From ff2ee8fd80cce2c7102799169c6e272457b011ba Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Wed, 14 Jul 2004 22:07:27 +0000 Subject: check in svn path=/trunk/externals/tb/; revision=1862 --- sc4pd/source/TExpRand.cpp | 203 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 203 insertions(+) create mode 100644 sc4pd/source/TExpRand.cpp (limited to 'sc4pd/source/TExpRand.cpp') diff --git a/sc4pd/source/TExpRand.cpp b/sc4pd/source/TExpRand.cpp new file mode 100644 index 0000000..806fba1 --- /dev/null +++ b/sc4pd/source/TExpRand.cpp @@ -0,0 +1,203 @@ +/* sc4pd + TExpRand, TExpRand~ + + 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 +#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 + + +/* ------------------------ TExpRand~ -------------------------------*/ + +class TExpRand_ar: + public flext_dsp +{ + FLEXT_HEADER(TExpRand_ar,flext_dsp); + +public: + TExpRand_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); + + void m_bang(); + + void m_sethi(float f) + { + hi = f; + ratio = hi / lo; + } + + void m_setlo(float f) + { + lo = f; + ratio = hi / lo; + } + +private: + float m_sample; + float lo; + float hi; + float ratio; + RGen rgen; + + FLEXT_CALLBACK(m_bang); + FLEXT_CALLBACK_F(m_setlo); + FLEXT_CALLBACK_F(m_sethi); +}; + +FLEXT_LIB_DSP_V("TExpRand~",TExpRand_ar); + +TExpRand_ar::TExpRand_ar(int argc, t_atom *argv) +{ + AtomList Args(argc,argv); + + if (Args.Count() != 2) + { + post("not enough arguments"); + return; + } + lo=sc_getfloatarg(Args,0); + hi=sc_getfloatarg(Args,1); + ratio = hi / lo; + + rgen.init(0); //this should be changed + + AddOutSignal(); + + FLEXT_ADDBANG(0,m_bang); + FLEXT_ADDMETHOD_(0,"setlo",m_setlo); + FLEXT_ADDMETHOD_(0,"sethi",m_sethi); +} + +void TExpRand_ar::m_dsp(int n, t_sample *const *in, t_sample *const *out) +{ + m_sample = pow(ratio, rgen.frand()) * lo; +} + + +void TExpRand_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; + } +} + +void TExpRand_ar::m_bang() +{ + m_sample = pow(ratio, rgen.frand()) * lo; +} + +/* ------------------------ TExpRand ---------------------------------*/ + +class TExpRand_kr: + public flext_base +{ + FLEXT_HEADER(TExpRand_kr,flext_base); + +public: + TExpRand_kr(int argc, t_atom *argv); + +protected: + void m_loadbang(); + void m_bang(); + + void m_sethi(float f) + { + hi = f; + ratio = hi / lo; + } + + void m_setlo(float f) + { + lo = f; + ratio = hi / lo; + } + +private: + float lo; + float hi; + float ratio; + RGen rgen; + FLEXT_CALLBACK(m_bang); + FLEXT_CALLBACK_F(m_setlo); + FLEXT_CALLBACK_F(m_sethi); +}; + +FLEXT_LIB_V("TExpRand",TExpRand_kr); + +TExpRand_kr::TExpRand_kr(int argc, t_atom *argv) +{ + AtomList Args(argc,argv); + if (Args.Count() != 2) + { + post("not enough arguments"); + return; + } + lo=sc_getfloatarg(Args,0); + hi=sc_getfloatarg(Args,1); + ratio = hi / lo; + + rgen.init(0); + + AddOutFloat(); + + FLEXT_ADDBANG(0,m_bang); + FLEXT_ADDMETHOD_(0,"setlo",m_setlo); + FLEXT_ADDMETHOD_(0,"sethi",m_sethi); +} + +void TExpRand_kr::m_loadbang() +{ + ToOutFloat(0,pow(ratio, rgen.frand()) * lo); +} + +void TExpRand_kr::m_bang() +{ + ToOutFloat(0,pow(ratio, rgen.frand()) * lo); +} -- cgit v1.2.1 From 9ecfff90135ec05498f9f55a39cd386c855a8571 Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Thu, 