37 lines
828 B
C++
37 lines
828 B
C++
#ifndef HITTABLE_H
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#define HITTABLE_H
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#include "rayTracer.h"
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#include "aabb.h"
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class material;
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class hitRecord {
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public:
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point3 p;
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vec3 normal;
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shared_ptr<material> mat;
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double t;
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bool frontFace;
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void setFaceNormal(const ray& r, const vec3& outwardNormal) {
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/*
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* Sets the hit record normal vector.
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* NOTE: the parameter `outward_normal` is assumed to have unit length.
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*/
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frontFace = dot(r.direction(), outwardNormal) < 0;
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normal = frontFace ? outwardNormal : -outwardNormal;
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}
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};
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class hittable {
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public:
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virtual ~hittable() = default;
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virtual bool hit(const ray& r, interval rayT, hitRecord& rec) const = 0;
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virtual aabb boundingBox() const = 0;
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};
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#endif |