axmol/extensions/Particle3D/PU/PUPathFollower.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_PATH_FOLLOWER_H__
#define __AX_PU_PARTICLE_3D_PATH_FOLLOWER_H__

#include "extensions/Particle3D/PU/PUAffector.h"
#include "extensions/Particle3D/PU/PUSimpleSpline.h"
#include "base/Types.h"

NS_AX_BEGIN

class AX_EX_DLL PUPathFollower : public PUAffector
{
public:
    static PUPathFollower* create();

    virtual void updatePUAffector(PUParticle3D* particle, float deltaTime) override;
    /**
     */
    void addPoint(const Vec3& point);

    /** Clear all points
     */
    void clearPoints();

    /**
     */
    unsigned short getNumPoints() const { return _spline.getNumPoints(); };

    /**
     */
    const Vec3& getPoint(unsigned short index) const { return _spline.getPoint(index); };

    virtual void copyAttributesTo(PUAffector* affector) override;

    PUPathFollower();
    virtual ~PUPathFollower();

protected:
    PUSimpleSpline _spline;
};
NS_AX_END

#endif