32 lines
664 B
C++
32 lines
664 B
C++
#ifndef HITTABLE_H
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#define HITTABLE_H
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#include <memory>
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#include "ray.h"
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#include "material.h"
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#include "aabb.h"
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class Material;
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struct hit_record {
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Point3 p;
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Vec3 normal;
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std::shared_ptr<Material> mat_ptr;
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double t;
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bool front_face;
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inline void set_face_normal(const Ray& r, const Vec3& outward_normal) {
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front_face = dot(r.direction(), outward_normal) < 0;
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normal = front_face ? outward_normal : -outward_normal;
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}
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};
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class Hittable {
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public:
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virtual bool hit(const Ray &r, double tmin, double tmax, hit_record &rec) const = 0;
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virtual bool bounding_box(double t0, double t1, Aabb& output_box) const = 0;
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};
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#endif // HITTABLE_H
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