From c2c6364dc7d23f21dabd2179e775e93ba4eeb252 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@fe.uni-lj.si>
Date: Tue, 06 Dec 2016 13:45:07 +0000
Subject: [PATCH] Merging again because I was merging in detached state
---
src/energy.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/src/energy.c b/src/energy.c
index 7c29c0b..996fb16 100644
--- a/src/energy.c
+++ b/src/energy.c
@@ -216,11 +216,11 @@
ts_double norml,ddp=0.0;
ts_uint i;
ts_double xnorm=0.0,ynorm=0.0,znorm=0.0;
- /*find normal of the vertex as average normal of all the triangles surrounding it. */
+ /*find normal of the vertex as sum of all the normals of the triangles surrounding it. */
for(i=0;i<vtx->tristar_no;i++){
- xnorm=vtx->tristar[i]->xnorm;
- ynorm=vtx->tristar[i]->ynorm;
- znorm=vtx->tristar[i]->znorm;
+ xnorm+=vtx->tristar[i]->xnorm;
+ ynorm+=vtx->tristar[i]->ynorm;
+ znorm+=vtx->tristar[i]->znorm;
}
/*normalize*/
norml=sqrt(xnorm*xnorm+ynorm*ynorm+znorm*znorm);
@@ -228,7 +228,7 @@
ynorm/=norml;
znorm/=norml;
/*calculate ddp, perpendicular displacement*/
- ddp=xnorm*(vtx->x-vtx_old->x)+xnorm*(vtx->y-vtx_old->y)+znorm*(vtx->z-vtx_old->z);
+ ddp=xnorm*(vtx->x-vtx_old->x)+ynorm*(vtx->y-vtx_old->y)+znorm*(vtx->z-vtx_old->z);
/*calculate dE*/
// printf("ddp=%e",ddp);
return vesicle->tape->F*ddp;
--
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