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OpenGL Game Development By Example

You're reading from   OpenGL Game Development By Example Design and code your own 2D and 3D games efficiently using OpenGL and C++

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Product type Paperback
Published in Mar 2016
Publisher
ISBN-13 9781783288199
Length 340 pages
Edition 1st Edition
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Authors (2):
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Robert Madsen Robert Madsen
Author Profile Icon Robert Madsen
Robert Madsen
Stephen Madsen Stephen Madsen
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Stephen Madsen
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Toc

Table of Contents (14) Chapters Close

Initializing FMOD


The first code that we need to add is the code that will initialize the audio engine. Just like we must initialize OpenGL, the code will set up FMOD and check to see if there are any errors along the way.

Open RoboRacer2D.cpp and add the following code to the variable declarations area:

FMOD::System* audiomgr;

Then add the following function:

bool InitFmod()
{
  FMOD_RESULT result;
  result = FMOD::System_Create(&audiomgr);
  if (result != FMOD_OK)
  {
    return false;
  }
  result = audiomgr->init(50, FMOD_INIT_NORMAL, NULL);
  if (result != FMOD_OK)
  {
    return false;
  }
  return true;
}

This function creates the FMOD system and initializes it:

  • First, we define a variable to catch FMOD error codes

  • The System_Create call creates the engine and stores the results in audiomgr

  • We then initialize FMOD with 50 virtual channels, normal mode, and

Finally, we need call the InitAudio function. Modify the GameLoop function, adding the highlighted line:

void GameLoop(const float...
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