From 5c3143e7b7d0979d6eed07b6dfbe9f214159bdbb Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Tue, 31 May 2016 19:42:00 +0000
Subject: [PATCH] Use nucleus displaced centre in vertex move

---
 src/vertexmove.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/vertexmove.c b/src/vertexmove.c
index 4caa86f..5a51c10 100644
--- a/src/vertexmove.c
+++ b/src/vertexmove.c
@@ -72,20 +72,21 @@
 
 // TODO: Maybe faster if checks only nucleus-neighboring cells
 // Nucleus penetration check:
+#define SQ(x) x*x
 if(vesicle->R_nucleus>0.0){
-	if (vtx->x*vtx->x + vtx->y*vtx->y + vtx->z*vtx->z < vesicle->R_nucleus){
+	if (SQ(vtx->x-vesicle->nucleus_center[0])+ SQ(vtx->y-vesicle->nucleus_center[1]) + SQ(vtx->z-vesicle->nucleus_center[2]) < vesicle->R_nucleus){
 		vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex));
 		return TS_FAIL;
 	}
 } else if(vesicle->R_nucleusX>0.0){
 //	fprintf(stderr,"DEBUG, (Rx, Ry,Rz)^2=(%f,%f,%f)\n",vesicle->R_nucleusX, vesicle->R_nucleusY, vesicle->R_nucleusZ);
-	if ((vtx->x*vtx->x)/vesicle->R_nucleusX + vtx->y*vtx->y/vesicle->R_nucleusY + (vtx->z*vtx->z)/vesicle->R_nucleusZ < 1.0){
+	if (SQ(vtx->x-vesicle->nucleus_center[0])/vesicle->R_nucleusX + SQ(vtx->y-vesicle->nucleus_center[1])/vesicle->R_nucleusY + SQ(vtx->z-vesicle->nucleus_center[2])/vesicle->R_nucleusZ < 1.0){
 		vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex));
 		return TS_FAIL;
 	}
 
 }
-
+#undef SQ
 //self avoidance check with distant vertices
 	cellidx=vertex_self_avoidance(vesicle, vtx);
 	//check occupation number

--
Gitblit v1.9.3