//-----------------------------------------------------------------------
public Animation(SkeletalAnimationItem item)
{
Timeline = new AnimationTimeline();
Timeline.DataContext = this;
Item = item;
InterpolatedSkeleton = RecursivelyConvert(Item.RootBone);
PropertyChanged += (e, args) =>
{
item.RaisePropertyChangedEvent(args.PropertyName);
};
Timeline.PropertyChanged += (e, args) =>
{
if (args.PropertyName == "IndicatorTime")
{
Prev = null;
Next = null;
if (Keyframes.Count > 0)
{
if (Timeline.IndicatorTime <= Keyframes.FirstOrDefault().Time)
{
Prev = Keyframes.FirstOrDefault();
}
else if (Timeline.IndicatorTime >= Keyframes.LastOrDefault().Time)
{
Prev = Keyframes.LastOrDefault();
}
else
{
foreach (var keyframe in Keyframes)
{
Prev = Next;
Next = keyframe;
if (keyframe.Time >= Timeline.IndicatorTime)
{
break;
}
}
}
}
foreach (var bone in InterpolatedSkeleton.Descendants)
{
bone.InvalidateTransforms();
}
RaisePropertyChangedEvent("IndicatorTime");
}
};
}