adding function closestMass to pmpd2d

svn path=/trunk/externals/pmpd/; revision=16160

1 files changed, 28 insertions, 1 deletions

diff --git a/pmpd2d.c b/pmpd2d.c
index 031931a..451867e 100644
--- a/pmpd2d.c
+++ b/pmpd2d.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.                             

                                                                              

@@ -3668,6 +3668,32 @@ void pmpd2d_grabMass(t_pmpd2d *x, t_float posX, t_float posY, t_float grab)
 	}

 }

 

+void pmpd2d_closestMass(t_pmpd2d *x, t_float posX, t_float posY)

+{

+	t_float dist, tmp;

+	t_int i;

+	t_atom std_out[3];

+

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

+	{

+		dist = sqr(x->mass[0].posX - posX) + sqr(x->mass[0].posY - posY);

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

+		{

+			tmp = sqr(x->mass[i].posX - posX) + sqr(x->mass[i].posY - posY);

+			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);

+	SETFLOAT(&(std_out[2]), x->mass[x->grab_nb].posY);

+	outlet_anything(x->main_outlet, gensym("closestMass"),3,std_out);

+

+}

+

 void *pmpd2d_new()

 {

 	t_pmpd2d *x = (t_pmpd2d *)pd_new(pmpd2d_class);

@@ -3812,6 +3838,7 @@ void pmpd2d_setup(void)
 */

 

 	class_addmethod(pmpd2d_class, (t_method)pmpd2d_grabMass,        gensym("grabMass"), A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);

+	class_addmethod(pmpd2d_class, (t_method)pmpd2d_closestMass,        gensym("closestMass"), A_DEFFLOAT, A_DEFFLOAT, 0);

 

 }