Initial commit

ray.h

@@ -0,0 +1,29 @@
+#ifndef RAY_H
+#define RAY_H
+
+#include "vec3.h"
+
+class ray {
+    private: 
+        point3 orig;
+        vec3 dir;
+
+    public: 
+        ray() {}
+
+        ray(const point3& origin, const vec3& direction) : orig(origin), dir(direction) {}
+        
+        const point3& origin() const {
+            return orig;
+        }
+
+        const vec3& direction() const {
+            return dir;
+        }
+
+        point3 at(double t) const {
+            return orig + t * dir;
+        }
+};
+
+#endif