code refactorisation, and few new fonctionalities copied from pmpd3d

svn path=/trunk/externals/pmpd/; revision=17073

1 files changed, 621 insertions, 0 deletions

diff --git a/pmpd2d_set.c b/pmpd2d_set.c
new file mode 100644
index 0000000..c3ed604
--- /dev/null
+++ b/pmpd2d_set.c
@@ -0,0 +1,621 @@
+void pmpd2d_setK(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_link-1, tmp));
+        x->link[tmp].K = atom_getfloatarg(1, argc, argv);
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_link; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
+            {
+                x->link[i].K = atom_getfloatarg(1, argc, argv);
+            }
+        }
+    }
+}
+
+void pmpd2d_setD(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_link-1, tmp));
+        x->link[tmp].D = atom_getfloatarg(1, argc, argv);
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_link; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
+            {
+                x->link[i].D = atom_getfloatarg(1, argc, argv);
+            }
+        }
+    }
+}
+
+void pmpd2d_setDEnv(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].D2 = atom_getfloatarg(1, argc, argv);
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].D2 = atom_getfloatarg(1, argc, argv);
+            }
+        }
+    }
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argc == 1 ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            x->mass[i].D2 = atom_getfloatarg(0, argc, argv);
+        }
+    }
+}
+
+void pmpd2d_setDEnvOffset(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].D2offset = atom_getfloatarg(1, argc, argv);
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].D2offset = atom_getfloatarg(1, argc, argv);
+            }
+        }
+    }
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argc == 1 ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            x->mass[i].D2offset = atom_getfloatarg(0, argc, argv);
+        }
+    }
+}
+
+void pmpd2d_setL(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_link-1, tmp));
+        x->link[tmp].L = atom_getfloatarg(1, argc, argv);
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_link; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
+            {
+                x->link[i].L = atom_getfloatarg(1, argc, argv);
+            }
+        }
+    }
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argc == 1 ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_link-1, tmp));
+        x->link[tmp].L = x->link[tmp].mass2->posX - x->link[tmp].mass1->posX;
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argc == 1 ) )
+    {
+        for (i=0; i< x->nb_link; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
+            {
+                x->link[i].L = x->link[i].mass2->posX - x->link[i].mass1->posX;
+            }
+        }
+    }
+}
+
+void pmpd2d_setLCurrent(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argc == 1 ) && ( argv[0].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_link-1, tmp));
+        x->link[tmp].L = x->link[tmp].mass2->posX - x->link[tmp].mass1->posX;
+    }
+    else if ( ( argc == 1 ) && ( argv[0].a_type == A_SYMBOL ) )
+    {
+        for (i=0; i< x->nb_link; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
+            {
+                x->link[i].L = x->link[i].mass2->posX - x->link[i].mass1->posX;
+            }
+        }
+    }
+    else if ( (argc == 2) && ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        i = atom_getfloatarg(0, argc, argv);
+        i = max(0, min( x->nb_link-1, i));
+        x->link[i].L = mix(x->link[i].L,x->link[i].distance,atom_getfloatarg(1, argc, argv));
+    }
+    else if ( (argc == 2) && ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_link; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
+            {
+                x->link[i].L = mix(x->link[i].L,x->link[i].distance,atom_getfloatarg(1, argc, argv));
+            }
+        }
+    }
+}
+
+void pmpd2d_setLKTab(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+    t_float K_l = atom_getfloatarg(1, argc, argv);
+    if (K_l <=  0) K_l = 1;
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_link-1, tmp));
+        x->link[tmp].K_L = K_l;
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_link; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
+            {
+                x->link[i].K_L = K_l;
+            }
+        }
+    }
+}
+
+void pmpd2d_setLDTab(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+    t_float D_l = atom_getfloatarg(1, argc, argv);
+    if (D_l <=  0) D_l = 1;
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_link-1, tmp));
+        x->link[tmp].D_L = D_l;
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_link; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
+            {
+                x->link[i].D_L = D_l;
+            }
+        }
+    }
+}
+
+void pmpd2d_setLinkId(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_SYMBOL ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_link-1, tmp));
+        x->link[tmp].Id = atom_getsymbolarg(1, argc, argv);
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_SYMBOL ) )
+    {
+        for (i=0; i< x->nb_link; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
+            {
+                x->link[i].Id = atom_getsymbolarg(1, argc, argv);
+            }
+        }
+    }
+}
+
+void pmpd2d_setMassId(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_SYMBOL ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].Id = atom_getsymbolarg(1, argc, argv);
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_SYMBOL ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].Id = atom_getsymbolarg(1, argc, argv);
+            }
+        }
+    }
+}
+
+void pmpd2d_setFixed(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( argv[0].a_type == A_FLOAT ) 
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].mobile = 0;
+    }
+    if ( argv[0].a_type == A_SYMBOL )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].mobile = 0;
+            }
+        }
+    }
+}
+
+void pmpd2d_setMobile(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( argv[0].a_type == A_FLOAT )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].mobile = 1;
+    }
+    if ( argv[0].a_type == A_SYMBOL ) 
