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Whistle.h
1 #ifndef STK_WHISTLE_H
2 #define STK_WHISTLE_H
3
4 #include "Instrmnt.h"
5 #include "Sphere.h"
6 #include "Vector3D.h"
7 #include "Noise.h"
8 #include "SineWave.h"
9 #include "OnePole.h"
10 #include "Envelope.h"
11
12 namespace stk {
13
14 /***************************************************/
30 /***************************************************/
31
32 class Whistle : public Instrmnt
33 {
34 public:
36
39 Whistle( void );
40
42 ~Whistle( void );
43
45 void clear( void );
46
48 void setFrequency( StkFloat frequency );
49
51 void startBlowing( StkFloat amplitude, StkFloat rate );
52
54 void stopBlowing( StkFloat rate );
55
57 void noteOn( StkFloat frequency, StkFloat amplitude );
58
60 void noteOff( StkFloat amplitude );
61
63 void controlChange( int number, StkFloat value );
64
66 StkFloat tick( unsigned int channel = 0 );
67
69
76 StkFrames& tick( StkFrames& frames, unsigned int channel = 0 );
77
78 protected:
79
80 Vector3D *tempVectorP_;
81 Vector3D tempVector_;
82 OnePole onepole_;
83 Noise noise_;
84 Envelope envelope_;
85 Sphere can_; // Declare a Spherical "can".
86 Sphere pea_, bumper_; // One spherical "pea", and a spherical "bumper".
87
88 SineWave sine_;
89
90 StkFloat baseFrequency_;
91 StkFloat noiseGain_;
92 StkFloat fippleFreqMod_;
93 StkFloat fippleGainMod_;
94 StkFloat blowFreqMod_;
95 StkFloat tickSize_;
96 StkFloat canLoss_;
97 int subSample_, subSampCount_;
98 };
99
100 inline StkFrames& Whistle :: tick( StkFrames& frames, unsigned int channel )
101 {
102 unsigned int nChannels = lastFrame_.channels();
103 #if defined(_STK_DEBUG_)
104 if ( channel > frames.channels() - nChannels ) {
105 oStream_ << "Whistle::tick(): channel and StkFrames arguments are incompatible!";
106 handleError( StkError::FUNCTION_ARGUMENT );
107 }
108 #endif
109
110 StkFloat *samples = &frames[channel];
111 unsigned int j, hop = frames.channels() - nChannels;
112 if ( nChannels == 1 ) {
113 for ( unsigned int i=0; i<frames.frames(); i++, samples += hop )
114 *samples++ = tick();
115 }
116 else {
117 for ( unsigned int i=0; i<frames.frames(); i++, samples += hop ) {
118 *samples++ = tick();
119 for ( j=1; j<nChannels; j++ )
120 *samples++ = lastFrame_[j];
121 }
122 }
123
124 return frames;
125 }
126
127 } // stk namespace
128 #endif

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