Dre to shame. You should get your own headphones deal now. xD

Mike on October 28, 2013 at 4:15 pm

Wouldn’t that be awesome!
Reply
- Davian on April 9, 2014 at 1:31 am
  
  Your answer was just what I neddee. It’s made my day!
  Reply