cdff5d73 ^
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
#ifndef RAY_H #define RAY_H #include "vec3.h" class ray { public: ray() {} ray(const point3& origin, const vec3& direction) : orig(origin), dir(direction) {} point3 origin() const { return orig; } vec3 direction() const { return dir; } point3 at(float t) const { return orig + t*dir; } public: point3 orig; vec3 dir; }; #endif