India/cocos2d-x/extensions/Particle3D/PU/CCPUOnTimeObserver.h

/****************************************************************************
 Copyright (C) 2013 Henry van Merode. All rights reserved.
 Copyright (c) 2015-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
 
 http://www.cocos2d-x.org
 
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 all copies or substantial portions of the Software.
 
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#ifndef __CC_PU_PARTICLE_3D_ON_TIME_OBSERVER_H__
#define __CC_PU_PARTICLE_3D_ON_TIME_OBSERVER_H__

#include "base/CCRef.h"
#include "math/CCMath.h"
#include "extensions/Particle3D/PU/CCPUObserver.h"
#include <vector>
#include <string>

NS_CC_BEGIN

struct PUParticle3D;
class PUParticleSystem3D;
class CC_DLL PUOnTimeObserver : public PUObserver
{
public:
    // Constants
    static const float DEFAULT_THRESHOLD;
    static const bool DEFAULT_SINCE_START_SYSTEM;

    static PUOnTimeObserver* create();

    /** In case there are no particles, but the observation returns true, the event handlers must still be
        called.
    */
    virtual void preUpdateObserver(float deltaTime) override;

    /** 
    */
    virtual bool observe (PUParticle3D* particle, float timeElapsed) override;

    /** 
    */
    float getThreshold(void) const {return _threshold;};
    void setThreshold(float threshold){_threshold = threshold;};

    /** 
    */
    PUComparisionOperator getCompare() const {return _compare;};
    void setCompare(PUComparisionOperator op){_compare = op;};

    /** 
    */
    bool isSinceStartSystem(void) const {return _sinceStartSystem;};
    void setSinceStartSystem(bool sinceStartSystem){_sinceStartSystem = sinceStartSystem;};

    virtual void copyAttributesTo (PUObserver* observer) override;

CC_CONSTRUCTOR_ACCESS:
    PUOnTimeObserver(void);
    virtual ~PUOnTimeObserver(void) {};

protected:
    float _threshold;
    PUComparisionOperator _compare;
    bool _sinceStartSystem;
};

NS_CC_END

#endif