axmol/cocos2dx/tileMap_parallax_nodes/CCParallaxNode.h

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

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
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#ifndef __CCPARALLAX_NODE_H__
#define __CCPARALLAX_NODE_H__

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

NS_CC_BEGIN

struct _ccArray;

/**
 * @addtogroup tilemap_parallax_nodes
 * @{
 */

/** @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();
    //@deprecated: This interface will be deprecated sooner or later.
    CC_DEPRECATED_ATTRIBUTE static CCParallaxNode * node();
    static CCParallaxNode * create();
    virtual void addChild(CCNode * child, unsigned int z, const CCPoint& parallaxRatio, const 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;
};

// end of tilemap_parallax_nodes group
/// @}

NS_CC_END

#endif //__CCPARALLAX_NODE_H__