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#ifndef __PATHTRACER_CAMERA__HPP__
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#define __PATHTRACER_CAMERA__HPP__
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#pragma once
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#include <CGLA/Vec2f.h>
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#include "core.hpp"
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class camera
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{
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public:
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    camera(const CGLA::Vec3f& eye, const CGLA::Vec3f& center,
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           const CGLA::Vec3f& up, float focal);
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    ray generate(const CGLA::Vec2f&) const;
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private:
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    CGLA::Vec3f eye_;
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    CGLA::Vec3f x_, y_, z_;
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    float focal_;
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};
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#endif
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//02566 framework, Anders Wang Kristensen, awk@imm.dtu.dk, 2007