1 files changed, 113 insertions, 0 deletions
diff --git a/src/tCircle2D.c b/src/tCircle2D.c
new file mode 100755
index 0000000..e4ba448
--- /dev/null
+++ b/src/tCircle2D.c
@@ -0,0 +1,113 @@
+#include "m_pd.h"
+#include "math.h"
+
+static t_class *tCircle2D_class;
+
+typedef struct _tCircle2D {
+  t_object  x_obj;
+  t_float  X, Y, Rmin, Rmax, distance_old;
+  t_outlet *force_new, *distance, *vitesse; // outlet
+} t_tCircle2D;
+
+
+void tCircle2D_position2D(t_tCircle2D *x, t_float X, t_float Y)
+{
+
+	t_float tmp, vitesse;
+
+	tmp = sqrt((X-x->X)*(X-x->X) + (Y-x->Y)*(Y-x->Y));
+
+	vitesse = tmp - x->distance_old ;
+
+	x->distance_old = tmp;
+
+	outlet_float(x->vitesse, vitesse);
+
+	outlet_float(x->distance, tmp);
+
+ 	if (  (tmp < x->Rmax) & (tmp >= x->Rmin))
+	{
+		outlet_float(x->force_new, 1);
+	}
+	else
+	{
+		outlet_float(x->force_new, 0);
+	}
+}
+
+void tCircle2D_XY(t_tCircle2D *x, t_float X, t_float Y)
+{
+   x->X= X;
+   x->Y= Y;
+}
+
+void tCircle2D_X(t_tCircle2D *x, t_float X)
+{
+   x->X= X;
+}
+
+void tCircle2D_Y(t_tCircle2D *x, t_float X)
+{
+   x->Y= X;
+}
+
+void tCircle2D_Rmin(t_tCircle2D *x, t_float X)
+{
+   x->Rmin= X;
+}
+
+void tCircle2D_Rmax(t_tCircle2D *x, t_float X)
+{
+   x->Rmax= X;
+}
+
+void *tCircle2D_new(t_symbol *s, int argc, t_atom *argv)
+{
+  t_tCircle2D *x = (t_tCircle2D *)pd_new(tCircle2D_class);
+  x->force_new=outlet_new(&x->x_obj, 0);
+  x->distance=outlet_new(&x->x_obj, 0);
+  x->vitesse=outlet_new(&x->x_obj, 0);
+
+  x->distance_old = 0;
+
+  if (argc>=4)
+    x->Rmax = atom_getfloatarg(3, argc, argv);
+  else
+    x->Rmax = 1;
+
+  if (argc>=3)
+    x->Rmin = atom_getfloatarg(2, argc, argv);
+  else
+    x->Rmin = 0;
+
+  if (argc>=2)
+    x->Y = atom_getfloatarg(1, argc, argv);
+  else
+    x->Y = 0;
+
+  if (argc>=1)
+    x->X = atom_getfloatarg(0, argc, argv);
+  else
+    x->X = 0;
+
+  return (x);
+}
+
+void tCircle2D_setup(void) 
+{
+
+  tCircle2D_class = class_new(gensym("tCircle2D"),
+        (t_newmethod)tCircle2D_new,
+        0, sizeof(t_tCircle2D),
+        CLASS_DEFAULT, A_GIMME, 0);
+
+  class_addcreator((t_newmethod)tCircle2D_new, gensym("pmpd.tCircle2D"), A_GIMME, 0);
+
+  class_addmethod(tCircle2D_class, (t_method)tCircle2D_position2D, gensym("position2D"), A_DEFFLOAT, A_DEFFLOAT, 0);
+
+  class_addmethod(tCircle2D_class, (t_method)tCircle2D_XY, gensym("setXY"), A_DEFFLOAT, A_DEFFLOAT, 0);
+  class_addmethod(tCircle2D_class, (t_method)tCircle2D_X, gensym("setX"), A_DEFFLOAT, 0);
+  class_addmethod(tCircle2D_class, (t_method)tCircle2D_Y, gensym("setY"), A_DEFFLOAT, 0);
+  class_addmethod(tCircle2D_class, (t_method)tCircle2D_Rmin, gensym("setRmin"), A_DEFFLOAT, 0);
+  class_addmethod(tCircle2D_class, (t_method)tCircle2D_Rmax, gensym("setRmax"), A_DEFFLOAT, 0);
+}