From e8c4bf707d8d8c0525b0d32c19fb1f406481b79e Mon Sep 17 00:00:00 2001
From: Cyrille Henry <nusmuk@users.sourceforge.net>
Date: Fri, 2 Oct 2015 12:46:42 +0000
Subject: add spherical coordinate set and get messages

svn path=/trunk/externals/pmpd/; revision=17571
---
 pmpd3d_tab.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

(limited to 'pmpd3d_tab.c')

diff --git a/pmpd3d_tab.c b/pmpd3d_tab.c
index 0ca41da..cc8f454 100644
--- a/pmpd3d_tab.c
+++ b/pmpd3d_tab.c
@@ -1,3 +1,7 @@
+#define car2sphR(z,x,y) (sqrt(x*x + y*y + z*z))
+#define car2sphTeta(z,x,y,r) (acos(z/r))
+#define car2sphPhy(z,x,y) (atan2(y,x))
+
 void pmpd3d_massesPosT(t_pmpd3d *x, t_symbol *s, int argc, t_atom *argv)
 {
     int i, j, vecsize;
@@ -54,6 +58,65 @@ void pmpd3d_massesPosT(t_pmpd3d *x, t_symbol *s, int argc, t_atom *argv)
     }
 }
 
+void pmpd3d_massesPosSphericalT(t_pmpd3d *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int i, j, vecsize;
+    t_garray *a;
+    t_word *vec;
+    t_float R;
+    
+    if ( (argc==1) && (argv[0].a_type == A_SYMBOL) ) // table name
+    {
+        t_symbol *tab_name = atom_getsymbolarg(0, argc, argv);
+        if (!(a = (t_garray *)pd_findbyclass(tab_name, garray_class)))
+            pd_error(x, "%s: no such array", tab_name->s_name);
+        else if (!garray_getfloatwords(a, &vecsize, &vec))
+            pd_error(x, "%s: bad template for tabwrite", tab_name->s_name);
+        else
+        {
+            int taille_max = x->nb_mass;
+            taille_max = min(taille_max, vecsize/3 );
+            for (i=0; i < taille_max ; i++)
+            {   
+                R = car2sphR(x->mass[i].posX, x->mass[i].posY, x->mass[i].posZ);
+                vec[3*i  ].w_float = R;
+                vec[3*i+1].w_float = car2sphTeta(x->mass[i].posX, x->mass[i].posY, x->mass[i].posZ, R);
+                vec[3*i+2].w_float = car2sphPhy(x->mass[i].posX, x->mass[i].posY, x->mass[i].posZ);
+            }
+            garray_redraw(a);
+        }
+    }
+    else 
+    if ( (argc==2) && (argv[0].a_type == A_SYMBOL) && (argv[1].a_type == A_SYMBOL) ) // mass Id; table name; 
+    {
+        t_symbol *tab_name = atom_getsymbolarg(0, argc, argv);
+        if (!(a = (t_garray *)pd_findbyclass(tab_name, garray_class)))
+            pd_error(x, "%s: no such array", tab_name->s_name);
+        else if (!garray_getfloatwords(a, &vecsize, &vec))
+            pd_error(x, "%s: bad template for tabwrite", tab_name->s_name);
+        else
+        {    
+            i = 0;
+            j = 0;
+            while ((i < vecsize-2) && (j < x->nb_mass))
+            {
+                if (atom_getsymbolarg(1,argc,argv) == x->mass[j].Id)
+                {
+                    R =  car2sphR(x->mass[j].posX, x->mass[j].posY, x->mass[j].posZ);
+                    vec[i].w_float = R;
+                    i++;
+                    vec[i].w_float = car2sphTeta(x->mass[j].posX, x->mass[j].posY, x->mass[j].posZ, R);
+                    i++;
+                    vec[i].w_float = car2sphPhy(x->mass[j].posX, x->mass[j].posY, x->mass[j].posZ);
+                    i++;
+                }
+                j++;
+            }
+            garray_redraw(a);
+        }
+    }
+}
+
 void pmpd3d_massesSpeedsT(t_pmpd3d *x, t_symbol *s, int argc, t_atom *argv)
 {
     int i, j, vecsize;
-- 
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