ActionInterval class
The abstract class for an action that changes properties over a time interval, optionally using an easing curve.
- Inheritance
- Implemented by
Constructors
- ActionInterval([double _duration = 0.0, Curve curve ])
- Creates a new ActionInterval, typically you will want to pass in a duration to specify how long time the action will take to complete.
Properties
- curve ↔ Curve
-
The animation curve used to ease the animation. [...]
read / write
- duration → double
-
The total time it will take to complete the action, in seconds.
read-only
- hashCode → int
-
The hash code for this object. [...]
read-only, inherited
- runtimeType → Type
-
A representation of the runtime type of the object.
read-only, inherited
Methods
-
step(
double dt) → void -
Moves to the next time step in an action,
dt
is the delta time since the last time step in seconds. Typically this method is called from the ActionController. -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed. [...]
inherited
-
toString(
) → String -
Returns a string representation of this object.
inherited
-
update(
double t) → void -
Sets the action to a specific point in time. The
t
value that is passed in is a normalized value 0.0 to 1.0 of the duration of the action. Every action will always recieve a callback with the end time point (1.0), unless it is cancelled.inherited
Operators
-
operator ==(
dynamic other) → bool -
The equality operator. [...]
inherited