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Diffstat (limited to 'sc4pd/source/Latoocarfian.cpp')
| -rw-r--r-- | sc4pd/source/Latoocarfian.cpp | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/sc4pd/source/Latoocarfian.cpp b/sc4pd/source/Latoocarfian.cpp new file mode 100644 index 0000000..1e20632 --- /dev/null +++ b/sc4pd/source/Latoocarfian.cpp @@ -0,0 +1,217 @@ +/* sc4pd + Latoocarfian, Latoocarfian~ + + Copyright (c) 2004 Tim Blechmann. + + This code is derived from: + SuperCollider real time audio synthesis system + Copyright (c) 2002 James McCartney. All rights reserved. + http://www.audiosynth.com + + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2 + of the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + Based on: + PureData by Miller Puckette and others. + http://www.crca.ucsd.edu/~msp/software.html + FLEXT by Thomas Grill + http://www.parasitaere-kapazitaeten.net/ext + SuperCollider by James McCartney + http://www.audiosynth.com + + Coded while listening to: Keith Rowe & John Tilbury: Duos For Doris + +*/ + +#include "sc4pd.hpp" + + +/* ------------------------ Latoocarfian~ -------------------------------*/ + +class Latoocarfian_ar: + public sc4pd_dsp +{ + FLEXT_HEADER(Latoocarfian_ar,sc4pd_dsp); + +public: + Latoocarfian_ar(int argc, t_atom *argv); + +protected: + virtual void m_signal(int n, t_sample *const *in, t_sample *const *out); + + void m_set_a(float f) + { + m_a = f; + } + + void m_set_b(float f) + { + m_b = f; + } + + void m_set_c(float f) + { + m_c = f; + } + + void m_set_d(float f) + { + m_d = f; + } + +private: + float m_x, m_y; //state + float m_a, m_b, m_c, m_d; //parameters + + FLEXT_CALLBACK_F(m_set_a); + FLEXT_CALLBACK_F(m_set_b); + FLEXT_CALLBACK_F(m_set_c); + FLEXT_CALLBACK_F(m_set_d); +}; + +FLEXT_LIB_DSP_V("Latoocarfian~",Latoocarfian_ar); + +Latoocarfian_ar::Latoocarfian_ar(int argc, t_atom *argv) + :m_x(4),m_y(1) +{ + FLEXT_ADDMETHOD_(0,"a",m_set_a); + FLEXT_ADDMETHOD_(0,"b",m_set_b); + FLEXT_ADDMETHOD_(0,"c",m_set_c); + FLEXT_ADDMETHOD_(0,"d",m_set_d); + + //parse arguments + AtomList Args(argc,argv); + if (Args.Count()!=4) + { + post("4 arguments needed"); + } + m_a = sc_getfloatarg(Args,0); + m_b = sc_getfloatarg(Args,1); + m_c = sc_getfloatarg(Args,2); + m_d = sc_getfloatarg(Args,3); + + AddOutSignal(); + AddOutSignal(); // supercollider is only using the x coordinate +} + + +void Latoocarfian_ar::m_signal(int n, t_sample *const *in, + t_sample *const *out) +{ + t_sample *xout = *out; + t_sample *yout = *(out+1); + + float a = m_a; + float b = m_b; + float c = m_c; + float d = m_d; + + float x = m_x; + float y = m_y; + + for (int i = 0; i!= n;++i) + { + float x_new=sin(y*b)+c*sin(x*b); + float y_new=sin(x*a)+d*sin(y*a); + (*(xout)++)=x=x_new; + (*(yout)++)=y=y_new; + } + m_x = x; + m_y = y; +} + + + +/* ------------------------ Latoocarfian ---------------------------------*/ + +class Latoocarfian_kr: + public flext_base +{ + FLEXT_HEADER(Latoocarfian_kr,flext_base); + +public: + Latoocarfian_kr(int argc, t_atom *argv); + +protected: + void m_perform(); + + void m_set_a(float f) + { + m_a = f; + } + + void m_set_b(float f) + { + m_b = f; + } + + void m_set_c(float f) + { + m_c = f; + } + + void m_set_d(float f) + { + m_d = f; + } + +private: + float m_x, m_y; //state + float m_a, m_b, m_c, m_d; //parameters + + FLEXT_CALLBACK_F(m_set_a); + FLEXT_CALLBACK_F(m_set_b); + FLEXT_CALLBACK_F(m_set_c); + FLEXT_CALLBACK_F(m_set_d); + FLEXT_CALLBACK(m_perform); +}; + + +FLEXT_LIB_V("Latoocarfian",Latoocarfian_kr); + +Latoocarfian_kr::Latoocarfian_kr(int argc, t_atom *argv) + :m_x(1),m_y(1) +{ + FLEXT_ADDMETHOD_(0,"a",m_set_a); + FLEXT_ADDMETHOD_(0,"b",m_set_b); + FLEXT_ADDMETHOD_(0,"c",m_set_c); + FLEXT_ADDMETHOD_(0,"d",m_set_d); + + FLEXT_ADDBANG(0,m_perform); + + //parse arguments + AtomList Args(argc,argv); + if (Args.Count()!=4) + { + post("4 arguments needed"); + } + m_a = sc_getfloatarg(Args,0); + m_b = sc_getfloatarg(Args,1); + m_c = sc_getfloatarg(Args,2); + m_d = sc_getfloatarg(Args,3); + + + AddOutFloat(); + AddOutFloat(); // one outlet more than sc +} + +void Latoocarfian_kr::m_perform() +{ + m_x=sin(m_y*m_b)+m_c*sin(m_x*m_b); + m_y=sin(m_x*m_a)+m_d*sin(m_y*m_a); + + ToOutFloat(0,m_x); + ToOutFloat(1,m_y); +} |