private static PointKeyFrame CreatePointKeyFrmas(KeyFrames <Point> Model)
{
PointKeyFrame frame = null;
switch (Model.Type)
{
case KeyFramesType.Spline: frame = new SplinePointKeyFrame()
{
KeySpline = Model.Spline
}; break;
case KeyFramesType.Linear: frame = new LinearPointKeyFrame(); break;
case KeyFramesType.Easing: frame = new EasingPointKeyFrame()
{
EasingFunction = Model.EasingFunction
}; break;
case KeyFramesType.Discrete: frame = new DiscretePointKeyFrame(); break;
default: break;
}
frame.KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(Model.KeyTime));
frame.Value = Model.Value;
return(frame);
}
// Adds individual animations to the locationAnimation StoryBoard.
private void AnimateNode(int key, NodePanel np, Duration duration)
{
if (key < 0)
{
return;
}
if (np == null)
{
return;
}
PointAnimationUsingKeyFrames locationAnimation = new PointAnimationUsingKeyFrames();
double keyTime = 0.0;
// Gets the LinearPointKeyFrames for the PointAnimationUsingKeyFrames.
// Starts at key-1 to account for an initial KeyFrame.
for (int i = key - 1; i < (key + NumberOfNodes - 1); i++)
{
LinearPointKeyFrame lpkf = new LinearPointKeyFrame();
lpkf.KeyTime = TimeSpan.FromSeconds(keyTime);
int nextNodeKeyInt = i + 1;
if (nextNodeKeyInt >= (NumberOfNodes - 1))
{
nextNodeKeyInt = nextNodeKeyInt % (NumberOfNodes - 1);
}
MyNodeData nextNodeData = myDiagram.Model.FindNodeByKey((nextNodeKeyInt)) as MyNodeData;
if (nextNodeData == null || nextNodeData.Location == null)
{
return;
}
lpkf.Value = nextNodeData.Location;
locationAnimation.KeyFrames.Add(lpkf);
// If duration equals TimeSpan.FromSeconds(NumberOfNodes - 1),
// then keyTime increases by 1 with each iteration.
keyTime += ((double)duration.TimeSpan.TotalSeconds) / (NumberOfNodes - 1);
}
LocationStoryBoard.Children.Add(locationAnimation);
Storyboard.SetTarget(locationAnimation, np);
Storyboard.SetTargetProperty(locationAnimation, new PropertyPath(Node.LocationProperty));
}
