#ifndef BLOBS_WORLD_SIMULATION_HPP_
#define BLOBS_WORLD_SIMULATION_HPP_
+#include <vector>
+
namespace blobs {
namespace world {
public:
void Tick();
+ void AddBody(Body &);
+
Body &Root() { return root; }
const Body &Root() const { return root; }
private:
Body &root;
+ std::vector<Body *> all_bodies;
double time;
};