snapToPosition method
Implementation
void snapToPosition(double endValue, {double? startValue}) {
final Simulation simulation = SpringSimulation(
SpringDescription.withDampingRatio(
mass: 1.0,
stiffness: 600.0,
ratio: 1.1,
),
startValue ?? panelController.value.factor,
endValue,
0,
);
_animationController.animateWith(simulation);
}