Glenn Maynard
61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
/* ITween - Interface for simple interpolation. */
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#ifndef TWEEN_H
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#define TWEEN_H
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#include "EnumHelper.h"
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struct lua_State;
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typedef lua_State Lua;
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enum TweenType
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{
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TWEEN_LINEAR,
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TWEEN_ACCELERATE,
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TWEEN_DECELERATE,
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TWEEN_SPRING,
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TWEEN_BEZIER,
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NUM_TweenType,
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TweenType_Invalid
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};
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#define FOREACH_TweenType( tt ) FOREACH_ENUM2( TweenType, tt )
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LuaDeclareType( TweenType );
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class ITween
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{
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public:
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virtual ~ITween() { }
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virtual float Tween( float f ) const = 0;
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virtual ITween *Copy() const = 0;
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static ITween *CreateFromType( TweenType iType );
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static ITween *CreateFromStack( Lua *L, int iStackPos );
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};
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#endif
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/*
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* (c) 2006 Glenn Maynard
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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