cocos2d-x节点（CCActionCamera.h)API

cocos2d-x节点（CCActionCamera.h)API

///cocos2d-x-3.0alpha0/cocos2dx/actions
//Camera 助手类，设置camera 在球面坐标系中的运动范围

#ifndef __CCCAMERA_ACTION_H__
#define __CCCAMERA_ACTION_H__

#include "CCActionInterval.h"

NS_CC_BEGIN

class Camera;

/**
* @addtogroup actions
* @{
*/

/**
@brief 有关 Camera 动作的基础类
@ingroup Actions
*/
class CC_DLL ActionCamera : public ActionInterval //<NSCopying>
{
public:
/**
* @js ctor
*/
ActionCamera()
:_centerXOrig(0)
,_centerYOrig(0)
,_centerZOrig(0)
,_eyeXOrig(0)
,_eyeYOrig(0)
,_eyeZOrig(0)
,_upXOrig(0)
,_upYOrig(0)
,_upZOrig(0)
{}

/**
* @js NA
* @lua NA
*/
virtual ~ActionCamera(){}

// Overrides
virtual void startWithTarget(Node *target) override;
virtual ActionCamera * reverse() const override;
virtual ActionCamera *clone() const override;

protected:
float _centerXOrig;
float _centerYOrig;
float _centerZOrig;

float _eyeXOrig;
float _eyeYOrig;
float _eyeZOrig;

float _upXOrig;
float _upYOrig;
float _upZOrig;
};

/**
@brief OrbitCamera（轨道摄像机） action
camera 绕在球面坐标系中心的轨道
@ingroup Actions       //圈内动作
*/
class CC_DLL OrbitCamera : public ActionCamera //<NSCopying>
{
public:
/** 使用 radius, delta-radius,  z, deltaZ, x, deltaX 创建一个OrbitCamera action */
static OrbitCamera* create(float t, float radius, float deltaRadius, float angleZ, float deltaAngleZ, float angleX, float deltaAngleX);
/**
* @js ctor
*/
OrbitCamera()
: _radius(0.0)
, _deltaRadius(0.0)
, _angleZ(0.0)
, _deltaAngleZ(0.0)
, _angleX(0.0)
, _deltaAngleX(0.0)
, _radZ(0.0)
, _radDeltaZ(0.0)
, _radX(0.0)
, _radDeltaX(0.0)
{}
/**
* @js NA
* @lua NA
*/
~OrbitCamera(){}

/** 使用 radius, delta-radius,  z, deltaZ, x, deltaX 初始化一个OrbitCamera action  */
bool initWithDuration(float t, float radius, float deltaRadius, float angleZ, float deltaAngleZ, float angleX, float deltaAngleX);
/** camera 在球面坐标系中的位置 */
void sphericalRadius(float *r, float *zenith, float *azimuth);

// Overrides
OrbitCamera *clone() const override;
virtual void startWithTarget(Node *target) override;
virtual void update(float time) override;

protected:
float _radius;
float _deltaRadius;
float _angleZ;
float _deltaAngleZ;
float _angleX;
float _deltaAngleX;

float _radZ;
float _radDeltaZ;
float _radX;
float _radDeltaX;
};

// end of actions group
/// @}

NS_CC_END

#endif //__CCCAMERA_ACTION_H__