added BlinnPhong.h

inc/hgl/graph/mtl/BlinnPhong.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include<hgl/graph/mtl/StdMaterial.h>
+#include<hgl/math/Vector.h>
+
+namespace hgl
+{
+    namespace graph
+    {
+        namespace mtl
+        {
+            namespace blinnphong
+            {
+                struct SunLight
+                {
+                    Vector3f direction;
+                    Vector3f color;
+                };//struct SunLight
+            }//namespace blinnphong
+        }//namespace mtl
+    }//namespace graph
+}//namespace hgl