ESPResSo
Extensible Simulation Package for Research on Soft Matter Systems
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core/collision_detection/BindAtPointOfCollision.hpp
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/*
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* Copyright (C) 2011-2024 The ESPResSo project
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*
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* This file is part of ESPResSo.
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*
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* ESPResSo is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ESPResSo is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <
config/config.hpp
>
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#ifdef COLLISION_DETECTION
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#ifdef VIRTUAL_SITES_RELATIVE
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#include "
CollisionPair.hpp
"
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#include "
common.hpp
"
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#include "
Particle.hpp
"
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#include "system/System.hpp"
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#include <vector>
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namespace
CollisionDetection
{
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class
BindAtPointOfCollision
{
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public
:
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/// Distance at which particle are bound
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double
distance
;
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/// Square of distance at which particle are bound
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double
distance_sq
;
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/// bond type used between centers of colliding particles
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int
bond_centers
;
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/// bond type used between virtual sites
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int
bond_vs
;
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/**
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* @brief Barycenter of the virtual site.
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* 0=on same particle as related to,
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* 1=on collision partner,
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* 0.5=in the middle between the two particles
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*/
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double
vs_placement
;
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/// particle type for virtual sites created on collision
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int
part_type_vs
;
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BindAtPointOfCollision
(
double
distance
,
int
bond_centers
,
int
bond_vs
,
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double
vs_placement
,
int
part_type_vs
)
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:
distance
{
distance
},
distance_sq
{
distance
*
distance
},
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bond_centers
{
bond_centers
},
bond_vs
{
bond_vs
},
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vs_placement
{
vs_placement
},
part_type_vs
{
part_type_vs
} {}
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void
initialize
(
System::System
&system);
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auto
cutoff
()
const
{
return
distance
; }
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void
handle_collisions
(
System::System
&system,
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std::vector<CollisionPair> &local_collision_queue);
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bool
detect_collision
(
Particle
const
&p1,
Particle
const
&p2,
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double
const
dist_sq)
const
{
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if
(dist_sq >
distance_sq
)
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return
false
;
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return
detect_collision_common
(p1, p2,
bond_centers
);
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}
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};
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}
// namespace CollisionDetection
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#endif
// VIRTUAL_SITES_RELATIVE
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#endif
// COLLISION_DETECTION
CollisionPair.hpp
Particle.hpp
CollisionDetection::BindAtPointOfCollision
Definition
core/collision_detection/BindAtPointOfCollision.hpp:37
CollisionDetection::BindAtPointOfCollision::handle_collisions
void handle_collisions(System::System &system, std::vector< CollisionPair > &local_collision_queue)
Definition
BindAtPointOfCollision.cpp:83
CollisionDetection::BindAtPointOfCollision::part_type_vs
int part_type_vs
particle type for virtual sites created on collision
Definition
core/collision_detection/BindAtPointOfCollision.hpp:55
CollisionDetection::BindAtPointOfCollision::distance
double distance
Distance at which particle are bound.
Definition
core/collision_detection/BindAtPointOfCollision.hpp:40
CollisionDetection::BindAtPointOfCollision::cutoff
auto cutoff() const
Definition
core/collision_detection/BindAtPointOfCollision.hpp:65
CollisionDetection::BindAtPointOfCollision::bond_vs
int bond_vs
bond type used between virtual sites
Definition
core/collision_detection/BindAtPointOfCollision.hpp:46
CollisionDetection::BindAtPointOfCollision::bond_centers
int bond_centers
bond type used between centers of colliding particles
Definition
core/collision_detection/BindAtPointOfCollision.hpp:44
CollisionDetection::BindAtPointOfCollision::distance_sq
double distance_sq
Square of distance at which particle are bound.
Definition
core/collision_detection/BindAtPointOfCollision.hpp:42
CollisionDetection::BindAtPointOfCollision::vs_placement
double vs_placement
Barycenter of the virtual site.
Definition
core/collision_detection/BindAtPointOfCollision.hpp:53
CollisionDetection::BindAtPointOfCollision::initialize
void initialize(System::System &system)
Definition
BindAtPointOfCollision.cpp:53
CollisionDetection::BindAtPointOfCollision::BindAtPointOfCollision
BindAtPointOfCollision(double distance, int bond_centers, int bond_vs, double vs_placement, int part_type_vs)
Definition
core/collision_detection/BindAtPointOfCollision.hpp:57
CollisionDetection::BindAtPointOfCollision::detect_collision
bool detect_collision(Particle const &p1, Particle const &p2, double const dist_sq) const
Definition
core/collision_detection/BindAtPointOfCollision.hpp:70
System::System
Main system class.
Definition
core/system/System.hpp:77
config.hpp
This file contains the defaults for ESPResSo.
CollisionDetection
Definition
ActiveProtocol.hpp:33
CollisionDetection::detect_collision_common
auto detect_collision_common(Particle const &p1, Particle const &p2, int const bond_centers)
Definition
collision_detection/common.hpp:31
common.hpp
Common functions for dipolar and charge P3M.
Particle
Struct holding all information for one particle.
Definition
Particle.hpp:395
src
core
collision_detection
BindAtPointOfCollision.hpp
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