| | |
| | | *rn){ |
| | | ts_uint i; |
| | | ts_double dist; |
| | | ts_vertex *tvtx=(ts_vertex *)malloc(sizeof(ts_vertex)); |
| | | tvtx->data=init_vertex_data(); |
| | | ts_bool retval; |
| | | ts_uint cellidx; |
| | | ts_double xold,yold,zold; |
| | | ts_double delta_energy,oenergy; |
| | | ts_vertex *ovtx; |
| | | ts_vertex *tvtx=(ts_vertex *)calloc(1,sizeof(ts_vertex)); |
| | | |
| | | //randomly we move the temporary vertex |
| | | tvtx->data->x=vtx->data->x+vesicle->stepsize*(2.0*rn[0]-1.0); |
| | | tvtx->data->y=vtx->data->y+vesicle->stepsize*(2.0*rn[1]-1.0); |
| | | tvtx->data->z=vtx->data->z+vesicle->stepsize*(2.0*rn[2]-1.0); |
| | | tvtx->x=vtx->x+vesicle->stepsize*(2.0*rn[0]-1.0); |
| | | tvtx->y=vtx->y+vesicle->stepsize*(2.0*rn[1]-1.0); |
| | | tvtx->z=vtx->z+vesicle->stepsize*(2.0*rn[2]-1.0); |
| | | //check we if some length to neighbours are too much |
| | | for(i=0;i<vtx->data->neigh_no;i++){ |
| | | dist=vtx_distance_sq(tvtx,vtx->data->neigh[i]); |
| | | if(dist<1.0 || dist>vesicle->dmax) return TS_FAIL; |
| | | for(i=0;i<vtx->neigh_no;i++){ |
| | | dist=vtx_distance_sq(tvtx,vtx->neigh[i]); |
| | | if(dist<1.0 || dist>vesicle->dmax) { |
| | | vtx_free(tvtx); |
| | | // fprintf(stderr,"Fail 1, dist=%f, vesicle->dmax=%f\n", dist, vesicle->dmax); |
| | | return TS_FAIL; |
| | | } |
| | | } |
| | | fprintf(stderr,"Was here!\n"); |
| | | //self avoidance check with distant vertices |
| | | cellidx=vertex_self_avoidance(vesicle, tvtx); |
| | | //check occupation number |
| | | retval=cell_occupation_number_and_internal_proximity(vesicle->clist,cellidx,vtx,tvtx); |
| | | if(retval==TS_FAIL){ |
| | | vtx_free(tvtx); |
| | | // fprintf(stderr,"Fail 2\n"); |
| | | return TS_FAIL; |
| | | } |
| | | |
| | | //if all the tests are successful, then we update the vertex position |
| | | xold=vtx->data->x; |
| | | yold=vtx->data->y; |
| | | zold=vtx->data->z; |
| | | xold=vtx->x; |
| | | yold=vtx->y; |
| | | zold=vtx->z; |
| | | ovtx=malloc(sizeof(ts_vertex)); |
| | | vtx_copy(ovtx,vtx); |
| | | vtx->data->x=tvtx->data->x; |
| | | vtx->data->y=tvtx->data->y; |
| | | vtx->data->z=tvtx->data->z; |
| | | vtx->x=tvtx->x; |
| | | vtx->y=tvtx->y; |
| | | vtx->z=tvtx->z; |
| | | |
| | | delta_energy=0; |
| | | //update the normals of triangles that share bead i. |
| | | for(i=0;i<vtx->data->tristar_no;i++) triangle_normal_vector(vtx->data->tristar[i]); |
| | | for(i=0;i<vtx->tristar_no;i++) triangle_normal_vector(vtx->tristar[i]); |
| | | //energy and curvature |
| | | energy_vertex(vtx); |
| | | delta_energy=vtx->data->xk*(vtx->data->energy - ovtx->data->energy); |
| | | delta_energy=vtx->xk*(vtx->energy - ovtx->energy); |
| | | //the same is done for neighbouring vertices |
| | | for(i=0;i<vtx->data->neigh_no;i++){ |
| | | oenergy=vtx->data->neigh[i]->data->energy; |
| | | energy_vertex(vtx->data->neigh[i]); |
| | | delta_energy+=vtx->data->neigh[i]->data->xk*(vtx->data->neigh[i]->data->energy-oenergy); |
| | | for(i=0;i<vtx->neigh_no;i++){ |
| | | oenergy=vtx->neigh[i]->energy; |
| | | energy_vertex(vtx->neigh[i]); |
| | | delta_energy+=vtx->neigh[i]->xk*(vtx->neigh[i]->energy-oenergy); |
| | | } |
| | | fprintf(stderr, "DE=%f\n",delta_energy); |
| | | // fprintf(stderr, "DE=%f\n",delta_energy); |
| | | //MONTE CARLOOOOOOOO |
| | | if(delta_energy>=0){ |
| | | #ifdef TS_DOUBLE_DOUBLE |
| | |
| | | #endif |
| | | { |
| | | //not accepted, reverting changes |
| | | vtx->data->x=xold; |
| | | vtx->data->y=yold; |
| | | vtx->data->z=zold; |
| | | vtx->x=xold; |
| | | vtx->y=yold; |
| | | vtx->z=zold; |
| | | //update the normals of triangles that share bead i. |
| | | for(i=0;i<vtx->data->tristar_no;i++) triangle_normal_vector(vtx->data->tristar[i]); |
| | | for(i=0;i<vtx->tristar_no;i++) triangle_normal_vector(vtx->tristar[i]); |
| | | //energy and curvature |
| | | energy_vertex(vtx); |
| | | //the same is done for neighbouring vertices |
| | | for(i=0;i<vtx->data->neigh_no;i++) energy_vertex(vtx->data->neigh[i]); |
| | | free(ovtx->data->bond_length); |
| | | free(ovtx->data->bond_length_dual); |
| | | for(i=0;i<vtx->neigh_no;i++) energy_vertex(vtx->neigh[i]); |
| | | free(ovtx->bond_length); |
| | | free(ovtx->bond_length_dual); |
| | | free(ovtx); |
| | | vtx_free(tvtx); |
| | | return TS_FAIL; |
| | | } |
| | | } |
| | | //END MONTE CARLOOOOOOO |
| | | |
| | | //TODO: change cell occupation if necessary! |
| | | |
| | | free(ovtx->data->bond_length); |
| | | free(ovtx->data->bond_length_dual); |
| | | // fprintf(stderr,"Success!!\n"); |
| | | free(ovtx->bond_length); |
| | | free(ovtx->bond_length_dual); |
| | | free(ovtx); |
| | | vtx_free(tvtx); |
| | | return TS_SUCCESS; |
| | | } |
| | | |