axmol/extensions/cocostudio/TransformHelp.h

/****************************************************************************
Copyright (c) 2013-2017 Chukong Technologies Inc.

https://axmolengine.github.io/

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#ifndef __CCTRANSFORMHELP_H__
#define __CCTRANSFORMHELP_H__

#include "ArmatureDefine.h"
#include "Datas.h"
#include "CocosStudioExport.h"

namespace cocostudio
{

/*
 * use to calculate the matrix of node from parent node
 * @js NA
 * @lua NA
 */
class CCS_DLL TransformHelp
{
public:
    TransformHelp();

    static void transformFromParent(BaseData& node, const BaseData& parentNode);
    static void transformToParent(BaseData& node, const BaseData& parentNode);

    static void transformFromParentWithoutScale(BaseData& node, const BaseData& parentNode);
    static void transformToParentWithoutScale(BaseData& node, const BaseData& parentNode);

    static void nodeToMatrix(const BaseData& _node, ax::AffineTransform& _matrix);
    static void nodeToMatrix(const BaseData& node, ax::Mat4& matrix);
    static void matrixToNode(const ax::AffineTransform& _matrix, BaseData& _node);
    static void matrixToNode(const ax::Mat4& _matrix, BaseData& _node);

    static void nodeConcat(BaseData& target, BaseData& source);
    static void nodeSub(BaseData& target, BaseData& source);

public:
    static ax::AffineTransform helpMatrix1;
    static ax::AffineTransform helpMatrix2;

    static ax::Vec2 helpPoint1;
    static ax::Vec2 helpPoint2;
};

}  // namespace cocostudio

#endif /*__CCTRANSFORMHELP_H__*/