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authorTim Blechmann <timblech@users.sourceforge.net>2004-07-14 18:34:35 +0000
committerIOhannes m zmölnig <zmoelnig@iem.at>2015-10-14 15:11:54 +0200
commit6745d3a2fe6e45e54587bec5afe86fc7c171bb85 (patch)
treeacbf4c1ea7b241e79c545c18675af9109da7c61b /sc4pd/source
parentc51398d4fcc43ac9d72888191d65f44609f7eb5f (diff)
checking in
svn path=/trunk/externals/tb/; revision=1860
Diffstat (limited to 'sc4pd/source')
-rw-r--r--sc4pd/source/Rand.cpp151
1 files changed, 151 insertions, 0 deletions
diff --git a/sc4pd/source/Rand.cpp b/sc4pd/source/Rand.cpp
new file mode 100644
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+++ b/sc4pd/source/Rand.cpp
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+/* sc4pd
+ Rand, Rand~
+
+ 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: the sounds coming through my open window
+
+*/
+
+#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
+
+
+/* ------------------------ Rand~ -------------------------------*/
+
+class Rand_ar:
+ public flext_dsp
+{
+ FLEXT_HEADER(Rand_ar,flext_dsp);
+
+public:
+ Rand_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;
+ float lo;
+ float hi;
+ RGen rgen;
+};
+
+FLEXT_LIB_DSP_V("Rand~",Rand_ar);
+
+Rand_ar::Rand_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);
+
+ rgen.init(0); //this should be changed
+
+ AddOutSignal();
+}
+
+void Rand_ar::m_dsp(int n, t_sample *const *in, t_sample *const *out)
+{
+ float range = hi - lo;
+ m_sample = rgen.frand() * range + lo;
+}
+
+
+void Rand_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;
+ }
+}
+
+
+/* ------------------------ Rand ---------------------------------*/
+
+class Rand_kr:
+ public flext_base
+{
+ FLEXT_HEADER(Rand_kr,flext_base);
+
+public:
+ Rand_kr(int argc, t_atom *argv);
+
+protected:
+ void m_loadbang();
+
+private:
+ float lo;
+ float hi;
+ RGen rgen;
+};
+
+FLEXT_LIB_V("Rand",Rand_kr);
+
+Rand_kr::Rand_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);
+
+ rgen.init(0);
+
+ AddOutFloat();
+}
+
+void Rand_kr::m_loadbang()
+{
+ float range = hi - lo;
+
+ ToOutFloat(0,rgen.frand() * range + lo);
+}