adding closestMass function to pmpd

svn path=/trunk/externals/pmpd/; revision=16162

1 files changed, 27 insertions, 1 deletions

diff --git a/pmpd.c b/pmpd.c
index d94f6e6..5c9f041 100644
--- a/pmpd.c
+++ b/pmpd.c
@@ -18,7 +18,7 @@
  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, see <http://www.gnu.org/licenses/>.
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.

                                                                               

  Based on PureData by Miller Puckette and others.                             

                                                                              

@@ -1765,6 +1765,31 @@ void pmpd_grabMass(t_pmpd *x, t_float posX, t_float grab)
 	}

 }

 

+void pmpd_closestMass(t_pmpd *x, t_float posX)

+{

+	t_float dist, tmp;

+	t_int i;

+	t_atom std_out[2];

+	

+	if ((x->nb_mass > 0))

+	{

+		dist = x->mass[0].posX - posX;

+		for (i=1; i<x->nb_mass; i++)

+		{

+			tmp = x->mass[i].posX - posX;

+			if (tmp < dist)

+			{

+				dist = tmp;

+				x->grab_nb= i;

+			}

+		}

+	}

+	SETFLOAT(&(std_out[0]),x->grab_nb);

+	SETFLOAT(&(std_out[1]), x->mass[x->grab_nb].posX);

+	outlet_anything(x->main_outlet, gensym("closestMass"),2,std_out);

+	

+}

+

 void *pmpd_new()

 {

 	t_pmpd *x = (t_pmpd *)pd_new(pmpd_class);

@@ -1868,5 +1893,6 @@ void pmpd_setup(void)
 */

 	

 	class_addmethod(pmpd_class, (t_method)pmpd_grabMass,        gensym("grabMass"), A_DEFFLOAT, A_DEFFLOAT, 0);

+	class_addmethod(pmpd_class, (t_method)pmpd_closestMass,        gensym("closestMass"), A_DEFFLOAT, 0);

 }