protected override void Update(double xGlobal, KeyFrameAnimationState <TAnimationValue> state)
{
var animationDuration = Duration.ToTimeSpan().TotalMilliseconds;
for (var i = 0; i < KeyFrames.Count; i++)
{
var keyFrame = KeyFrames[i];
var x1 = keyFrame.KeyTime.TotalMilliseconds / animationDuration;
if (xGlobal < x1)
{
continue;
}
if (i == 1)
{
}
var x2 = (i < KeyFrames.Count - 1
? KeyFrames[i + 1].KeyTime.TotalMilliseconds
: animationDuration) / animationDuration;
//: RepeatBehavior.RepeatEnabled
// ? keyFrame.KeyTime.Add(KeyFrames[0].KeyTime).TotalMilliseconds
// : animationDuration) / animationDuration;
if (xGlobal > x2)
{
continue;
}
var x = (xGlobal - x1) / (x2 - x1);
state.PreviousKeyFrameValue = i > 0 ? KeyFrames[i - 1].Value : state.StoredValue;
keyFrame.Update(x, state);
}
}
protected override void RestoreAnimationState(BindableObject target,
KeyFrameAnimationState <TAnimationValue> state)
{
if (FillBehavior == FillBehavior.Stop)
{
state.Target.SetValue(TargetProperty, state.StoredValue);
}
}