camera.h

/*
    Lightmetrica : A research-oriented renderer

    Copyright (c) 2014 Hisanari Otsu

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#pragma once
#ifndef LIB_LIGHTMETRICA_CAMERA_H
#define LIB_LIGHTMETRICA_CAMERA_H

#include "emitter.h"

LM_NAMESPACE_BEGIN

class Film;
struct Ray;

class Camera : public Emitter
{
public:

    LM_ASSET_INTERFACE_DEF("camera", "cameras");
    LM_ASSET_DEPENDENCIES("film");

public:

    Camera() {}
    virtual ~Camera() {}

public:

    virtual bool RayToRasterPosition(const Math::Vec3& p, const Math::Vec3& d, Math::Vec2& rasterPos) const = 0;

    virtual Film* GetFilm() const = 0;

};

LM_NAMESPACE_END

#endif // LIB_LIGHTMETRICA_CAMERA_H