India/cocos2d-x/extensions/Particle3D/PU/CCPUOnVelocityObserver.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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 of this software and associated documentation files (the "Software"), to deal
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 furnished to do so, subject to the following conditions:
 
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 
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#ifndef __CC_PU_PARTICLE_3D_ON_VELOCITY_OBSERVER_H__
#define __CC_PU_PARTICLE_3D_ON_VELOCITY_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 PUOnVelocityObserver : public PUObserver
{
public:
    // Constants
    static const float DEFAULT_VELOCITY_THRESHOLD;

    static PUOnVelocityObserver* create();

    /** 
    */
    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;};

    virtual void copyAttributesTo (PUObserver* observer) override;

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

protected:
    float _threshold;
    PUComparisionOperator _compare;

};

NS_CC_END

#endif