From 275ac55a60fd7fcb5f126694384268595fa29c45 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Fri, 09 Aug 2019 14:11:54 +0000
Subject: [PATCH] Addition to build.sh

---
 src/frame.c |   21 +++++++++++++++++++--
 1 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/frame.c b/src/frame.c
index ec94292..5c473f7 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -1,3 +1,4 @@
+/* vim: set ts=4 sts=4 sw=4 noet : */
 #include<stdlib.h>
 #include "general.h"
 #include "cell.h"
@@ -8,6 +9,7 @@
 ts_bool centermass(ts_vesicle *vesicle){
     ts_uint i,j, n=vesicle->vlist->n;
     ts_vertex **vtx=vesicle->vlist->vtx;
+	ts_double temp_z_cm=0;
     vesicle->cm[0]=0;
     vesicle->cm[1]=0;
     vesicle->cm[2]=0;
@@ -19,6 +21,12 @@
     vesicle->cm[0]/=(ts_float)n;
     vesicle->cm[1]/=(ts_float)n;
     vesicle->cm[2]/=(ts_float)n;
+
+	//center mass for z component does not  change if we confine the vesicle with plates
+	if(vesicle->tape->plane_confinement_switch){
+		temp_z_cm=vesicle->cm[2];
+		vesicle->cm[2]=0;
+	}
 
     for(i=0;i<n;i++){
         vtx[i]->x-=vesicle->cm[0];
@@ -41,10 +49,16 @@
 			vesicle->filament_list->poly[i]->vlist->vtx[j]->z-=vesicle->cm[2];
 		}
     }
+//move nucleus for the same vector as we moved vesicle
+	vesicle->nucleus_center[0]-=vesicle->cm[0];
+	vesicle->nucleus_center[1]-=vesicle->cm[1];
+	vesicle->nucleus_center[2]-=vesicle->cm[2];
 
     vesicle->cm[0]=0.0;
     vesicle->cm[1]=0.0;
-    vesicle->cm[2]=0.0;
+	if(vesicle->tape->plane_confinement_switch){
+		vesicle->cm[2]=temp_z_cm;
+	}
 
     for(i=0;i<vesicle->tlist->n;i++){
         triangle_normal_vector(vesicle->tlist->tria[i]);
@@ -67,20 +81,23 @@
     }
 
 //Add all polymers to cells
+if(vesicle->poly_list!=NULL){
     for(i=0;i<vesicle->poly_list->n;i++){
 	for(j=0;j<vesicle->poly_list->poly[i]->vlist->n;j++){
     	cellidx=vertex_self_avoidance(vesicle, vesicle->poly_list->poly[i]->vlist->vtx[j]);
     	cell_add_vertex(vesicle->clist->cell[cellidx],vesicle->poly_list->poly[i]->vlist->vtx[j]);
 	}
     }
+}
 //Add all filaments to cells
+if(vesicle->filament_list!=NULL){
      for(i=0;i<vesicle->filament_list->n;i++){
 	for(j=0;j<vesicle->filament_list->poly[i]->vlist->n;j++){
     	cellidx=vertex_self_avoidance(vesicle, vesicle->filament_list->poly[i]->vlist->vtx[j]);
     	cell_add_vertex(vesicle->clist->cell[cellidx],vesicle->filament_list->poly[i]->vlist->vtx[j]);
 	}
     }
-   
+}   
 
     return TS_SUCCESS;
 }

--
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