52 |
|
: Torsion(atom1, atom2, ghostAtom, ghostAtom, tt) {} |
53 |
|
|
54 |
|
void GhostTorsion::calcForce(RealType& angle, bool doParticlePot) { |
55 |
< |
DirectionalAtom* ghostAtom = static_cast<DirectionalAtom*>(atom3_); |
55 |
> |
DirectionalAtom* ghostAtom = static_cast<DirectionalAtom*>(atoms_[2]); |
56 |
|
|
57 |
< |
Vector3d pos1 = atom1_->getPos(); |
58 |
< |
Vector3d pos2 = atom2_->getPos(); |
57 |
> |
Vector3d pos1 = atoms_[0]->getPos(); |
58 |
> |
Vector3d pos2 = atoms_[1]->getPos(); |
59 |
|
Vector3d pos3 = ghostAtom->getPos(); |
60 |
|
|
61 |
|
Vector3d r21 = pos1 - pos2; |
92 |
|
Vector3d f2 = dVdcosPhi * ( cross(r43, dcosdB) - cross(r21, dcosdA)); |
93 |
|
Vector3d f3 = dVdcosPhi * cross(dcosdB, r32); |
94 |
|
|
95 |
< |
atom1_->addFrc(f1); |
96 |
< |
atom2_->addFrc(f2 - f1); |
95 |
> |
atoms_[0]->addFrc(f1); |
96 |
> |
atoms_[1]->addFrc(f2 - f1); |
97 |
|
|
98 |
|
ghostAtom->addFrc(-f2); |
99 |
|
|
101 |
|
ghostAtom->addTrq(cross(r43, f3)); |
102 |
|
|
103 |
|
if (doParticlePot) { |
104 |
< |
atom1_->addParticlePot(potential_); |
105 |
< |
atom2_->addParticlePot(potential_); |
104 |
> |
atoms_[0]->addParticlePot(potential_); |
105 |
> |
atoms_[1]->addParticlePot(potential_); |
106 |
|
ghostAtom->addParticlePot(potential_); |
107 |
|
} |
108 |
|
|