SDK: Add LifetimeComponent and LifetimeSystem

SDK/include/NDK/Components/LifetimeComponent.inl

@@ -0,0 +1,24 @@
+// Copyright (C) 2017 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequisites.hpp
+
+#include <NDK/Components/LifetimeComponent.hpp>
+
+namespace Ndk
+{
+	inline LifetimeComponent::LifetimeComponent(float lifetime) :
+	m_lifetime(lifetime)
+	{
+	}
+
+	inline float Ndk::LifetimeComponent::GetRemainingTime() const
+	{
+		return m_lifetime;
+	}
+
+	inline bool LifetimeComponent::UpdateLifetime(float elapsedTime)
+	{
+		m_lifetime -= elapsedTime;
+		return m_lifetime < 0.f;
+	}
+}