RedCore/cocos2d/extensions/Particle3D/PU/CCPUCircleEmitter.h

/****************************************************************************
 Copyright (C) 2013 Henry van Merode. All rights reserved.
 Copyright (c) 2015-2017 Chukong Technologies Inc.
 
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 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_CIRCLE_EMITTER_H__
#define __CC_PU_PARTICLE_3D_CIRCLE_EMITTER_H__

#include "extensions/Particle3D/PU/CCPUEmitter.h"

NS_CC_BEGIN

class  CC_DLL PUCircleEmitter : public PUEmitter
{
public:
    // Constants
    static const float DEFAULT_RADIUS;
    static const float DEFAULT_STEP;
    static const float DEFAULT_ANGLE;
    static const bool DEFAULT_RANDOM;
    static const Vec3 DEFAULT_NORMAL;

    static PUCircleEmitter* create();

    /** 
    */
    float getRadius() const;
    void setRadius(const float radius);

    /** 
    */
    float getCircleAngle() const;
    void setCircleAngle(const float circleAngle);

    /** 
    */
    float getStep() const;
    void setStep(const float step);

    /** 
    */
    bool isRandom() const;
    void setRandom(const bool random);

    /* 
    */ 
    const Quaternion& getOrientation(void) const;
    const Vec3& getNormal(void) const;
    void setNormal(const Vec3 &normal); 

    /** See ParticleEmiter
    */
    virtual void notifyStart(void) override;

    virtual PUCircleEmitter* clone() override;
    virtual void copyAttributesTo (PUEmitter* emitter) override;

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

protected:

    /** Determine a particle position on the circle.
    */
    virtual void initParticlePosition(PUParticle3D* particle) override;

    /** Determine the particle direction.
    */
    virtual void initParticleDirection(PUParticle3D* particle) override;

    Quaternion getRotationTo(const Vec3 &src, const Vec3& dest,
        const Vec3& fallbackAxis = Vec3::ZERO) const;

protected:
    float _radius;
    float _circleAngle;
    float _originalCircleAngle;
    float _step;
    float _x;
    float _z;
    bool _random;
    Quaternion _orientation;
    Vec3 _normal;


};
NS_CC_END

#endif