static void idle_func ( void )
{
if ( dsim ) simulation_step( pVector, dt );
else {get_from_UI();remap_GUI();}
glutSetWindow ( win_id );
glutPostRedisplay ();
}
static void idle_func ( void )
{
if ( dsim ){
integrator->integrate( *sys, dt );
get_from_UI();
}
else {remap_GUI();}
glutSetWindow ( win_id );
glutPostRedisplay ();
}
static void init_system(void) {
const double dist = 0.2;
const Vec2f center(0.0, 0.0);
const Vec2f offset(dist, 0.0);
const Vec2f offset1(0.0, dist);
// Create three particles, attach them to each other, then add a
// circular wire constraint to the first.
pVector.push_back(new Particle(center - offset, 1));
pVector.push_back(new Particle(center - 2 * offset, 1));
pVector.push_back(new Particle(center - 3 * offset, 1));
// pVector.push_back(new Particle(center + offset + offset, 1));
// pVector.push_back(new Particle(center + offset + offset + offset, 2));
// pVector.push_back(new Particle(center + offset + offset1, 2));
// fVector.push_back(new SpringForce(pVector[0], pVector[1], 2*dist, 0.5, 0.1));
// fVector.push_back(new SpringForce(pVector[3], pVector[0], dist, 0.5, 0.1));
// fVector.push_back(new AngularForce(pVector[3], pVector[0], pVector[1], 0.2*3.14159265, 0.5, 1.0));
/*
char choice;
std::cout << "Hair or cloth? h/c" << std::endl;
std::cin >> choice;
if (choice == 'c') {
std::cout << "Diagonal springs? [y]/n" << std::endl;
std::cin >> choice;
bool diagonals = !(choice == 'n');
create_grid(7, diagonals);
} else {
Vec2f offset2(0.02, dist);
Vec2f offX = offset * -2;
pVector.push_back(new Particle(center - offX - offset1, 2));
pVector.back()->m_Fixed = true;
pVector.push_back(new Particle(center - offX, 2));
pVector.back()->m_Fixed = true;
for (int i = 1; i <= 3; i++) {
pVector.push_back(new Particle(center - offX + i * offset2, 2));
fVector.push_back(new AngularForce(pVector[pVector.size() - 1], pVector[pVector.size() - 2],
pVector[pVector.size() - 3], 3.14159265, 0.025, 3));
fVector.push_back(new SpringForce(pVector[pVector.size() - 2], pVector[pVector.size() - 1], 0.2,
8.0, 9.0));
}
offset2 = Vec2f(dist,0.02);
offX = offset * 4;
pVector.push_back(new Particle(center - offX - offset1, 2));
pVector.back()->m_Fixed = true;
pVector.push_back(new Particle(center - offX, 2));
pVector.back()->m_Fixed = true;
for (int i = 1; i <= 3; i++) {
pVector.push_back(new Particle(center - offX + i * offset2, 2));
fVector.push_back(new AngularForce(pVector[pVector.size() - 1], pVector[pVector.size() - 2],
pVector[pVector.size() - 3], 3.14159265, 0.02, 5));
fVector.push_back(new SpringForce(pVector[pVector.size() - 2], pVector[pVector.size() - 1], 0.2,
8.0, 9.0));
}
}*/
std::vector< int > ids;
ids.push_back(0);
fConstraint.push_back(new CircularWireConstraint(pVector[0], center, dist, ids));
ids.push_back(1);
fConstraint.push_back(new RodConstraint(pVector[0], pVector[1], dist, ids));
ids.push_back(2);
ids.erase (ids.begin());
fConstraint.push_back(new RodConstraint(pVector[1], pVector[2], dist, ids));
ids.erase (ids.begin());
fConstraint.push_back(new CircularWireConstraint(pVector[2], (center-3*offset)+offset1, dist, ids));
for (int i = 0; i < pVector.size(); i++) {
// fVector.push_back(new Gravity(pVector[i], Vec2f(0,-0.01)));
fVector.push_back(new Drag(pVector[i], 0.10));
fVector.push_back(new Gravity(pVector[i], Vec2f(0, -0.01)));
// fVector.push_back(new Drag(pVector[i], 0.10));
}
mouse_force = new MouseForce(pVector, 0.1, 1.0, 1.0, 0.6);
fVector.push_back(mouse_force);
// delete_this_dummy_rod = new RodConstraint(pVector[1], pVector[2], dist);
// delete_this_dummy_wire = new CircularWireConstraint(pVector[0], center, dist);
//
remap_GUI();
}
