Added love.audio.set/getDopplerScale.

src/modules/audio/openal/Audio.cpp

@@ -256,6 +256,17 @@ void Audio::setVelocity(float *v)
 	alListenerfv(AL_VELOCITY, v);
 }
 
+void Audio::setDopplerScale(float scale)
+{
+	if (scale >= 0.0f)
+		alDopplerFactor(scale);
+}
+
+float Audio::getDopplerScale() const
+{
+	return alGetFloat(AL_DOPPLER_FACTOR);
+}
+
 void Audio::record()
 {
 	if (!canRecord()) return;

src/modules/audio/openal/Audio.h

@@ -85,6 +85,9 @@ public:
 	void getVelocity(float *v) const;
 	void setVelocity(float *v);
 
+	void setDopplerScale(float scale);
+	float getDopplerScale() const;
+
 	void record();
 	love::sound::SoundData *getRecordedData();
 	love::sound::SoundData *stopRecording(bool returnData);