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WARNING: BREAKING: Redesigned SetSoundPan() and SetMusicPan() #5350

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Now it goes from -1.0 (full left) to 1.0 (full right) being 0.0 center
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Ray
2025-11-20 00:03:03 +01:00
parent 67f24b3b41
commit ba65bd7f99
2 changed files with 8 additions and 8 deletions
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12
src/raudio.c
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@@ -593,7 +593,7 @@ AudioBuffer *LoadAudioBuffer(ma_format format, ma_uint32 channels, ma_uint32 sam
// Init audio buffer values
audioBuffer->volume = 1.0f;
audioBuffer->pitch = 1.0f;
audioBuffer->pan = 0.5f;
audioBuffer->pan = 0.0f; // Center
audioBuffer->callback = NULL;
audioBuffer->processor = NULL;
@@ -720,7 +720,7 @@ void SetAudioBufferPitch(AudioBuffer *buffer, float pitch)
// Set pan for an audio buffer
void SetAudioBufferPan(AudioBuffer *buffer, float pan)
{
if (pan < 0.0f) pan = 0.0f;
if (pan < -1.0f) pan = -1.0f;
else if (pan > 1.0f) pan = 1.0f;
if (buffer != NULL)
@@ -985,10 +985,10 @@ Sound LoadSoundAlias(Sound source)
audioBuffer->sizeInFrames = source.stream.buffer->sizeInFrames;
audioBuffer->data = source.stream.buffer->data;
// initalize the buffer as if it was new
// Initalize the buffer as if it was new
audioBuffer->volume = 1.0f;
audioBuffer->pitch = 1.0f;
audioBuffer->pan = 0.5f;
audioBuffer->pan = 0.0f; // Center
sound.frameCount = source.frameCount;
sound.stream.sampleRate = AUDIO.System.device.sampleRate;
@@ -2605,8 +2605,8 @@ static void MixAudioFrames(float *framesOut, const float *framesIn, ma_uint32 fr
if (channels == 2) // We consider panning
{
const float left = buffer->pan;
const float right = 1.0f - left;
const float right = (buffer->pan + 1.0f)/2.0f; // Normalize: [-1..1] -> [0..1]
const float left = 1.0f - right;
// Fast sine approximation in [0..1] for pan law: y = 0.5f*x*(3 - x*x);
const float levels[2] = { localVolume*0.5f*left*(3.0f - left*left), localVolume*0.5f*right*(3.0f - right*right) };