Home   Information   Classes   Download   Usage   Mail List   Requirements   Links   FAQ   Tutorial


BeeThree.h
1 #ifndef STK_BEETHREE_H
2 #define STK_BEETHREE_H
3 
4 #include "FM.h"
5 
6 namespace stk {
7 
8 /***************************************************/
40 /***************************************************/
41 
42 class BeeThree : public FM
43 {
44  public:
46 
49  BeeThree( void );
50 
52  ~BeeThree( void );
53 
55  void noteOn( StkFloat frequency, StkFloat amplitude );
56 
58  StkFloat tick( unsigned int channel = 0 );
59 
61 
68  StkFrames& tick( StkFrames& frames, unsigned int channel = 0 );
69 
70  protected:
71 
72 };
73 
74 inline StkFloat BeeThree :: tick( unsigned int )
75 {
76  StkFloat temp;
77 
78  if ( modDepth_ > 0.0 ) {
79  temp = 1.0 + ( modDepth_ * vibrato_.tick() * 0.1 );
80  waves_[0]->setFrequency( baseFrequency_ * temp * ratios_[0] );
81  waves_[1]->setFrequency( baseFrequency_ * temp * ratios_[1] );
82  waves_[2]->setFrequency( baseFrequency_ * temp * ratios_[2] );
83  waves_[3]->setFrequency( baseFrequency_ * temp * ratios_[3] );
84  }
85 
86  waves_[3]->addPhaseOffset( twozero_.lastOut() );
87  temp = control1_ * 2.0 * gains_[3] * adsr_[3]->tick() * waves_[3]->tick();
88  twozero_.tick( temp );
89 
90  temp += control2_ * 2.0 * gains_[2] * adsr_[2]->tick() * waves_[2]->tick();
91  temp += gains_[1] * adsr_[1]->tick() * waves_[1]->tick();
92  temp += gains_[0] * adsr_[0]->tick() * waves_[0]->tick();
93 
94  lastFrame_[0] = temp * 0.125;
95  return lastFrame_[0];
96 }
97 
98 inline StkFrames& BeeThree :: tick( StkFrames& frames, unsigned int channel )
99 {
100  unsigned int nChannels = lastFrame_.channels();
101 #if defined(_STK_DEBUG_)
102  if ( channel > frames.channels() - nChannels ) {
103  oStream_ << "BeeThree::tick(): channel and StkFrames arguments are incompatible!";
104  handleError( StkError::FUNCTION_ARGUMENT );
105  }
106 #endif
107 
108  StkFloat *samples = &frames[channel];
109  unsigned int j, hop = frames.channels() - nChannels;
110  if ( nChannels == 1 ) {
111  for ( unsigned int i=0; i<frames.frames(); i++, samples += hop )
112  *samples++ = tick();
113  }
114  else {
115  for ( unsigned int i=0; i<frames.frames(); i++, samples += hop ) {
116  *samples++ = tick();
117  for ( j=1; j<nChannels; j++ )
118  *samples++ = lastFrame_[j];
119  }
120  }
121 
122  return frames;
123 }
124 
125 } // stk namespace
126 
127 #endif

The Synthesis ToolKit in C++ (STK)
©1995--2014 Perry R. Cook and Gary P. Scavone. All Rights Reserved.