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diff --git a/src/vector3.h b/src/vector3.h
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+/*********************************************************************************************
+* 
+*	raylib.vector3
+*	
+*	Some useful functions to work with Vector3
+* 
+*	Copyright (c) 2013 Ramon Santamaria (Ray San - raysan@raysanweb.com)
+*	
+*	This software is provided "as-is", without any express or implied warranty. In no event 
+*	will the authors be held liable for any damages arising from the use of this software.
+*
+*	Permission is granted to anyone to use this software for any purpose, including commercial 
+*	applications, and to alter it and redistribute it freely, subject to the following restrictions:
+*
+*	  1. The origin of this software must not be misrepresented; you must not claim that you 
+*	  wrote the original software. If you use this software in a product, an acknowledgment 
+*	  in the product documentation would be appreciated but is not required.
+*
+*	  2. Altered source versions must be plainly marked as such, and must not be misrepresented
+*	  as being the original software.
+*
+*	  3. This notice may not be removed or altered from any source distribution.
+*
+**********************************************************************************************/
+
+#ifndef VECTOR3_H
+#define VECTOR3_H
+
+#include "raylib.h"		// Defines Vector3 structure
+
+#ifdef __cplusplus
+extern "C" {			// Prevents name mangling of functions
+#endif
+
+//------------------------------------------------------------------------------------
+// Global Variables Definition
+//------------------------------------------------------------------------------------
+// It's lonely here...
+
+//------------------------------------------------------------------------------------
+// Functions Declaration to work with Vector3
+//------------------------------------------------------------------------------------
+Vector3 VectorAdd(Vector3 v1, Vector3 v2);				// Add two vectors
+Vector3 VectorSubtract(Vector3 v1, Vector3 v2);			// Substract two vectors
+Vector3 VectorCrossProduct(Vector3 v1, Vector3 v2);		// Calculate two vectors cross product
+Vector3 VectorPerpendicular(Vector3 v);					// Calculate one vector perpendicular vector
+float VectorDotProduct(Vector3 v1, Vector3 v2);			// Calculate two vectors dot product
+float VectorLength(const Vector3 v);					// Calculate vector lenght
+void VectorScale(Vector3 *v, float scale);				// Scale provided vector
+void VectorInverse(Vector3 *v);							// Invert provided vector (direction)
+void VectorNormalize(Vector3 *v);						// Normalize provided vector
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // VECTOR3_H
+\ No newline at end of file