16#ifndef BT_BACKWARD_EULER_OBJECTIVE_H
17#define BT_BACKWARD_EULER_OBJECTIVE_H
111 psb->
m_nodes[j].index = node_id;
117 psb->
m_faces[j].m_index = face_id;
139 for (
int i = 0; i < vec.
size(); ++i)
141 extended_vec[i] = vec[i];
143 int offset = vec.
size();
146 extended_vec[offset + i].setZero();
153 for (
int i = 0; i < residual.
size(); ++i)
155 extended_residual[i] = residual[i];
157 int offset = residual.
size();
161 extended_residual[offset + i].setZero();
185 for (
int i = 0; i <
m_lf.size(); ++i)
188 m_lf[i]->addScaledDampingForceDifferential(-
m_dt, dv, f);
191 for (; counter < f.
size(); ++counter)
193 f[counter] = rhs[counter] - f[counter];
float btScalar
The btScalar type abstracts floating point numbers, to easily switch between double and single floati...
int size() const
return the number of elements in the array
void resize(int newsize, const T &fillData=T())
The btSoftBody is an class to simulate cloth and volumetric soft bodies.
btVector3 can be used to represent 3D points and vectors.