axmol/cocos2dx/include/CCParallaxNode.h

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Copyright (c) 2010-2011 cocos2d-x.org
Copyright (c) 2009-2010 Ricardo Quesada
Copyright (c) 2011      Zynga Inc.

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#ifndef __CCPARALLAX_NODE_H__
#define __CCPARALLAX_NODE_H__

#include "CCNode.h"
/*#include "support/data_support/ccArray.h"*/

namespace cocos2d {
	struct _ccArray;

	/** @brief CCParallaxNode: A node that simulates a parallax scroller

	The children will be moved faster / slower than the parent according the the parallax ratio.

	*/
	class CC_DLL CCParallaxNode : public CCNode 
	{
		/** array that holds the offset / ratio of the children */
		CC_SYNTHESIZE(struct _ccArray *, m_pParallaxArray, ParallaxArray)

	public:
		/** Adds a child to the container with a z-order, a parallax ratio and a position offset
		It returns self, so you can chain several addChilds.
		@since v0.8
		*/
		CCParallaxNode();
		virtual ~CCParallaxNode();
		static CCParallaxNode * node();
		virtual void addChild(CCNode * child, unsigned int z, CCPoint parallaxRatio, CCPoint positionOffset);
		// super methods
		virtual void addChild(CCNode * child, unsigned int zOrder, int tag);
		virtual void removeChild(CCNode* child, bool cleanup);
		virtual void removeAllChildrenWithCleanup(bool cleanup);
		virtual void visit(void);
	private:
		CCPoint absolutePosition();
	protected:
		CCPoint	m_tLastPosition;
	};

} // namespace cocos2d
#endif //__CCPARALLAX_NODE_H__