/*************************************************************************/
/*  step_2d_sw.h                                                         */
/*************************************************************************/
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#ifndef STEP_2D_SW_H
#define STEP_2D_SW_H

#include "space_2d_sw.h"

#include "core/templates/local_vector.h"

class Step2DSW {
	uint64_t _step;

	LocalVector<LocalVector<Body2DSW *>> body_islands;
	LocalVector<LocalVector<Constraint2DSW *>> constraint_islands;

	void _populate_island(Body2DSW *p_body, LocalVector<Body2DSW *> &p_body_island, LocalVector<Constraint2DSW *> &p_constraint_island);
	void _setup_island(LocalVector<Constraint2DSW *> &p_constraint_island, real_t p_delta);
	void _solve_island(LocalVector<Constraint2DSW *> &p_constraint_island, int p_iterations, real_t p_delta);
	void _check_suspend(const LocalVector<Body2DSW *> &p_body_island, real_t p_delta);

public:
	void step(Space2DSW *p_space, real_t p_delta, int p_iterations);
	Step2DSW();
};

#endif // STEP_2D_SW_H