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diff --git a/hw5/include/environmentMap.h b/hw5/include/environmentMap.h
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+/******************************************************************/
+/* This file is part of the homework assignments for CSCI-427/527 */
+/* at The College of William & Mary and authored by Pieter Peers. */
+/* No part of this file, whether altered or in original form, can */
+/* be distributed or used outside the context of CSCI-427/527     */
+/* without consent of either the College of William & Mary or     */
+/* Pieter Peers.                                                  */
+/******************************************************************/
+#ifndef _ENVIRONMENTMAP_H_
+#define _ENVIRONMENTMAP_H_
+
+#include <memory>
+#include <ostream>
+
+#include "vec3d.h"
+#include "texture_base.h"
+#include "transformation3d.h"
+
+
+class environmentMap {
+ public:
+  //////////////////
+  // Constructors //
+  //////////////////
+  environmentMap(const std::shared_ptr<const texture_base>& map, const transformation3d& transform=transformation3d());
+  environmentMap(const environmentMap& src);
+
+  ///////////////
+  // Operators //
+  ///////////////
+  environmentMap operator=(const environmentMap& src);
+  color operator()(const vec3d& direction) const;
+
+  /////////////
+  // Friends //
+  /////////////
+  friend void swap(environmentMap& a, environmentMap& b) { a._swap(b); }
+
+  friend std::ostream& operator<<(std::ostream& s, const environmentMap& em)
+  {
+    em._print(s);
+    return s;
+  }
+
+ protected:
+  ///////////////////////
+  // Protected Methods //
+  ///////////////////////
+  void _assign(const environmentMap& src);
+  void _swap(environmentMap& swp);
+  virtual void _print(std::ostream& s) const;
+
+  //////////////////
+  // Data Members //
+  //////////////////
+  transformation3d _transform;
+  std::shared_ptr<const texture_base> _map;
+};
+
+#endif /* _ENVIRONMENTMAP_H_ */