15 Jul 2004 19:05:05 +0000 Subject: rng have setable seed and other changes svn path=/trunk/externals/tb/; revision=1867 --- sc4pd/source/TExpRand.cpp | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) (limited to 'sc4pd/source/TExpRand.cpp') diff --git a/sc4pd/source/TExpRand.cpp b/sc4pd/source/TExpRand.cpp index 806fba1..b7ee16e 100644 --- a/sc4pd/source/TExpRand.cpp +++ b/sc4pd/source/TExpRand.cpp @@ -72,6 +72,11 @@ protected: lo = f; ratio = hi / lo; } + + void m_seed(int i) + { + rgen.init(i); + } private: float m_sample; @@ -83,6 +88,7 @@ private: FLEXT_CALLBACK(m_bang); FLEXT_CALLBACK_F(m_setlo); FLEXT_CALLBACK_F(m_sethi); + FLEXT_CALLBACK_I(m_seed); }; FLEXT_LIB_DSP_V("TExpRand~",TExpRand_ar); @@ -100,13 +106,14 @@ TExpRand_ar::TExpRand_ar(int argc, t_atom *argv) hi=sc_getfloatarg(Args,1); ratio = hi / lo; - rgen.init(0); //this should be changed + rgen.init(timeseed()); AddOutSignal(); FLEXT_ADDBANG(0,m_bang); FLEXT_ADDMETHOD_(0,"setlo",m_setlo); FLEXT_ADDMETHOD_(0,"sethi",m_sethi); + FLEXT_ADDMETHOD_(0,"seed",m_seed); } void TExpRand_ar::m_dsp(int n, t_sample *const *in, t_sample *const *out) @@ -159,6 +166,11 @@ protected: ratio = hi / lo; } + void m_seed(int i) + { + rgen.init(i); + } + private: float lo; float hi; @@ -167,6 +179,7 @@ private: FLEXT_CALLBACK(m_bang); FLEXT_CALLBACK_F(m_setlo); FLEXT_CALLBACK_F(m_sethi); + FLEXT_CALLBACK_I(m_seed); }; FLEXT_LIB_V("TExpRand",TExpRand_kr); @@ -183,13 +196,14 @@ TExpRand_kr::TExpRand_kr(int argc, t_atom *argv) hi=sc_getfloatarg(Args,1); ratio = hi / lo; - rgen.init(0); + rgen.init(timeseed()); AddOutFloat(); FLEXT_ADDBANG(0,m_bang); FLEXT_ADDMETHOD_(0,"setlo",m_setlo); FLEXT_ADDMETHOD_(0,"sethi",m_sethi); + FLEXT_ADDMETHOD_(0,"seed",m_seed); } void TExpRand_kr::m_loadbang() -- cgit v1.2.1 From 5e1268fb9920b248ee377797b130605f669c6dee Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Mon, 2 Aug 2004 19:18:22 +0000 Subject: main header file svn path=/trunk/externals/tb/; revision=1903 --- sc4pd/source/TExpRand.cpp | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) (limited to 'sc4pd/source/TExpRand.cpp') diff --git a/sc4pd/source/TExpRand.cpp b/sc4pd/source/TExpRand.cpp index b7ee16e..6e2b1c6 100644 --- a/sc4pd/source/TExpRand.cpp +++ b/sc4pd/source/TExpRand.cpp @@ -35,14 +35,7 @@ */ -#include -#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 +#include "sc4pd.hpp" /* ------------------------ TExpRand~ -------------------------------*/ -- cgit v1.2.1 From 89f570e5ebeab979202acf679974bafd05072692 Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Sat, 7 Aug 2004 14:01:31 +0000 Subject: sc4pd_dsp class and other changes svn path=/trunk/externals/tb/; revision=1912 --- sc4pd/source/TExpRand.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'sc4pd/source/TExpRand.cpp') diff --git a/sc4pd/source/TExpRand.cpp b/sc4pd/source/TExpRand.cpp index 6e2b1c6..a0087e7 100644 --- a/sc4pd/source/TExpRand.cpp +++ b/sc4pd/source/TExpRand.cpp @@ -41,9 +41,9 @@ /* ------------------------ TExpRand~ -------------------------------*/ class TExpRand_ar: - public flext_dsp + public sc4pd_dsp { - FLEXT_HEADER(TExpRand_ar,flext_dsp); + FLEXT_HEADER(TExpRand_ar,sc4pd_dsp); public: TExpRand_ar(int argc, t_atom *argv); -- cgit v1.2.1