/****************************************************************************
 Copyright (c) 2014 Chukong Technologies Inc.
 
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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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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 ****************************************************************************/


#ifndef __CC_PU_PARTICLE_3D_ALIGN_AFFECTOR_H__
#define __CC_PU_PARTICLE_3D_ALIGN_AFFECTOR_H__

#include "3dparticle/ParticleUniverse/ParticleAffectors/CCPUParticle3DAffector.h"

NS_CC_BEGIN

class  CC_DLL PUParticle3DAlignAffector : public PUParticle3DAffector
{
public:
    // Constants
    static const bool DEFAULT_RESIZE;

    static PUParticle3DAlignAffector* create();

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

    /** See setResize().
    */
    bool isResize() const;

    /** Set resize. This attribute determines whether the size of the particle must be changed
        according to its alignment with the previous particle.
    */
    void setResize(bool resize);

CC_CONSTRUCTOR_ACCESS:
    PUParticle3DAlignAffector();
    virtual ~PUParticle3DAlignAffector();

protected:

    bool _resize;
    PUParticle3D* _previousParticle;
};
NS_CC_END

#endif