Version 4.0

include/Modulate.h

@@ -0,0 +1,61 @@
+/***************************************************/
+/*! \class Modulate
+    \brief STK periodic/random modulator.
+
+    This class combines random and periodic
+    modulations to give a nice, natural human
+    modulation function.
+
+    by Perry R. Cook and Gary P. Scavone, 1995 - 2002.
+*/
+/***************************************************/
+
+#if !defined(__MODULATE_H)
+#define __MODULATE_H
+
+#include "Stk.h"
+#include "WaveLoop.h"
+#include "SubNoise.h"
+#include "OnePole.h"
+
+class Modulate : public Stk
+{
+ public:
+  //! Class constructor.
+  Modulate();
+
+  //! Class destructor.
+  ~Modulate();
+
+  //! Reset internal state.
+  void reset();
+
+  //! Set the periodic (vibrato) rate or frequency in Hz.
+  void setVibratoRate(MY_FLOAT aRate);
+
+  //! Set the periodic (vibrato) gain.
+  void setVibratoGain(MY_FLOAT aGain);
+
+  //! Set the random modulation gain.
+  void setRandomGain(MY_FLOAT aGain);
+
+  //! Compute one output sample.
+  MY_FLOAT tick();
+
+  //! Return \e vectorSize outputs in \e vector.
+  virtual MY_FLOAT *tick(MY_FLOAT *vector, unsigned int vectorSize);
+
+  //! Return the last computed output value.
+  MY_FLOAT lastOut() const;
+
+ protected:
+  WaveLoop  *vibrato;
+  SubNoise *noise;
+  OnePole  *filter;
+  MY_FLOAT vibratoGain;
+  MY_FLOAT randomGain;
+  MY_FLOAT lastOutput;
+
+};
+
+#endif