spliting pmpd lib to single files

svn path=/trunk/externals/pmpd/; revision=5221

1 files changed, 161 insertions, 0 deletions

diff --git a/src/link.c b/src/link.c
new file mode 100755
index 0000000..459f4a2
--- /dev/null
+++ b/src/link.c
@@ -0,0 +1,161 @@
+#include "m_pd.h"
+#include "math.h"
+
+static t_class *linkKD_class;
+
+typedef struct _linkKD {
+  t_object  x_obj;
+  t_float raideur, viscosite, D2, longueur, distance_old, position1,  position2, position_old1, position_old2;
+  t_outlet *force1;
+  t_outlet *force2;
+  t_float Lmin, Lmax;

+  t_symbol *x_sym;  // receive
+} t_linkKD;
+
+void linkKD_float(t_linkKD *x, t_floatarg f1)
+{
+  x->position1 = f1;
+}
+
+void linkKD_bang(t_linkKD *x)
+{
+  t_float force1, force2, distance;
+

+  distance = (x->position2 - x->position1);

+//distance = abs(x->position2 - x->position1);

+  if (distance<0) distance = -distance;

+
+  force1 =  x->raideur*(distance-(x->longueur)) + x->viscosite*(distance - x->distance_old) ;

+

+  x->distance_old = distance;  

+
+  if (distance > x->Lmax) force1=0;
+  if (distance < x->Lmin) force1=0;
+

+   if (distance != 0)

+  {

+    force1 = force1 * (x->position2 - x->position1) / distance;

+  }

+

+  force2 = -force1 + (x->position_old2 - x->position2)*x->D2;

+  force1 += (x->position_old1 - x->position1)*x->D2;

+  // masse damping

+
+  outlet_float(x->force1, force1);
+  outlet_float(x->force2, force2);
+  
+ 

+  x->position_old1 = x->position1;

+  x->position_old2 = x->position2;

+
+}
+
+void linkKD_reset(t_linkKD *x)

+{

+  x->position1 = 0;

+  x->position2 = 0;

+

+  x->position_old1 = 0;

+  x->position_old2 = 0;

+

+  x->distance_old = x->longueur;

+}

+

+void linkKD_resetF(t_linkKD *x)

+{

+  x->position_old1 = x->position1;

+  x->position_old2 = x->position2;

+

+  x->distance_old = x->longueur;

+}

+

+void linkKD_resetl(t_linkKD *x)

+{

+  x->longueur = (x->position1 - x->position2);

+}
+
+void linkKD_setL(t_linkKD *x, t_float L)
+{
+  x->longueur = L;
+}
+
+void linkKD_setK(t_linkKD *x, t_float K)
+{
+  x->raideur = K;
+}
+
+void linkKD_setD(t_linkKD *x, t_float D)

+{

+  x->viscosite = D;

+}

+

+void linkKD_setD2(t_linkKD *x, t_float D2)

+{

+  x->D2 = D2;

+}

+
+void linkKD_Lmin(t_linkKD *x, t_float Lmin)

+{

+  x->Lmin = Lmin;

+}

+

+void linkKD_Lmax(t_linkKD *x, t_float Lmax)

+{

+  x->Lmax = Lmax;

+}

+

+static void linkKD_free(t_linkKD *x)

+{

+    pd_unbind(&x->x_obj.ob_pd, x->x_sym);

+}

+
+void *linkKD_new(t_symbol *s, t_floatarg L, t_floatarg K, t_floatarg D, t_floatarg D2 )
+{
+  
+  t_linkKD *x = (t_linkKD *)pd_new(linkKD_class);
+

+  x->x_sym = s;

+  pd_bind(&x->x_obj.ob_pd, s);

+
+  floatinlet_new(&x->x_obj, &x->position2);
+
+  x->force1=outlet_new(&x->x_obj, 0);
+  x->force2=outlet_new(&x->x_obj, 0);
+
+  x->position1 = 0;
+  x->position2 = 0;
+ 
+  x->raideur=K;
+  x->viscosite=D;

+  x->D2=D2;

+
+  x->Lmin= 0;

+  x->Lmax= 10000;

+
+  x->longueur=L;
+
+  return (void *)x;
+}
+
+void link_setup(void) 
+{
+  linkKD_class = class_new(gensym("link"),
+        (t_newmethod)linkKD_new,
+        (t_method)linkKD_free,

+		sizeof(t_linkKD),
+        CLASS_DEFAULT, A_DEFSYM, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);

+

+  class_addcreator((t_newmethod)linkKD_new, gensym("lia"), A_DEFSYM, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);

+
+  class_addfloat(linkKD_class, linkKD_float);
+  class_addbang(linkKD_class, linkKD_bang);
+  class_addmethod(linkKD_class, (t_method)linkKD_reset, gensym("reset"), 0);

+  class_addmethod(linkKD_class, (t_method)linkKD_resetl, gensym("resetL"), 0);

+  class_addmethod(linkKD_class, (t_method)linkKD_resetF, gensym("resetF"), 0);

+  class_addmethod(linkKD_class, (t_method)linkKD_setD, gensym("setD"), A_DEFFLOAT, 0);

+  class_addmethod(linkKD_class, (t_method)linkKD_setD2, gensym("setD2"), A_DEFFLOAT, 0);
+  class_addmethod(linkKD_class, (t_method)linkKD_setK, gensym("setK"), A_DEFFLOAT, 0);
+  class_addmethod(linkKD_class, (t_method)linkKD_setL, gensym("setL"), A_DEFFLOAT, 0);

+  class_addmethod(linkKD_class, (t_method)linkKD_Lmin, gensym("setLmin"), A_DEFFLOAT, 0);

+  class_addmethod(linkKD_class, (t_method)linkKD_Lmax, gensym("setLmax"), A_DEFFLOAT, 0);
+}