Twirl Class Reference

Twirl action. More...

#include <ActionGrid3D.h>

Inherits Grid3DAction.

Public Member Functions
const Vec2 &	getPosition () const
	Get the center position of twirl action.
void	setPosition (const Vec2 &position)
	Set the center position of twirl action.
float	getAmplitude () const
	Get the amplitude of the effect.
void	setAmplitude (float amplitude)
	Set the amplitude to the effect.
float	getAmplitudeRate () const
	Get the amplitude rate of the effect.
void	setAmplitudeRate (float amplitudeRate)
	Set the amplitude rate of the effect.
bool	initWithDuration (float duration, const Vec2 &gridSize, const Vec2 &position, unsigned int twirls, float amplitude)
	Initializes the action with center position, number of twirls, amplitude, a grid size and duration.
Public Member Functions inherited from Grid3DAction
virtual GridBase *	getGrid () override
	Get the pointer of GridBase.
Vec3	getVertex (const Vec2 &position) const
	Get the vertex that belongs to certain position in the grid.
Vec3	getOriginalVertex (const Vec2 &position) const
	Get the non-transformed vertex that belongs to certain position in the grid.
void	setVertex (const Vec2 &position, const Vec3 &vertex)
	Set a new vertex to a certain position of the grid.
Rect	getGridRect () const
	Get the effect grid rect.
Public Member Functions inherited from GridAction
bool	initWithDuration (float duration, const Vec2 &gridSize)
	Initializes the action with size and duration.
Public Member Functions inherited from ActionInterval
float	getElapsed ()
	How many seconds had elapsed since the actions started to run.
void	setAmplitudeRate (float amp)
	Sets the amplitude rate, extension in GridAction.
float	getAmplitudeRate ()
	Gets the amplitude rate, extension in GridAction.
virtual void	step (float dt) override
bool	initWithDuration (float d)
	initializes the action

Static Public Member Functions
static Twirl *	create (float duration, const Vec2 &gridSize, const Vec2 &position, unsigned int twirls, float amplitude)
	Create the action with center position, number of twirls, amplitude, a grid size and duration.

Detailed Description

Twirl action.

This action is used for take effect on the target node as twirl. You can control the effect by these parameters: duration, grid size, center position, twirls count, amplitude.

Member Function Documentation

create()

static Twirl * create ( float duration, const Vec2 & gridSize, const Vec2 & position, unsigned int twirls, float amplitude )

static

Create the action with center position, number of twirls, amplitude, a grid size and duration.

Parameters

duration	Specify the duration of the Twirl action. It's a value in seconds.
gridSize	Specify the size of the grid.
position	Specify the center position of the twirl action.
twirls	Specify the twirls count of the Twirl action.
amplitude	Specify the amplitude of the Twirl action.

Returns

If the creation success, return a pointer of Twirl action; otherwise, return nil.

getPosition()

const Vec2 & getPosition ( ) const

inline

Get the center position of twirl action.

Returns

The center position of twirl action.

setPosition()

void setPosition

(

const Vec2 &

position

)

Set the center position of twirl action.

Parameters

position

The center position of twirl action will be set.

getAmplitude()

float getAmplitude ( ) const

inline

Get the amplitude of the effect.

Returns

Return the amplitude of the effect.

setAmplitude()

void setAmplitude ( float amplitude )

inline

Set the amplitude to the effect.

Parameters

amplitude

The value of amplitude will be set.

getAmplitudeRate()

float getAmplitudeRate ( ) const

inline

Get the amplitude rate of the effect.

Returns

Return the amplitude rate of the effect.

setAmplitudeRate()

void setAmplitudeRate ( float amplitudeRate )

inline

Set the amplitude rate of the effect.

Parameters

amplitudeRate

The value of amplitude rate will be set.

initWithDuration()

bool initWithDuration	(	float	duration,
		const Vec2 &	gridSize,
		const Vec2 &	position,
		unsigned int	twirls,
		float	amplitude )

Initializes the action with center position, number of twirls, amplitude, a grid size and duration.

Parameters

duration	Specify the duration of the Twirl action. It's a value in seconds.
gridSize	Specify the size of the grid.
position	Specify the center position of the twirl action.
twirls	Specify the twirls count of the Twirl action.
amplitude	Specify the amplitude of the Twirl action.

Returns

If the initialization success, return true; otherwise, return false.

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The documentation for this class was generated from the following file:

• ActionGrid3D.h