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].mobile = 1;
+            }
+        }
+    }
+}
+
+void pmpd2d_setSpeed(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) && ( argv[2].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].speedX = atom_getfloatarg(1, argc, argv);
+        x->mass[tmp].speedY = atom_getfloatarg(2, argc, argv);
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) && ( argv[2].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].speedX = atom_getfloatarg(1, argc, argv);
+                x->mass[i].speedY = atom_getfloatarg(2, argc, argv);
+            }
+        }
+    }
+}
+
+void pmpd2d_setSpeedX(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].speedX = atom_getfloatarg(1, argc, argv);
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].speedX = atom_getfloatarg(1, argc, argv);
+            }
+        }
+    }
+}
+
+void pmpd2d_setSpeedY(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].speedY = atom_getfloatarg(1, argc, argv);
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].speedY = atom_getfloatarg(1, argc, argv);
+            }
+        }
+    }
+}
+
+void pmpd2d_setForce(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) && ( argv[2].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].forceX = atom_getfloatarg(1, argc, argv);
+        x->mass[tmp].forceY = atom_getfloatarg(2, argc, argv);
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) && ( argv[2].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].forceX = atom_getfloatarg(1, argc, argv);
+                x->mass[i].forceY = atom_getfloatarg(2, argc, argv);
+            }
+        }
+    }
+}
+
+void pmpd2d_setForceX(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].forceX = atom_getfloatarg(1, argc, argv);
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].forceX = atom_getfloatarg(1, argc, argv);
+            }
+        }
+    }
+}
+
+void pmpd2d_setForceY(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].forceY = atom_getfloatarg(1, argc, argv);
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].forceY = atom_getfloatarg(1, argc, argv);
+            }
+        }
+    }
+}
+
+void pmpd2d_setActive(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( (argc == 1) && ( argv[0].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_link-1, tmp));
+        x->link[tmp].active = 1;
+    }
+    else if ( (argc == 1) && ( argv[0].a_type == A_SYMBOL ) )
+    {
+        for (i=0; i< x->nb_link; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id )
+            {
+                x->link[i].active = 1;
+            }
+        }
+    }
+    else if ( argc == 0 ) 
+    {
+        for (i=0; i< x->nb_link; i++)
+        {
+			x->link[i].active = 1;
+        }
+    }
+}
+
+void pmpd2d_setInactive(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int tmp, i;
+
+    if ( (argc == 1) && ( argv[0].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_link-1, tmp));
+        x->link[tmp].active = 0;
+    }
+    else if ( (argc == 1) && ( argv[0].a_type == A_SYMBOL ) )
+    {
+        for (i=0; i< x->nb_link; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
+            {
+                x->link[i].active = 0;
+            }
+        }
+    }
+    else if ( argc == 0 ) 
+    {
+        for (i=0; i< x->nb_link; i++)
+        {
+			x->link[i].active = 0;
+        }
+    }
+}
+
+void pmpd2d_pos(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+// displace a mass to a certain position
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) && ( argv[2].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].posX = atom_getfloatarg(1, argc, argv);
+           x->mass[tmp].speedX = 0; 
+        x->mass[tmp].forceX = 0; 
+           x->mass[tmp].posY = atom_getfloatarg(2, argc, argv);
+           x->mass[tmp].speedY = 0; 
+        x->mass[tmp].forceY = 0; 
+        
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) && ( argv[2].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].posX = atom_getfloatarg(1, argc, argv);
+                x->mass[i].speedX = 0; 
+                x->mass[i].forceX = 0;
+                x->mass[i].posY = atom_getfloatarg(2, argc, argv);
+                x->mass[i].speedY = 0; 
+                x->mass[i].forceY = 0;
+
+            }
+        }
+    }
+}
+
+void pmpd2d_posX(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+// displace a mass to a certain position
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].posX = atom_getfloatarg(1, argc, argv);
+           x->mass[tmp].speedX = 0; 
+        x->mass[tmp].forceX = 0; 
+        
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].posX = atom_getfloatarg(1, argc, argv);
+                x->mass[i].speedX = 0; 
+                x->mass[i].forceX = 0;
+
+            }
+        }
+    }
+}
+
+void pmpd2d_posY(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+// displace a mass to a certain position
+    int tmp, i;
+
+    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        tmp = atom_getfloatarg(0, argc, argv);
+        tmp = max(0, min( x->nb_mass-1, tmp));
+        x->mass[tmp].posY = atom_getfloatarg(1, argc, argv);
+           x->mass[tmp].speedY = 0; 
+        x->mass[tmp].forceY = 0; 
+        
+    }
+    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+    {
+        for (i=0; i< x->nb_mass; i++)
+        {
+            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+            {
+                x->mass[i].posY = atom_getfloatarg(1, argc, argv);
+                x->mass[i].speedY = 0; 
+                x->mass[i].forceY = 0;
+            }
+        }
+    }
+}
+
+
+void pmpd2d_overdamp(t_pmpd2d *x, t_symbol *s, int argc, t_atom *argv)
+{
+// set the overdamped factor to a mass
+	t_int tmp, i;
+
+	if ( (argc == 2) && ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
+	{
+		tmp = atom_getfloatarg(0, argc, argv);
+		tmp = max(0, min( x->nb_mass-1, tmp));
+		x->mass[tmp].overdamp = atom_getfloatarg(1, argc, argv);
+	}
+	if ( (argc == 2) && ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
+	{
+		for (i=0; i< x->nb_mass; i++)
+		{
+			if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
+			{
+				x->mass[i].overdamp = atom_getfloatarg(1, argc, argv);
+			}
+		}
+	}
+}