-#ifndef _DIFFUSION_EFFECT_H
-#define _DIFFUSION_EFFECT_H 1
+#ifndef _MOVIT_DIFFUSION_EFFECT_H
+#define _MOVIT_DIFFUSION_EFFECT_H 1
// There are many different effects that go under the name of "diffusion",
// seemingly all of the inspired by the effect you get when you put a
};
-#endif // !defined(_DIFFUSION_EFFECT_H)
+#endif // !defined(_MOVIT_DIFFUSION_EFFECT_H)