#ifndef MOVING_SPHERE_H
#define MOVING_SPHERE_H

#include <memory>

#include "hittable.h"
#include "vec3.h"

class Moving_sphere : public Hittable {
  public:
    Moving_sphere() {}
    Moving_sphere(Point3 cen0, Point3 cen1, double t0, double t1, double r, std::shared_ptr<Material> m)
        : center0(cen0), center1(cen1), time0(t0), time1(t1), radius(r), mat_ptr(m) {}

    virtual bool hit(const Ray& r, double tmin, double tmax, hit_record& rec) const;
    virtual bool bounding_box(double t0, double t1, Aabb& output_box) const;

    Point3 center(double time) const;

  private:
    Point3 center0;
    Point3 center1;
    double time0;
    double time1;
    double radius;
    std::shared_ptr<Material> mat_ptr;
};

#endif // MOVING_SPHERE_H