30 lines
548 B
C++
30 lines
548 B
C++
#pragma once
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#include "math.h"
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#include "vec3.h"
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#include "ray.h"
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#include "image.h"
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class camera
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{
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public:
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camera(
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point3 lookfrom,
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point3 lookat,
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vec3 vup,
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double vfov, // vertical field of view in degrees
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double aspect_ratio,
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double aperture,
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double focus_dist);
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ray get_ray(double s, double t) const;
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private:
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point3 origin_;
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point3 lower_left_corner_;
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vec3 horizontal_;
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vec3 vertical_;
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vec3 u_, v_, w_;
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double lens_radius_;
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};
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