| | |
| | | |
| | | // TODO: Maybe faster if checks only nucleus-neighboring cells |
| | | // Nucleus penetration check: |
| | | #define SQ(x) x*x |
| | | //#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){ |
| | | if ((vtx->x-vesicle->nucleus_center[0])*(vtx->x-vesicle->nucleus_center[0])+ (vtx->y-vesicle->nucleus_center[1])*(vtx->y-vesicle->nucleus_center[1]) + (vtx->z-vesicle->nucleus_center[2])*(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){ |
| | | // 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){ |
| | | if ((vtx->x-vesicle->nucleus_center[0])*(vtx->x-vesicle->nucleus_center[0])/vesicle->R_nucleusX + (vtx->y-vesicle->nucleus_center[1])*(vtx->y-vesicle->nucleus_center[1])/vesicle->R_nucleusY + (vtx->z-vesicle->nucleus_center[2])*(vtx->z-vesicle->nucleus_center[2])/vesicle->R_nucleusZ < 1.0){ |
| | | // if (SQ(vtx->x)/vesicle->R_nucleusX + SQ(vtx->y)/vesicle->R_nucleusY + SQ(vtx->z)/vesicle->R_nucleusZ < 1.0){ |
| | | vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex)); |
| | | return TS_FAIL; |
| | | } |
| | | |
| | | } |
| | | #undef SQ |
| | | |
| | | // plane confinement check whether the new position of vertex will be out of bounds |
| | | if(vesicle->tape->plane_confinement_switch){ |
| | | if(vtx->z>vesicle->confinement_plane.z_max || vtx->z<vesicle->confinement_plane.z_min){ |
| | | 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 |
| | |
| | | } |
| | | |
| | | delta_energy=0; |
| | | |
| | | |
| | | |
| | | // vesicle_volume(vesicle); |
| | | // fprintf(stderr,"Volume in the beginning=%1.16e\n", vesicle->volume); |
| | | |
| | |
| | | delta_energy+=delta_energy_cv; |
| | | // fprintf(stderr,"Denergy after=%e\n",delta_energy); |
| | | } |
| | | /* Vertices with spontaneous curvature may have spontaneous force perpendicular to the surface of the vesicle. additional delta energy is calculated in this function */ |
| | | delta_energy+=direct_force_energy(vesicle,vtx,backupvtx); |
| | | /* No poly-bond energy for now! |
| | | if(vtx->grafted_poly!=NULL){ |
| | | delta_energy+= |
| | |
| | | pow(sqrt(vtx_distance_sq(&backupvtx[0], vtx->grafted_poly->vlist->vtx[0])-1),2)) *vtx->grafted_poly->k; |
| | | } |
| | | */ |
| | | |
| | | // plane confinement energy due to compressing force |
| | | if(vesicle->tape->plane_confinement_switch){ |
| | | if(vesicle->confinement_plane.force_switch){ |
| | | //substract old energy |
| | | if(abs(vesicle->tape->plane_d/2.0-vesicle->confinement_plane.z_max)>1e-10) { |
| | | delta_energy-=vesicle->tape->plane_F / pow(vesicle->confinement_plane.z_max-backupvtx[0].z,2); |
| | | delta_energy+=vesicle->tape->plane_F / pow(vesicle->confinement_plane.z_max-vtx->z,2); |
| | | } |
| | | if(abs(-vesicle->tape->plane_d/2.0-vesicle->confinement_plane.z_min)>1e-10) { |
| | | delta_energy-=vesicle->tape->plane_F / pow(vesicle->confinement_plane.z_min-backupvtx[0].z,2); |
| | | delta_energy+=vesicle->tape->plane_F / pow(vesicle->confinement_plane.z_min-vtx->z,2); |
| | | } |
| | | } |
| | | } |
| | | |
| | | // fprintf(stderr, "DE=%f\n",delta_energy); |
| | | //MONTE CARLOOOOOOOO |
| | | // if(vtx->c!=0.0) printf("DE=%f\n",delta_energy); |
| | | if(delta_energy>=0){ |
| | | #ifdef TS_DOUBLE_DOUBLE |
| | | if(exp(-delta_energy)< drand48()) |