(NDK) Added Velocity component/system

Former-commit-id: 427b7175fbf9723fcd1d54fc279b8b70167745d4

SDK/include/NDK/Systems/VelocitySystem.hpp

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+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
+
+#pragma once
+
+#ifndef NDK_SYSTEMS_VELOCITYSYSTEM_HPP
+#define NDK_SYSTEMS_VELOCITYSYSTEM_HPP
+
+#include <NDK/System.hpp>
+
+namespace Ndk
+{
+	class NDK_API VelocitySystem : public System<VelocitySystem>
+	{
+		public:
+			VelocitySystem();
+			~VelocitySystem() = default;
+
+			void Update(float elapsedTime);
+
+			static SystemIndex systemIndex;
+	};
+}
+
+#include <NDK/Systems/VelocitySystem.inl>
+
+#endif // NDK_SYSTEMS_VELOCITYSYSTEM_HPP

SDK/include/NDK/Systems/VelocitySystem.inl

@@ -0,0 +1,3 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequesites.hpp