add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.

examples/ThirdPartyLibs/Gwen/Anim.h

@@ -0,0 +1,130 @@
+/*
+	GWEN
+	Copyright (c) 2010 Facepunch Studios
+	See license in Gwen.h
+*/
+
+#pragma once
+#ifndef GWEN_ANIM_H
+#define GWEN_ANIM_H
+#include "Gwen/Gwen.h"
+#include "Gwen/Controls/Base.h"
+#include "Gwen/Platform.h"
+
+#ifndef GWEN_NO_ANIMATION
+
+namespace Gwen 
+{
+	namespace Anim
+	{
+		class GWEN_EXPORT Animation
+		{
+			public:
+
+				typedef std::list<Animation*> ChildList;
+				typedef std::map< Gwen::Controls::Base *, ChildList > List;
+
+				virtual void Think() = 0;
+				virtual bool Finished() = 0;
+
+				virtual ~Animation() {}
+
+				Gwen::Controls::Base*	m_Control;
+		};
+
+		GWEN_EXPORT void Add( Gwen::Controls::Base* control, Animation* animation );
+		GWEN_EXPORT void Cancel( Gwen::Controls::Base* control );
+		GWEN_EXPORT void Think();
+
+		//
+		// Timed animation. Provides a useful base for animations.
+		//
+		class GWEN_EXPORT TimedAnimation : public Animation
+		{
+			public:
+
+				TimedAnimation( float fLength, float fDelay = 0.0f, float fEase = 1.0f );
+
+				virtual void Think();
+				virtual bool Finished();
+
+				//
+				// These are the magic functions you should be overriding
+				// 
+				virtual void OnStart(){}
+				virtual void Run( float /*delta*/ ){}
+				virtual void OnFinish(){}
+
+			protected:
+
+				bool	m_bStarted;
+				bool	m_bFinished;
+				float	m_fStart;
+				float	m_fEnd;
+				float	m_fEase;
+		};
+
+		namespace Size
+		{
+			class GWEN_EXPORT Height : public TimedAnimation
+			{
+				public:
+
+					Height( int iStartSize, int iEndSize, float fLength, bool bHide = false, float fDelay = 0.0f, float fEase = 1.0f ) : TimedAnimation( fLength, fDelay, fEase )
+					{
+						m_iStartSize = iStartSize;
+						m_iDelta = iEndSize - m_iStartSize;
+						m_bHide = bHide;
+					}
+
+					virtual void OnStart(){ m_Control->SetHeight( m_iStartSize ); }
+					virtual void Run( float delta ){ m_Control->SetHeight( m_iStartSize + (((float)m_iDelta) * delta) ); }
+					virtual void OnFinish(){ m_Control->SetHeight( m_iStartSize + m_iDelta ); m_Control->SetHidden( m_bHide ); }
+
+				protected:
+
+					int		m_iStartSize;
+					int		m_iDelta;
+					bool	m_bHide;
+			};
+
+			class Width : public TimedAnimation
+			{
+				public:
+
+					Width( int iStartSize, int iEndSize, float fLength, bool bHide = false, float fDelay = 0.0f, float fEase = 1.0f ) : TimedAnimation( fLength, fDelay, fEase )
+					{
+						m_iStartSize = iStartSize;
+						m_iDelta = iEndSize - m_iStartSize;
+						m_bHide = bHide;
+					}
+
+					virtual void OnStart(){ m_Control->SetWidth( m_iStartSize ); }
+					virtual void Run( float delta ){ m_Control->SetWidth( m_iStartSize + (((float)m_iDelta) * delta) ); }
+					virtual void OnFinish(){ m_Control->SetWidth( m_iStartSize + m_iDelta ); m_Control->SetHidden( m_bHide ); }
+
+				protected:
+
+					int		m_iStartSize;
+					int		m_iDelta;
+					bool	m_bHide;
+			};
+		}
+
+		namespace Tools
+		{
+			class Remove : public TimedAnimation
+			{
+				public:
+
+					Remove( float fDelay = 0.0f ) : TimedAnimation( 0.0f, fDelay ){}
+					virtual void OnFinish(){ m_Control->DelayedDelete(); }
+			};
+		}
+
+
+	}
+}
+
+#endif
+#endif