diff options
author | Tim Blechmann <timblech@users.sourceforge.net> | 2004-07-14 22:07:27 +0000 |
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committer | IOhannes m zmölnig <zmoelnig@iem.at> | 2015-10-14 15:11:54 +0200 |
commit | ff2ee8fd80cce2c7102799169c6e272457b011ba (patch) | |
tree | 5152dd931f0eeec9b13e5630717e55a2c9b8d88d /sc4pd/source/IRand.cpp | |
parent | 6745d3a2fe6e45e54587bec5afe86fc7c171bb85 (diff) |
check in
svn path=/trunk/externals/tb/; revision=1862
Diffstat (limited to 'sc4pd/source/IRand.cpp')
-rw-r--r-- | sc4pd/source/IRand.cpp | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/sc4pd/source/IRand.cpp b/sc4pd/source/IRand.cpp new file mode 100644 index 0000000..05cc5f0 --- /dev/null +++ b/sc4pd/source/IRand.cpp @@ -0,0 +1,151 @@ +/* sc4pd + IRand, IRand~ + + 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: Assif Tsahar: Open Systems + +*/ + +#include <flext.h> +#include "SC_PlugIn.h" +#include "support.hpp" + + +#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 406) +#error You need at least FLEXT version 0.4.6 +#endif + + +/* ------------------------ IRand~ -------------------------------*/ + +class IRand_ar: + public flext_dsp +{ + FLEXT_HEADER(IRand_ar,flext_dsp); + +public: + IRand_ar(int argc, t_atom *argv); + +protected: + virtual void m_signal(int n, t_sample *const *in, t_sample *const *out); + virtual void m_dsp(int n, t_sample *const *in, t_sample *const *out); + +private: + float m_sample; + int lo; + int hi; + RGen rgen; +}; + +FLEXT_LIB_DSP_V("IRand~",IRand_ar); + +IRand_ar::IRand_ar(int argc, t_atom *argv) +{ + AtomList Args(argc,argv); + + if (Args.Count() != 2) + { + post("not enough arguments"); + return; + } + lo=int(sc_getfloatarg(Args,0)); + hi=int(sc_getfloatarg(Args,1)); + + rgen.init(0); //this should be changed + + AddOutSignal(); +} + +void IRand_ar::m_dsp(int n, t_sample *const *in, t_sample *const *out) +{ + int range = hi - lo; + m_sample = float(rgen.irand(range) + lo); +} + + +void IRand_ar::m_signal(int n, t_sample *const *in, + t_sample *const *out) +{ + t_sample *nout = *out; + + float sample = m_sample; + + for (int i = 0; i!= n;++i) + { + (*(nout)++) = sample; + } +} + + +/* ------------------------ IRand ---------------------------------*/ + +class IRand_kr: + public flext_base +{ + FLEXT_HEADER(IRand_kr,flext_base); + +public: + IRand_kr(int argc, t_atom *argv); + +protected: + void m_loadbang(); + +private: + int lo; + int hi; + RGen rgen; +}; + +FLEXT_LIB_V("IRand",IRand_kr); + +IRand_kr::IRand_kr(int argc, t_atom *argv) +{ + AtomList Args(argc,argv); + if (Args.Count() != 2) + { + post("not enough arguments"); + return; + } + lo=int(sc_getfloatarg(Args,0)); + hi=int(sc_getfloatarg(Args,1)); + + rgen.init(0); + + AddOutInt(); +} + +void IRand_kr::m_loadbang() +{ + int range = hi - lo; + + ToOutInt(0,rgen.irand(range) + lo); +} |