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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 // Init audio buffer values
audioBuffer->volume = 1.0f; audioBuffer->volume = 1.0f;
audioBuffer->pitch = 1.0f; audioBuffer->pitch = 1.0f;
audioBuffer->pan = 0.5f; audioBuffer->pan = 0.0f; // Center
audioBuffer->callback = NULL; audioBuffer->callback = NULL;
audioBuffer->processor = NULL; audioBuffer->processor = NULL;
@ -720,7 +720,7 @@ void SetAudioBufferPitch(AudioBuffer *buffer, float pitch)
// Set pan for an audio buffer // Set pan for an audio buffer
void SetAudioBufferPan(AudioBuffer *buffer, float pan) 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; else if (pan > 1.0f) pan = 1.0f;
if (buffer != NULL) if (buffer != NULL)
@ -985,10 +985,10 @@ Sound LoadSoundAlias(Sound source)
audioBuffer->sizeInFrames = source.stream.buffer->sizeInFrames; audioBuffer->sizeInFrames = source.stream.buffer->sizeInFrames;
audioBuffer->data = source.stream.buffer->data; 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->volume = 1.0f;
audioBuffer->pitch = 1.0f; audioBuffer->pitch = 1.0f;
audioBuffer->pan = 0.5f; audioBuffer->pan = 0.0f; // Center
sound.frameCount = source.frameCount; sound.frameCount = source.frameCount;
sound.stream.sampleRate = AUDIO.System.device.sampleRate; 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 if (channels == 2) // We consider panning
{ {
const float left = buffer->pan; const float right = (buffer->pan + 1.0f)/2.0f; // Normalize: [-1..1] -> [0..1]
const float right = 1.0f - left; const float left = 1.0f - right;
// Fast sine approximation in [0..1] for pan law: y = 0.5f*x*(3 - x*x); // 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) }; const float levels[2] = { localVolume*0.5f*left*(3.0f - left*left), localVolume*0.5f*right*(3.0f - right*right) };

4
src/raylib.h
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@ -1672,7 +1672,7 @@ RLAPI void ResumeSound(Sound sound); // Resume
RLAPI bool IsSoundPlaying(Sound sound); // Check if a sound is currently playing RLAPI bool IsSoundPlaying(Sound sound); // Check if a sound is currently playing
RLAPI void SetSoundVolume(Sound sound, float volume); // Set volume for a sound (1.0 is max level) RLAPI void SetSoundVolume(Sound sound, float volume); // Set volume for a sound (1.0 is max level)
RLAPI void SetSoundPitch(Sound sound, float pitch); // Set pitch for a sound (1.0 is base level) RLAPI void SetSoundPitch(Sound sound, float pitch); // Set pitch for a sound (1.0 is base level)
RLAPI void SetSoundPan(Sound sound, float pan); // Set pan for a sound (0.5 is center) RLAPI void SetSoundPan(Sound sound, float pan); // Set pan for a sound (-1.0 left, 0.0 center, 1.0 right)
RLAPI Wave WaveCopy(Wave wave); // Copy a wave to a new wave RLAPI Wave WaveCopy(Wave wave); // Copy a wave to a new wave
RLAPI void WaveCrop(Wave *wave, int initFrame, int finalFrame); // Crop a wave to defined frames range RLAPI void WaveCrop(Wave *wave, int initFrame, int finalFrame); // Crop a wave to defined frames range
RLAPI void WaveFormat(Wave *wave, int sampleRate, int sampleSize, int channels); // Convert wave data to desired format RLAPI void WaveFormat(Wave *wave, int sampleRate, int sampleSize, int channels); // Convert wave data to desired format
@ -1693,7 +1693,7 @@ RLAPI void ResumeMusicStream(Music music); // Resume
RLAPI void SeekMusicStream(Music music, float position); // Seek music to a position (in seconds) RLAPI void SeekMusicStream(Music music, float position); // Seek music to a position (in seconds)
RLAPI void SetMusicVolume(Music music, float volume); // Set volume for music (1.0 is max level) RLAPI void SetMusicVolume(Music music, float volume); // Set volume for music (1.0 is max level)
RLAPI void SetMusicPitch(Music music, float pitch); // Set pitch for a music (1.0 is base level) RLAPI void SetMusicPitch(Music music, float pitch); // Set pitch for a music (1.0 is base level)
RLAPI void SetMusicPan(Music music, float pan); // Set pan for a music (0.5 is center) RLAPI void SetMusicPan(Music music, float pan); // Set pan for a music (-1.0 left, 0.0 center, 1.0 right)
RLAPI float GetMusicTimeLength(Music music); // Get music time length (in seconds) RLAPI float GetMusicTimeLength(Music music); // Get music time length (in seconds)
RLAPI float GetMusicTimePlayed(Music music); // Get current music time played (in seconds) RLAPI float GetMusicTimePlayed(Music music); // Get current music time played (in seconds)