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diff --git a/image/icon/freepik/049-office building.png b/image/icon/freepik/049-office building.png
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diff --git a/image/icon/freepik/author.txt b/image/icon/freepik/author.txt
new file mode 100644
index 0000000..4c0b8d9
--- /dev/null
+++ b/image/icon/freepik/author.txt
@@ -0,0 +1 @@
+https://www.freepik.com/home
\ No newline at end of file
diff --git a/shader/LightPosition3D.vert b/shader/LightPosition3D.vert
index bbd3e80..da5f9ed 100644
--- a/shader/LightPosition3D.vert
+++ b/shader/LightPosition3D.vert
@@ -29,7 +29,7 @@ layout(location=0) out vec3 FragmentNormal;
 
 void main()
 {
-    FragmentNormal=Normal;
+    FragmentNormal=normalize(Normal*mat3(pc.local_to_world));
 
     gl_Position=vec4(Vertex,1.0)*(pc.local_to_world*world.mvp);
 }