Added description of a single function in vertex.c

Samo Penic

2015-02-24 063f2e5464f1e0e7cc2766b2cd94b8ca8c242a3d

 src/vesicle.c

@@ -60,3 +60,20 @@
    vesicle->volume=volume;
    return TS_SUCCESS;
}

/* @brief Function makes a sum of partial areas of each triangle.
 *
 *
 *
 */
ts_bool vesicle_area(ts_vesicle *vesicle){
    ts_double area;
    ts_uint i;
    ts_triangle **tria=vesicle->tlist->tria;
    area=0;
    for(i=0;i<vesicle->tlist->n;i++){
        area=area+tria[i]->area;
    }
    vesicle->area=area;
    return TS_SUCCESS;
}