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#include "animation.hpp"
int main(int argc, char* argv[]) {
unsigned N = 1200;
double R = 0.021;
double ε = 0.01;
unsigned steps = 1e6;
initializeAnimation(argc, argv);
Rng r;
Model<2, HardSphere<2>> m(N, 2 * R);
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(HardSphere<2>(x, rad));
}
for (unsigned i = 0; i < steps * N; i++) {
HardSphere<2>& s = r.pick(m.particles);
Vector<2> Δx;
for (double& Δxi : Δx) {
Δxi = r.variate<double, std::normal_distribution>(0, ε);
}
m.metropolis(1, s, Δx, r);
HardSphere<2>& s1 = r.pick(m.particles);
HardSphere<2>& s2 = r.pick(m.particles);
m.swap(1, s1, s2, r);
if (i % (N * 3) == 0) {
draw(m);
}
}
return 0;
}
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