axmol/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.

 https://axmolengine.github.io/

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#ifndef __AX_PU_PARTICLE_3D_ON_TIME_OBSERVER_H__
#define __AX_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_AX_BEGIN

struct PUParticle3D;
class PUParticleSystem3D;
class AX_EX_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() const { return _threshold; };
    void setThreshold(float threshold) { _threshold = threshold; };

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

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

    virtual void copyAttributesTo(PUObserver* observer) override;

    PUOnTimeObserver();
    virtual ~PUOnTimeObserver(){};

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

NS_AX_END

#endif