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#include "animation.hpp"
int main(int argc, char* argv[]) {
const unsigned n = 12;
unsigned N = 1200;
double R = 0.023;
double ε = 0.01;
unsigned steps = 1e6;
double β = 1;
initializeAnimation(argc, argv);
Rng r;
Model<2, SoftSphere<2, n>> m(N, 2 * R * 1.25);
for (unsigned i = 0; i < N; i++) {
Position<2> x = {r.uniform(0.0, 1.0), r.uniform(0.0, 1.0)};
double rad = pow(r.uniform(pow(2.219, -2), 1.0), -0.5) * R / 2.219;
m.insert(SoftSphere<2, n>(x, rad));
}
for (unsigned i = 0; i < steps * N; i++) {
SoftSphere<2, n>& s = r.pick(m.particles);
Vector<2> Δx;
for (double& Δxi : Δx) {
Δxi = r.variate<double, std::normal_distribution>(0, ε);
}
for (unsigned j = 0; j < N; j++)
m.metropolis(β, s, Δx, r);
SoftSphere<2, n>& s1 = r.pick(m.particles);
SoftSphere<2, n>& s2 = r.pick(m.particles);
Vector<2> t1 = s1.x;
Vector<2> t2 = s2.x;
Vector<2> t = (t1 + t2) / 2;
Matrix<2> mat;
mat(0, 0) = -1;
mat(1, 1) = -1;
mat(0, 1) = 0;
mat(1, 0) = 0;
Euclidean<2> g(t - mat * t, mat);
std::cout << m.clusterFlip(1, g, s1, r) << std::endl;
draw(m);
}
return 0;
}
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