(NDK) Added Velocity component/system

Former-commit-id: 427b7175fbf9723fcd1d54fc279b8b70167745d4

SDK/include/NDK/Components/VelocityComponent.hpp

@@ -0,0 +1,33 @@
+// 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_COMPONENTS_VELOCITYCOMPONENT_HPP
+#define NDK_COMPONENTS_VELOCITYCOMPONENT_HPP
+
+#include <Nazara/Math/Vector3.hpp>
+#include <NDK/Component.hpp>
+
+namespace Ndk
+{
+	class Entity;
+
+	class NDK_API VelocityComponent : public Component<VelocityComponent>
+	{
+		public:
+			VelocityComponent(const NzVector3f& velocity = NzVector3f::Zero());
+			~VelocityComponent() = default;
+
+			NzVector3f linearVelocity;
+
+			VelocityComponent& operator=(const NzVector3f& vel);
+
+			static ComponentIndex componentIndex;
+	};
+}
+
+#include <NDK/Components/VelocityComponent.inl>
+
+#endif // NDK_COMPONENTS_VELOCITYCOMPONENT_HPP