From c53c7827595ee506d0f3d6d29159a675b1e963f2 Mon Sep 17 00:00:00 2001 From: "N.N." Date: Thu, 9 Aug 2012 09:46:44 +0000 Subject: adding function closestMass to pmpd2d svn path=/trunk/externals/pmpd/; revision=16160 --- pmpd2d.c | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) 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 . + along with this program. If not, see . 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; inb_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); } -- cgit v1.2.1