Class cocos.actions.basegrid_actions.AccelDeccelAmplitude

             object --+        
                      |        
    base_actions.Action --+    
                          |    
base_actions.IntervalAction --+
                              |
                             AccelDeccelAmplitude

Increases and Decreases the amplitude of Wave

Example:

# when t=0 and t=1 the amplitude will be 0
# when t=0.5 (half time), the amplitude will be 40
action = AccellDeccelAmplitude( Wave3D( waves=4, amplitude=40, duration=6) )
scene.do( action )

Methods

	init(self, other, rate=1.0) Init method.
	start(self) Before we start executing an action, self.target is assigned and this method is called.
	update(self, t) Gets called on every frame.
	__reversed__(self)
Inherited from `base_actions.IntervalAction`: `done` Inherited from `base_actions.Action`: `__add__`, `__init__`, `__mul__`, `__or__`, `step`, `stop` Inherited from `object`: `__delattr__`, `__getattribute__`, `__hash__`, `__new__`, `__reduce__`, `__reduce_ex__`, `__repr__`, `__setattr__`, `__str__`

Properties

Inherited from object: __class__

Instance Variables

Inherited from base_actions.Action: target

Method Details

init

init(self, other, rate=1.0)

Init method.

Parameters:

other : IntervalAction: The action that will be affected
rate : float: The acceleration rate. 1 is linear (default value)

Overrides:

base_actions.Action.init

start

start(self)

Before we start executing an action, self.target is assigned and this method is called. It will be called for every execution of the action.

Overrides:: base_actions.Action.start

update

update(self, t)

Gets called on every frame. t is in [0,1] If this action takes 5 seconds to execute, t will be equal to 0 at 0 seconds. t will be 0.5 at 2.5 seconds and t will be 1 at 5sec.

Overrides:: base_actions.IntervalAction.update

reversed

__reversed__(self)

Overrides:: base_actions.Action.__reversed__