25 lines
629 B
C++
25 lines
629 B
C++
#ifndef HITTABLE_H
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#define HITTABLE_H
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#include "ray.hpp"
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/* Representation of a hitpoint of a ray against a hittable object */
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struct hit_record {
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point3 p;
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vec3 normal;
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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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{
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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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/* Virtual class that represents objects who could collide against a ray */
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struct hittable {
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virtual bool hit(const ray& r, double t_min, double t_max, hit_record& rec) const = 0;
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};
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#endif
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