| | |
| | | #include "energy.h" |
| | | #include "timestep.h" |
| | | #include "cell.h" |
| | | //#include "io.h" |
| | | #include "io.h" |
| | | #include<stdio.h> |
| | | #include "vertexmove.h" |
| | | #include <string.h> |
| | | #include "constvol.h" |
| | | #include "plugins.h" |
| | | |
| | | ts_bool single_verticle_timestep(ts_vesicle *vesicle,ts_vertex *vtx,ts_double *rn){ |
| | | ts_uint i; |
| | | ts_double dist; |
| | | ts_bool retval; |
| | | ts_uint cellidx; |
| | | ts_double delta_energy, delta_energy_cv,oenergy,dvol=0.0, darea=0.0, dstretchenergy=0.0; |
| | | ts_double costheta,sintheta,phi,r; |
| | | //This will hold all the information of vtx and its neighbours |
| | | ts_vertex backupvtx[20], *constvol_vtx_moved=NULL, *constvol_vtx_backup=NULL; |
| | | memcpy((void *)&backupvtx[0],(void *)vtx,sizeof(ts_vertex)); |
| | | ts_vertex backupvtx[20], *constvol_vtx_moved=NULL, *constvol_vtx_backup=NULL; |
| | | memcpy((void *)&backupvtx[0],(void *)vtx,sizeof(ts_vertex)); |
| | | |
| | | //Some stupid tests for debugging cell occupation! |
| | | /* cellidx=vertex_self_avoidance(vesicle, vtx); |
| | | if(vesicle->clist->cell[cellidx]==vtx->cell){ |
| | | fprintf(stderr,"Idx match!\n"); |
| | | } else { |
| | | fprintf(stderr,"***** Idx don't match!\n"); |
| | | fatal("ENding.",1); |
| | | } |
| | | */ |
| | | //random move in a sphere with radius stepsize: |
| | | r=vesicle->stepsize*rn[0]; |
| | | phi=rn[1]*2*M_PI; |
| | | costheta=2*rn[2]-1; |
| | | sintheta=sqrt(1-pow(costheta,2)); |
| | | vtx->x=vtx->x+r*sintheta*cos(phi); |
| | | vtx->y=vtx->y+r*sintheta*sin(phi); |
| | | vtx->z=vtx->z+r*costheta; |
| | | |
| | | //temporarly moving the vertex |
| | | // vtx->x=vtx->x+vesicle->stepsize*(2.0*rn[0]-1.0); |
| | | // vtx->y=vtx->y+vesicle->stepsize*(2.0*rn[1]-1.0); |
| | | // vtx->z=vtx->z+vesicle->stepsize*(2.0*rn[2]-1.0); |
| | | |
| | | //random move in a sphere with radius stepsize: |
| | | r=vesicle->stepsize*rn[0]; |
| | | phi=rn[1]*2*M_PI; |
| | | costheta=2*rn[2]-1; |
| | | sintheta=sqrt(1-pow(costheta,2)); |
| | | vtx->x=vtx->x+r*sintheta*cos(phi); |
| | | vtx->y=vtx->y+r*sintheta*sin(phi); |
| | | vtx->z=vtx->z+r*costheta; |
| | | |
| | | |
| | | //distance with neighbours check |
| | | for(i=0;i<vtx->neigh_no;i++){ |
| | | dist=vtx_distance_sq(vtx,vtx->neigh[i]); |
| | | if(dist<1.0 || dist>vesicle->dmax) { |
| | | vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex)); |
| | | return TS_FAIL; |
| | | } |
| | | } |
| | | |
| | | // Distance with grafted poly-vertex check: |
| | | if(vtx->grafted_poly!=NULL){ |
| | | dist=vtx_distance_sq(vtx,vtx->grafted_poly->vlist->vtx[0]); |
| | | if(dist<1.0 || dist>vesicle->dmax) { |
| | | // 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; |
| | | } |
| | | } |
| | | |
| | | // 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-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 ((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; |
| | | /* Entry point for plugin vm_hard_constraint() function */ |
| | | ts_plugin_chain *ptr=vesicle->plist->chain->vm_hard_constraint; |
| | | while(ptr!=NULL){ |
| | | retval = ptr->plugin->function->vm_hard_constraint(vesicle,vtx, &backupvtx[0]); |
| | | if(retval==TS_FAIL){ |
| | | vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex)); |
| | | return TS_FAIL; |
| | | } |
| | | ptr=ptr->next; |
| | | } |
| | | |
| | | } |
| | | //#undef SQ |
| | | //self avoidance check with distant vertices |
| | | cellidx=vertex_self_avoidance(vesicle, vtx); |
| | | //check occupation number |
| | | retval=cell_occupation_number_and_internal_proximity(vesicle->clist,cellidx,vtx); |
| | | |
| | | if(retval==TS_FAIL){ |
| | | vtx=memcpy((void *)vtx,(void *)&backupvtx[0],sizeof(ts_vertex)); |
| | | return TS_FAIL; |
| | | } |
| | | |
| | | |
| | | //if all the tests are successful, then energy for vtx and neighbours is calculated |
| | | for(i=0;i<vtx->neigh_no;i++){ |
| | |
| | | } |
| | | //stretching energy 1 of 3 |
| | | if(vesicle->tape->stretchswitch==1){ |
| | | for(i=0;i<vtx->tristar_no;i++) dstretchenergy-=vtx->tristar[i]->energy/3.0; |
| | | for(i=0;i<vtx->tristar_no;i++) dstretchenergy-=vtx->tristar[i]->energy; |
| | | } |
| | | delta_energy=0; |
| | | |
| | | |
| | | |
| | | // vesicle_volume(vesicle); |
| | | // fprintf(stderr,"Volume in the beginning=%1.16e\n", vesicle->volume); |
| | | |
| | |
| | | if(vesicle->tape->stretchswitch==1){ |
| | | for(i=0;i<vtx->tristar_no;i++){ |
| | | stretchenergy(vesicle, vtx->tristar[i]); |
| | | dstretchenergy+=vtx->tristar[i]->energy/3.0; |
| | | dstretchenergy+=vtx->tristar[i]->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); |
| | |
| | | //accepted |
| | | // fprintf(stderr,"MC accepted\n"); |
| | | // oldcellidx=vertex_self_avoidance(vesicle, &backupvtx[0]); |
| | | cellidx=vertex_self_avoidance(vesicle, vtx); |
| | | if(vtx->cell!=vesicle->clist->cell[cellidx]){ |
| | | retval=cell_add_vertex(vesicle->clist->cell[cellidx],vtx); |
| | | // if(retval==TS_SUCCESS) cell_remove_vertex(vesicle->clist->cell[oldcellidx],vtx); |