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2 years ago
#ifndef RAYH
#define RAYH
#include "vec3.h"
class ray
{
public:
ray() {}
ray(const vec3& a, const vec3& b) { O = a; D = b; }
vec3 origin() const { return O; }
vec3 direction() const { return D; }
vec3 point_at_parameter(float t) const {
return vec3(D * t + O);
}
vec3 O;
vec3 D;
};
#endif