axmol/extensions/Particle3D/PU/CCPUGravityAffector.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.
 
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 of this software and associated documentation files (the "Software"), to deal
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 all copies or substantial portions of the Software.
 
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#ifndef __CC_PU_PARTICLE_3D_GRAVITY_AFFECTOR_H__
#define __CC_PU_PARTICLE_3D_GRAVITY_AFFECTOR_H__

#include "extensions/Particle3D/PU/CCPUAffector.h"
#include "base/ccTypes.h"

NS_CC_BEGIN

class  CC_DLL PUGravityAffector : public PUAffector
{
public:
    // Constants
    static const float DEFAULT_GRAVITY;
     
    static PUGravityAffector* create();

    virtual void preUpdateAffector(float deltaTime) override;
    virtual void updatePUAffector(PUParticle3D *particle, float deltaTime) override;

    /** 
    */
    float getGravity() const;
    void setGravity(float gravity);

    virtual void copyAttributesTo (PUAffector* affector) override;

CC_CONSTRUCTOR_ACCESS:
    PUGravityAffector();
    virtual ~PUGravityAffector();

protected:

    float _gravity;
};
NS_CC_END

#endif