Trisurf Monte Carlo simulator
Samo Penic
2016-05-31 5c3143e7b7d0979d6eed07b6dfbe9f214159bdbb
src/vertexmove.c
@@ -1,3 +1,4 @@
/* vim: set ts=4 sts=4 sw=4 noet : */
#include<stdlib.h>
#include<math.h>
#include "general.h"
@@ -71,11 +72,21 @@
// TODO: Maybe faster if checks only nucleus-neighboring cells
// Nucleus penetration check:
   if (vtx->x*vtx->x + vtx->y*vtx->y + vtx->z*vtx->z < vesicle->R_nucleus){
#define SQ(x) x*x
if(vesicle->R_nucleus>0.0){
   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 (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