value property
override
The current value of the animation.
Implementation
@override
double get value {
final Curve? activeCurve = _useForwardCurve ? curve : reverseCurve;
final double t = parent.value;
if (activeCurve == null) {
return t;
}
if (t == 0.0 || t == 1.0) {
assert(() {
final double transformedValue = activeCurve.transform(t);
final double roundedTransformedValue = transformedValue.round().toDouble();
if (roundedTransformedValue != t) {
throw FlutterError(
'Invalid curve endpoint at $t.\n'
'Curves must map 0.0 to near zero and 1.0 to near one but '
'${activeCurve.runtimeType} mapped $t to $transformedValue, which '
'is near $roundedTransformedValue.',
);
}
return true;
}());
return t;
}
return activeCurve.transform(t);
}