public void resync(TickerProvider vsync)
{
Ticker oldTicker = this._ticker;
this._ticker = vsync.createTicker(this._tick);
this._ticker.absorbTicker(oldTicker);
}
AnimationController(
float value = 0.0f,
TimeSpan?duration = null,
string debugLabel = null,
TickerProvider vsync = null
)
{
D.assert(vsync != null);
this.lowerBound = float.NegativeInfinity;
this.upperBound = float.PositiveInfinity;
this._direction = _AnimationDirection.forward;
this.duration = duration;
this.debugLabel = debugLabel;
this._ticker = vsync.createTicker(this._tick);
this._internalSetValue(value);
}
public AnimationController(
float?value = null,
TimeSpan?duration = null,
string debugLabel = null,
float lowerBound = 0.0f,
float upperBound = 1.0f,
TickerProvider vsync = null
)
{
D.assert(upperBound >= lowerBound);
D.assert(vsync != null);
this._direction = _AnimationDirection.forward;
this.duration = duration;
this.debugLabel = debugLabel;
this.lowerBound = lowerBound;
this.upperBound = upperBound;
this._ticker = vsync.createTicker(this._tick);
this._internalSetValue(value ?? lowerBound);
}
public _GlowController(
TickerProvider vsync,
Color color,
Axis axis
)
{
D.assert(vsync != null);
D.assert(color != null);
_color = color;
_axis = axis;
_glowController = new AnimationController(vsync: vsync);
_glowController.addStatusListener(_changePhase);
Animation <float> decelerator = new CurvedAnimation(
parent: _glowController,
curve: Curves.decelerate
);
decelerator.addListener(notifyListeners);
_glowOpacity = decelerator.drive(_glowOpacityTween);
_glowSize = decelerator.drive(_glowSizeTween);
_displacementTicker = vsync.createTicker(_tickDisplacement);
}
