Cocos2d-x  v4
ActionFloat Class Reference

Action used to animate any value in range [from,to] over specified time interval. More...

Inherits ActionInterval.

Public Types

typedef std::function< void(float value)> ActionFloatCallback
 Callback function used to report back result.
 

Public Member Functions

void startWithTarget (Node *target) override
 Overridden ActionInterval methods.
 
void update (float delta) override
 Called once per frame. More...
 
ActionFloatreverse () const override
 Returns a new action that performs the exact reverse of the action. More...
 
ActionFloatclone () const override
 Returns a clone of action. More...
 
- Public Member Functions inherited from ActionInterval
float getElapsed ()
 How many seconds had elapsed since the actions started to run. More...
 
void setAmplitudeRate (float amp)
 Sets the amplitude rate, extension in GridAction. More...
 
float getAmplitudeRate ()
 Gets the amplitude rate, extension in GridAction. More...
 
virtual bool isDone () const override
 Return true if the action has finished. More...
 
virtual void step (float dt) override
 
- Public Member Functions inherited from FiniteTimeAction
float getDuration () const
 Get duration in seconds of the action. More...
 
void setDuration (float duration)
 Set duration in seconds of the action. More...
 
- Public Member Functions inherited from Action
virtual std::string description () const
 @js NA @lua NA
 
virtual void stop ()
 Called after the action has finished. More...
 
NodegetTarget () const
 Return certain target. More...
 
void setTarget (Node *target)
 The action will modify the target properties. More...
 
NodegetOriginalTarget () const
 Return a original Target. More...
 
void setOriginalTarget (Node *originalTarget)
 Set the original target, since target can be nil. More...
 
int getTag () const
 Returns a tag that is used to identify the action easily. More...
 
void setTag (int tag)
 Changes the tag that is used to identify the action easily. More...
 
unsigned int getFlags () const
 Returns a flag field that is used to group the actions easily. More...
 
void setFlags (unsigned int flags)
 Changes the flag field that is used to group the actions easily. More...
 
- Public Member Functions inherited from Ref
void retain ()
 Retains the ownership. More...
 
void release ()
 Releases the ownership immediately. More...
 
Refautorelease ()
 Releases the ownership sometime soon automatically. More...
 
unsigned int getReferenceCount () const
 Returns the Ref's current reference count. More...
 
virtual ~Ref ()
 Destructor. More...
 
- Public Member Functions inherited from Clonable
virtual ~Clonable ()
 @js NA @lua NA
 

Static Public Member Functions

static ActionFloatcreate (float duration, float from, float to, ActionFloatCallback callback)
 Creates FloatAction with specified duration, from value, to value and callback to report back results. More...
 

Additional Inherited Members

- Public Attributes inherited from Ref
unsigned int _ID
 object id, ScriptSupport need public _ID
 
int _luaID
 Lua reference id.
 
void * _scriptObject
 scriptObject, support for swift
 
bool _rooted
 When true, it means that the object was already rooted.
 
- Static Public Attributes inherited from Action
static const int INVALID_TAG = -1
 Default tag used for all the actions.
 
- Protected Member Functions inherited from ActionInterval
bool initWithDuration (float d)
 initializes the action
 

Detailed Description

Action used to animate any value in range [from,to] over specified time interval.

Member Function Documentation

◆ create()

static ActionFloat* create ( float  duration,
float  from,
float  to,
ActionFloatCallback  callback 
)
static

Creates FloatAction with specified duration, from value, to value and callback to report back results.

Parameters
durationof the action
fromvalue to start from
tovalue to be at the end of the action
callbackto report back result
Returns
An autoreleased ActionFloat object

◆ update()

void update ( float  time)
overridevirtual

Called once per frame.

time a value between 0 and 1.

For example:

  • 0 Means that the action just started.
  • 0.5 Means that the action is in the middle.
  • 1 Means that the action is over.
Parameters
timeA value between 0 and 1.

Reimplemented from Action.

◆ reverse()

ActionFloat* reverse ( ) const
overridevirtual

Returns a new action that performs the exact reverse of the action.

Returns
A new action that performs the exact reverse of the action. @js NA

Reimplemented from ActionInterval.

◆ clone()

ActionFloat* clone ( ) const
overridevirtual

Returns a clone of action.

Returns
A clone action.

Reimplemented from ActionInterval.


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