include/core_api/ray.h

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#ifndef Y_RAY_H
#define Y_RAY_H

#include <yafray_config.h>

#include "vector3d.h"

__BEGIN_YAFRAY

class ray_t
{
public:
        ray_t(): tmin(0), tmax(-1.0), time(0.0) {}
        ray_t(const point3d_t &f, const vector3d_t &d, PFLOAT start=0.0, PFLOAT end=-1.0, PFLOAT ftime=0.0):
                from(f), dir(d), tmin(start), tmax(end), time(ftime) { }

        point3d_t from;
        vector3d_t dir;
        mutable PFLOAT tmin, tmax;
        PFLOAT time; 
};

class diffRay_t: public ray_t
{
        public:
                diffRay_t(): ray_t(), hasDifferentials(false) {}
                diffRay_t(const ray_t &r): ray_t(r), hasDifferentials(false) {}
                diffRay_t(const point3d_t &f, const vector3d_t &d, PFLOAT start=0.0, PFLOAT end=-1.0, PFLOAT ftime=0.0):
                        ray_t(f, d, start, end, ftime), hasDifferentials(false) {}
                bool hasDifferentials;
                point3d_t xfrom, yfrom;
                vector3d_t xdir, ydir;
};

__END_YAFRAY

#endif //Y_RAY_H

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