1 files changed, 41 insertions, 0 deletions
diff --git a/Runtime/Audio/AudioLowPassFilter.h b/Runtime/Audio/AudioLowPassFilter.h
new file mode 100644
index 0000000..16e2d05
--- /dev/null
+++ b/Runtime/Audio/AudioLowPassFilter.h
@@ -0,0 +1,41 @@
+#ifndef __AUDIOLOWPASS_FILTER_H__
+#define __AUDIOLOWPASS_FILTER_H__
+#include "AudioSourceFilter.h"
+#include "Runtime/Audio/AudioSource.h"
+#include "Runtime/Animation/AnimationCurveUtility.h"
+#include "Runtime/Math/AnimationCurve.h"
+
+#if ENABLE_AUDIO_FMOD
+
+class AudioLowPassFilter : public AudioFilter {
+public:
+	REGISTER_DERIVED_CLASS   (AudioLowPassFilter, AudioFilter)
+		DECLARE_OBJECT_SERIALIZE (AudioLowPassFilter)
+	AudioLowPassFilter (MemLabelId label, ObjectCreationMode mode);
+	
+	virtual void AwakeFromLoad (AwakeFromLoadMode awakeMode);
+	
+	virtual void CheckConsistency ();
+	virtual void Update();
+	virtual void AddToManager();
+
+	float GetCutoffFrequency() const { return m_CutoffFrequency; }
+	void SetCutoffFrequency(float value) { m_CutoffFrequency = value; Update(); SetDirty();}
+	float GetLowpassResonanceQ() const { return m_LowpassResonanceQ; }
+	void SetLowpassResonanceQ(float value) { m_LowpassResonanceQ = value; Update(); SetDirty();}	
+
+	AnimationCurve& GetCustomLowpassLevelCurve ();
+	const AnimationCurve& GetCustomLowpassLevelCurve () const;
+	void SetCustomLowpassLevelCurve(const AnimationCurve& curve);
+	
+	virtual void Reset();
+private:
+	AnimationCurve m_LowpassLevelCustomCurve;
+	float m_CutoffFrequency;
+	float m_LowpassResonanceQ;
+	bool m_NeedToNormalizeCurve;
+};
+
+
+#endif // ENABLE_AUDIO
+#endif // __AUDIOLOWPASS_FILTER_H__