Changeset 6372 for code/branches/presentation2/src/orxonox/sound

Timestamp:

Dec 17, 2009, 4:52:45 PM (15 years ago)

Author:

rgrieder

Message:

Added new XML parameter for the Scene: soundReferenceDistance.
This value represents the distance to a sound source where the gain is still 1.0. Further away it will decrease with 1/(distance - soundReferenceDistance).
Default value is 20.

Location:

code/branches/presentation2/src/orxonox/sound

Files:

• BaseSound.cc (modified) (1 diff)
• WorldSound.cc (modified) (2 diffs)

code/branches/presentation2/src/orxonox/sound/BaseSound.cc

@@ -132 +132 @@
         alSource3f(this->audioSource_, AL_VELOCITY,  0, 0, 0);
         alSource3f(this->audioSource_, AL_DIRECTION, 0, 0, 0);
-        alSourcei(this->audioSource_, AL_REFERENCE_DISTANCE, 20);
-        alSourcei(this->audioSource_, AL_MAX_DISTANCE, 10000);
         if (ALint error = alGetError())
             COUT(2) << "Sound Warning: Setting source parameters to 0 failed: "

code/branches/presentation2/src/orxonox/sound/WorldSound.cc

@@ -35 +35 @@
 #include "core/EventIncludes.h"
 #include "core/XMLPort.h"
+#include "Scene.h"
 #include "SoundManager.h"
 #include <core/ConsoleCommandCompilation.h>
@@ -79 +80 @@
     {
         BaseSound::initialiseSource();
+        if (this->getScene())
+        {
+            float refDist = this->getScene()->getSoundReferenceDistance();
+            alSourcei(this->audioSource_, AL_REFERENCE_DISTANCE, refDist);
+            // TODO: 500 is very magical here. Derive something better
+            alSourcei(this->audioSource_, AL_MAX_DISTANCE, refDist * 500);
+        }
         this->tick(0); // update position, orientation and velocity
     }