1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
#include "m_pd.h"
t_class *doubledelta_class;
typedef struct _doubledelta
{
t_object x_obj;
t_float f_now, f_prev, f_delta, f_delta_prev, f_doubledelta, fa;
t_outlet *delta, *doubledelta;
} t_doubledelta;
void doubledelta_float(t_doubledelta *y, t_floatarg f)
{
y->f_delta_prev = y->f_delta;
y->f_prev = y->f_now;
y->f_now = f;
y->f_delta = y->f_now - y->f_prev;
y->f_doubledelta = y->f_delta - y->f_delta_prev;
outlet_float(y->doubledelta, y->f_doubledelta);
outlet_float(y->delta, y->f_delta);
}
void doubledelta_bang(t_doubledelta *y)
{
outlet_float(y->doubledelta, y->f_doubledelta);
outlet_float(y->delta, y->f_delta);
}
void *doubledelta_new(t_floatarg f)
{
t_doubledelta *y = (t_doubledelta *)pd_new(doubledelta_class);
y->fa = f;
y->delta = outlet_new(&y->x_obj, gensym("float"));
y->doubledelta = outlet_new(&y->x_obj, gensym("float"));
return(void *)y;
}
void doubledelta_setup(void)
{
doubledelta_class = class_new(gensym("doubledelta"),
(t_newmethod)doubledelta_new,
0, sizeof(t_doubledelta),
0, A_DEFFLOAT, 0);
post("delta & delta-delta values, <morph_2016@yahoo.co.uk>");
class_addbang(doubledelta_class, doubledelta_bang);
class_addfloat(doubledelta_class, doubledelta_float);
}
|
