ma_vec3f position; /* The absolute position of the listener. */
ma_atomic_vec3f position; /* The absolute position of the listener. */
ma_vec3f direction; /* The direction the listener is facing. The world up vector is config.worldUp. */
ma_atomic_vec3f direction; /* The direction the listener is facing. The world up vector is config.worldUp. */
ma_vec3f velocity;
ma_atomic_vec3f velocity;
ma_bool32 isEnabled;
ma_bool32 isEnabled;
/* Memory management. */
/* Memory management. */
...
@@ -5108,9 +5114,9 @@ typedef struct
...
@@ -5108,9 +5114,9 @@ typedef struct
float dopplerFactor; /* Set to 0 to disable doppler effect. */
float dopplerFactor; /* Set to 0 to disable doppler effect. */
float directionalAttenuationFactor; /* Set to 0 to disable directional attenuation. */
float directionalAttenuationFactor; /* Set to 0 to disable directional attenuation. */
ma_uint32 gainSmoothTimeInFrames; /* When the gain of a channel changes during spatialization, the transition will be linearly interpolated over this number of frames. */
ma_uint32 gainSmoothTimeInFrames; /* When the gain of a channel changes during spatialization, the transition will be linearly interpolated over this number of frames. */
ma_vec3f position;
ma_atomic_vec3f position;
ma_vec3f direction;
ma_atomic_vec3f direction;
ma_vec3f velocity; /* For doppler effect. */
ma_atomic_vec3f velocity; /* For doppler effect. */
float dopplerPitch; /* Will be updated by ma_spatializer_process_pcm_frames() and can be used by higher level functions to apply a pitch shift for doppler effect. */
float dopplerPitch; /* Will be updated by ma_spatializer_process_pcm_frames() and can be used by higher level functions to apply a pitch shift for doppler effect. */
ma_gainer gainer; /* For smooth gain transitions. */
ma_gainer gainer; /* For smooth gain transitions. */
float* pNewChannelGainsOut; /* An offset of _pHeap. Used by ma_spatializer_process_pcm_frames() to store new channel gains. The number of elements in this array is equal to config.channelsOut. */
float* pNewChannelGainsOut; /* An offset of _pHeap. Used by ma_spatializer_process_pcm_frames() to store new channel gains. The number of elements in this array is equal to config.channelsOut. */
return ma_atomic_vec3f_get((ma_atomic_vec3f*)&pListener->position); /* Naughty const-cast. It's just for atomically loading the vec3 which should be safe. */
}
}
MA_API void ma_spatializer_listener_set_direction(ma_spatializer_listener* pListener, float x, float y, float z)
MA_API void ma_spatializer_listener_set_direction(ma_spatializer_listener* pListener, float x, float y, float z)
return ma_atomic_vec3f_get((ma_atomic_vec3f*)&pListener->direction); /* Naughty const-cast. It's just for atomically loading the vec3 which should be safe. */
}
}
MA_API void ma_spatializer_listener_set_velocity(ma_spatializer_listener* pListener, float x, float y, float z)
MA_API void ma_spatializer_listener_set_velocity(ma_spatializer_listener* pListener, float x, float y, float z)
return ma_atomic_vec3f_get((ma_atomic_vec3f*)&pListener->velocity); /* Naughty const-cast. It's just for atomically loading the vec3 which should be safe. */
return ma_atomic_vec3f_get((ma_atomic_vec3f*)&pSpatializer->position); /* Naughty const-cast. It's just for atomically loading the vec3 which should be safe. */
}
}
MA_API void ma_spatializer_set_direction(ma_spatializer* pSpatializer, float x, float y, float z)
MA_API void ma_spatializer_set_direction(ma_spatializer* pSpatializer, float x, float y, float z)
return ma_atomic_vec3f_get((ma_atomic_vec3f*)&pSpatializer->direction); /* Naughty const-cast. It's just for atomically loading the vec3 which should be safe. */
}
}
MA_API void ma_spatializer_set_velocity(ma_spatializer* pSpatializer, float x, float y, float z)
MA_API void ma_spatializer_set_velocity(ma_spatializer* pSpatializer, float x, float y, float z)
return ma_atomic_vec3f_get((ma_atomic_vec3f*)&pSpatializer->velocity); /* Naughty const-cast. It's just for atomically loading the vec3 which should be safe. */
We need to calcualte the right vector from our forward and up vectors. This is done with
We need to calcualte the right vector from our forward and up vectors. This is done with
a cross product.
a cross product.
*/
*/
axisZ = ma_vec3f_normalize(pListener->direction); /* Normalization required here because we can't trust the caller. */
axisZ = ma_vec3f_normalize(listenerDirection); /* Normalization required here because we can't trust the caller. */
axisX = ma_vec3f_normalize(ma_vec3f_cross(axisZ, pListener->config.worldUp)); /* Normalization required here because the world up vector may not be perpendicular with the forward vector. */
axisX = ma_vec3f_normalize(ma_vec3f_cross(axisZ, pListener->config.worldUp)); /* Normalization required here because the world up vector may not be perpendicular with the forward vector. */
