diff --git a/src/Ray.h b/src/Ray.h
new file mode 100644
index 0000000..9fe5b37
--- /dev/null
+++ b/src/Ray.h
@@ -0,0 +1,21 @@
+#ifndef RAY_H_
+#define RAY_H_
+
+#include <Eigen/Core>
+
+using Eigen::Vector3f;
+
+class Ray {
+public:
+  Ray(const Vector3f &o, const Vector3f &d) : origin(o), direction(d) {}
+
+private:
+  Vector3f origin;
+  Vector3f direction;
+
+public:
+  Vector3f getOrigin() const;
+  Vector3f getDirection() const;
+};
+
+#endif // !RAY_H_