From 8b0873392ad0db55fdb9d0cdfc670366bc96a9c9 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Mon, 26 Apr 2010 03:10:47 +0000 Subject: converted maxlib to use libdir template, in preparations for debianizing it svn path=/trunk/externals/maxlib/; revision=13476 --- tilt.c | 189 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 189 insertions(+) create mode 100644 tilt.c (limited to 'tilt.c') diff --git a/tilt.c b/tilt.c new file mode 100644 index 0000000..dde587d --- /dev/null +++ b/tilt.c @@ -0,0 +1,189 @@ +/* ------------------------- tilt --------------------------------------------- */ +/* */ +/* Monitor input for changes. */ +/* Written by Olaf Matthes (olaf.matthes@gmx.de) */ +/* Inspired by code written by Trond Lossius. */ +/* Get source at http://www.akustische-kunst.org/puredata/maxlib/ */ +/* */ +/* 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. */ +/* */ +/* ---------------------------------------------------------------------------- */ + +#include "m_pd.h" +#include +#include + +#define MAXSIZE 32 + +static char *version = "tilt v0.1, written by Olaf Matthes "; + +typedef struct tilt +{ + t_object x_ob; + t_outlet *x_out; /* result */ + t_clock *x_clock; + + t_float x_tilt; /* the result */ + t_float x_start_tilt; + t_float x_t; + t_float x_sa; + t_float x_sb; + t_float x_offset; + t_float x_time; + t_float x_wait; + t_float x_hi_limit; + t_float x_low_limit; + t_float x_trip_point; +} t_tilt; + +static void tilt_tick(t_tilt *x) +{ + x->x_sb = x->x_t - x->x_offset; + if((x->x_sb - x->x_sa) > x->x_hi_limit) + { + x->x_sa = x->x_sb; + clock_delay(x->x_clock, x->x_wait); + return; + } + else + { + if((x->x_sb - x->x_sa) > x->x_trip_point) + { + outlet_bang(x->x_out); + clock_delay(x->x_clock, x->x_wait); + return; + } + if((x->x_sb - x->x_sa) < x->x_low_limit) + { + x->x_time++; + if(x->x_time > 15) + { + x->x_start_tilt = x->x_sa; + x->x_time = 0; + } + } + if((x->x_sb - x->x_start_tilt) > x->x_tilt) + { + outlet_bang(x->x_out); + clock_delay(x->x_clock, x->x_wait); + } + else + { + x->x_sa = x->x_sb; + clock_delay(x->x_clock, x->x_wait); + return; + } + } +} + +static void tilt_float(t_tilt *x, t_floatarg f) +{ + x->x_t = f; +} + +static void tilt_intv(t_tilt *x, t_floatarg f) +{ + x->x_wait = f; +} + +static void tilt_tilt(t_tilt *x, t_floatarg f) +{ + x->x_tilt = f; + post("tilt: set tilt to %g", x->x_tilt); +} + +static void tilt_hi_limit(t_tilt *x, t_floatarg f) +{ + x->x_hi_limit = f; + post("tilt: set high limit to %g", x->x_hi_limit); +} + +static void tilt_low_limit(t_tilt *x, t_floatarg f) +{ + x->x_low_limit = f; + post("tilt: set low limit to %g", x->x_low_limit); +} + +static void tilt_trip_point(t_tilt *x, t_floatarg f) +{ + x->x_trip_point = f; + post("tilt: set trip point to %g", x->x_trip_point); +} + +static void tilt_free(t_tilt *x) +{ + clock_free(x->x_clock); +} + +static t_class *tilt_class; + +static void *tilt_new(t_floatarg f, t_floatarg f2) +{ + int i; + + t_tilt *x = (t_tilt *)pd_new(tilt_class); + inlet_new(&x->x_ob, &x->x_ob.ob_pd, gensym("float"), gensym("intv")); + x->x_out = outlet_new(&x->x_ob, gensym("float")); + x->x_clock = clock_new(x, (t_method)tilt_tick); + + x->x_t = f; /* set initial value */ + if(f2 > 4) + x->x_wait = f2; + else + x->x_wait = 4000; + x->x_offset = 0; + x->x_sa = 0; + x->x_sb = 0; + x->x_time = 0; + x->x_tilt = 0; + x->x_start_tilt = x->x_sa = x->x_t - x->x_offset; + x->x_hi_limit = x->x_low_limit = x->x_trip_point = 0; + clock_delay(x->x_clock, x->x_wait); /* wait 4 sec and start calculation */ + + post("tilt: set interval to %g msec", x->x_wait); + return (void *)x; +} + +#ifndef MAXLIB +void tilt_setup(void) +{ + tilt_class = class_new(gensym("tilt"), (t_newmethod)tilt_new, + (t_method)tilt_free, sizeof(t_tilt), 0, A_DEFFLOAT, A_DEFFLOAT, 0); + class_addfloat(tilt_class, tilt_float); + class_addmethod(tilt_class, (t_method)tilt_intv, gensym("intv"), A_FLOAT, 0); + class_addmethod(tilt_class, (t_method)tilt_tilt, gensym("tilt"), A_FLOAT, 0); + class_addmethod(tilt_class, (t_method)tilt_hi_limit, gensym("hi"), A_FLOAT, 0); + class_addmethod(tilt_class, (t_method)tilt_low_limit, gensym("low"), A_FLOAT, 0); + class_addmethod(tilt_class, (t_method)tilt_trip_point, gensym("trip"), A_FLOAT, 0); + + post(version); +} +#else +void maxlib_tilt_setup(void) +{ + tilt_class = class_new(gensym("maxlib_tilt"), (t_newmethod)tilt_new, + (t_method)tilt_free, sizeof(t_tilt), 0, A_DEFFLOAT, A_DEFFLOAT, 0); + class_addcreator((t_newmethod)tilt_new, gensym("tilt"), A_DEFFLOAT, A_DEFFLOAT, 0); + class_addfloat(tilt_class, tilt_float); + class_addmethod(tilt_class, (t_method)tilt_intv, gensym("intv"), A_FLOAT, 0); + class_addmethod(tilt_class, (t_method)tilt_tilt, gensym("tilt"), A_FLOAT, 0); + class_addmethod(tilt_class, (t_method)tilt_hi_limit, gensym("hi"), A_FLOAT, 0); + class_addmethod(tilt_class, (t_method)tilt_low_limit, gensym("low"), A_FLOAT, 0); + class_addmethod(tilt_class, (t_method)tilt_trip_point, gensym("trip"), A_FLOAT, 0); + class_sethelpsymbol(tilt_class, gensym("maxlib/tilt-help.pd")); +} +#endif -- cgit v1.2.1