axmol/extensions/Particle3D/PU/CCPUTextureRotator.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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#ifndef __CC_PU_PARTICLE_3D_TEXTURE_ROTATOR_H__
#define __CC_PU_PARTICLE_3D_TEXTURE_ROTATOR_H__

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

NS_CC_BEGIN

class CC_EX_DLL PUTextureRotator : public PUAffector
{
public:
    // Constants
    static const bool DEFAULT_USE_OWN_SPEED;
    static const float DEFAULT_ROTATION_SPEED;
    static const float DEFAULT_ROTATION;

    static PUTextureRotator* create();

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

    /** Returns an indication whether the 2D rotation speed is the same for all particles in this
        particle technique, or whether the 2D rotation speed of the particle itself is used.
    */
    bool useOwnRotationSpeed() const;

    /** Set the indication whether the 2D rotation speed of the particle itself is used.
     */
    void setUseOwnRotationSpeed(bool useOwnRotationSpeed);

    /** Returns the rotation speed. This is the speed controlled by the affector.
     */
    PUDynamicAttribute* getRotationSpeed() const;

    /**
     */
    void setRotationSpeed(PUDynamicAttribute* dynRotationSpeed);

    /** Returns the rotation defined in the affector.
     */
    PUDynamicAttribute* getRotation() const;

    /**
     */
    void setRotation(PUDynamicAttribute* dynRotation);

    /** Returns a rotation set in the affector, depending on the type of dynamic attribute.
     */
    float calculateRotation();

    /** Returns a rotation speed value, depending on the type of dynamic attribute.
     */
    float calculateRotationSpeed(PUParticle3D* particle);

    /** @copydoc ParticleAffector::_initParticleForEmission */
    virtual void initParticleForEmission(PUParticle3D* particle) override;

    virtual void copyAttributesTo(PUAffector* affector) override;

    PUTextureRotator();
    virtual ~PUTextureRotator();

protected:
    bool _useOwnRotationSpeed;
    float _scaledRotationSpeed;
    float _twoPiRad;
    PUDynamicAttribute* _dynRotation;
    PUDynamicAttribute* _dynRotationSpeed;

    /** Helper factory
     */
    PUDynamicAttributeHelper _dynamicAttributeHelper;
};
NS_CC_END

#endif