public MotionPathAdorner(AdornerSet adornerSet)
: base(adornerSet)
{
this.motionPath = new MotionPath();
DesignerContext designerContext = this.DesignerContext;
this.TryGetTranslateAnimationProperties();
this.leftAnimationProperty = designerContext.ActiveSceneViewModel.AnimationEditor.GetAnimationProperty((SceneNode)this.Element, new PropertyReference((ReferenceStep)this.Element.Platform.Metadata.ResolveProperty(CanvasElement.LeftProperty)));
this.topAnimationProperty = designerContext.ActiveSceneViewModel.AnimationEditor.GetAnimationProperty((SceneNode)this.Element, new PropertyReference((ReferenceStep)this.Element.Platform.Metadata.ResolveProperty(CanvasElement.TopProperty)));
}
public void MoveToTime(double time)
{
if (time < 0.0)
{
throw new ArgumentException("negative times are not valid");
}
if (Tolerances.LessThan(time, this.lastEvaluatedTime))
{
throw new ArgumentException("Evaluating backward in time is not supported. Call Reset() first");
}
this.lastEvaluatedTime = time;
if (time >= this.curSegmentStartTime && time < this.curSegmentEndTime)
{
return;
}
while (time > this.curSegmentEndTime)
{
this.curSegmentStartTime = this.curSegmentStartTime == -1.0 ? 0.0 : this.curSegmentEndTime;
this.curSegmentStartValue = this.curSegmentEndValue;
if (this.keyFrameEnumerator.MoveNext())
{
this.easingFunction = (IEasingFunctionDefinition)null;
this.keySpline = (KeySpline)null;
switch (this.keyFrameEnumerator.Current.InterpolationType)
{
case KeyFrameInterpolationType.Discrete:
this.keySpline = (KeySpline)null;
break;
case KeyFrameInterpolationType.Spline:
this.keySpline = this.keyFrameEnumerator.Current.KeySpline;
if (this.keySpline == null)
{
this.keySpline = ForwardAnimationEvaluator.linearKeySpline;
break;
}
break;
case KeyFrameInterpolationType.Linear:
this.keySpline = ForwardAnimationEvaluator.linearKeySpline;
break;
case KeyFrameInterpolationType.Easing:
this.easingFunction = this.keyFrameEnumerator.Current.EasingFunction;
if (this.easingFunction == null)
{
this.keySpline = ForwardAnimationEvaluator.linearKeySpline;
break;
}
break;
default:
this.keySpline = (KeySpline)null;
break;
}
this.curSegmentEndTime = this.keyFrameEnumerator.Current.Time;
this.curSegmentEndValue = new double?(MotionPath.GetKeyframeValue(this.keyFrameEnumerator.Current));
}
else
{
this.keySpline = (KeySpline)null;
this.curSegmentEndTime = double.PositiveInfinity;
this.curSegmentEndValue = new double?();
}
}
if (this.curSegmentStartValue.HasValue && this.curSegmentEndValue.HasValue)
{
this.valueInterpolator = (DoubleInterpolator) new LinearDoubleInterpolator(this.curSegmentStartValue.Value, this.curSegmentEndValue.Value);
}
else
{
this.valueInterpolator = (DoubleInterpolator)null;
}
}