src/Camera.h

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#ifndef CAMERA_H
#define CAMERA_H


#include "Vec3f.h"
#include "Ray.h"


class Camera
{
public:
    Camera( Vec3f   pos,
            int     resX,
            int     resY )
        : mPos(pos),
            mResX(resX),
            mResY(resY)
    {
    }

    virtual ~Camera()
    {
    }

    virtual Ray initRay(float x, float y) = 0;

    const Vec3f & pos() const
    {
        return mPos;
    }

    int resX() const
    {
        return mResX;
    }

    int resY() const
    {
        return mResY;
    }

    virtual void setPos(Vec3f pos) = 0;

    virtual void setDir(Vec3f dir) = 0;

    virtual void setUp(Vec3f up) = 0;

    virtual const Vec3f & up() const = 0;

    virtual const Vec3f & dir() const = 0;

    virtual const float focusDistance() const = 0;

    virtual const float aperture() const = 0;

    virtual int depthSamples() const = 0;

    virtual void setDepthSamples(unsigned int) = 0;

    virtual void setFocusDistance(float f) = 0;

    virtual void setAperture(float a) = 0;

    virtual void setSlowCorrect()  = 0;

    virtual void setFastIncorrect() = 0;

protected:
    Vec3f   mPos;

    int     mResX;

    int     mResY;
};


#endif

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