public Transition CreateZoomAndPanTransition(ContainerVisual targetVisual)
{
Vector3 targetCenter, targetCenterPoint, viewportCenter;
GetValues(targetVisual, out targetCenter, out targetCenterPoint, out viewportCenter);
_zoomOffsetAnimation.SetVector3Parameter("myViewportCenter", viewportCenter);
_zoomCenterAnimation.SetVector3Parameter("myTargetCenterPoint", targetCenterPoint);
_zoomScaleAnimation.SetVector3Parameter("myScale", new Vector3(_zoomScale, _zoomScale, 1.0f));
var panningVisual = targetVisual.Parent;
var offsetAnimator = panningVisual.ConnectAnimation("Offset", _zoomOffsetAnimation);
var centerAnimator = panningVisual.ConnectAnimation("CenterPoint", _zoomCenterAnimation);
var scaleAnimator = panningVisual.ConnectAnimation("Scale", _zoomScaleAnimation);
var transition = new Transition();
transition.InsertAnimator(offsetAnimator);
transition.InsertAnimator(centerAnimator);
transition.InsertAnimator(scaleAnimator);
return transition;
}
public Transition CreateUnstackTransition(ContainerVisual targetVisual)
{
Debug.Assert((_stackedTiles != null) && (_stackedTiles.Count > 0));
var transition = new Transition();
for (int i = 0; i < _stackedTiles.Count; i++)
{
Vector3 offset = _stackedTiles[i].Frame.Offset - _stackVisual.Offset;
Vector3 direction = offset / offset.Length();
Vector3 delta = direction * Math.Max(_windowWidth, _windowHeight);
_stackFlyOutAnimation.SetVector3Parameter("delta", delta);
_stackFlyOutAnimation.SetVector3Parameter("originalOffset", _stackedTiles[i].Offset);
_stackFlyOutAnimation.DelayTime = TimeSpan.FromMilliseconds(1500 + (_stackedTiles.Count - i) * 100);
var flyOutAnimator = _stackedTiles[i].Frame.ConnectAnimation("Offset", _stackFlyOutAnimation);
transition.InsertAnimator(flyOutAnimator);
}
_stackedTiles.Clear();
_stackedTiles = null;
return transition;
}
public Transition CreateFarSlideTransition(ContainerVisual targetVisual)
{
Vector3 targetCenter, targetCenterPoint, viewportCenter;
GetValues(targetVisual, out targetCenter, out targetCenterPoint, out viewportCenter);
_farSlideOffsetAnimation.SetVector3Parameter("myViewportCenter", viewportCenter);
_slideCenterAnimation.SetVector3Parameter("myTargetCenterPoint", targetCenterPoint);
_slideCenterAnimation.Duration = _farSlideOffsetAnimation.Duration;
var parentVisual = targetVisual.Parent;
var offsetAnimator = parentVisual.ConnectAnimation("Offset", _farSlideOffsetAnimation);
var centerAnimator = parentVisual.ConnectAnimation("CenterPoint", _slideCenterAnimation);
var scaleAnimator = parentVisual.ConnectAnimation("Scale", _farSlideScaleAnimation);
var transition = new Transition();
transition.InsertAnimator(offsetAnimator);
transition.InsertAnimator(centerAnimator);
transition.InsertAnimator(scaleAnimator);
return transition;
}
public Transition CreateStackTransition(ContainerVisual targetVisual)
{
int stackSize = _random.Next(4, 9);
Debug.Assert(_stackedTiles == null);
_stackedTiles = new List<Tile>();
_stackVisual = targetVisual;
var transition = new Transition();
_stackScaleAnimation.SetVector3Parameter("myScale", new Vector3(_zoomScale, _zoomScale, 1.0f));
var stackScaleAnimator = targetVisual.Parent.ConnectAnimation("Scale", _stackScaleAnimation);
transition.InsertAnimator(stackScaleAnimator);
for (int i = 0; i < stackSize; i++)
{
var tile = _layoutManager.GetFarNeighborPreserveSelection();
_stackedTiles.Add(tile);
Vector3 offset = tile.Frame.Offset - targetVisual.Offset;
Vector3 direction = offset / offset.Length();
Vector3 startDelta = direction * Math.Max(_windowWidth, _windowHeight);
float rx = (float) (_random.NextDouble() * 100 - 50);
float ry = (float) (_random.NextDouble() * 100 - 50);
Vector3 endDelta = -direction * new Vector3(rx, ry, 0.0f);
_stackFlyInAnimation.SetReferenceParameter("stackVisual", targetVisual);
_stackFlyInAnimation.SetVector3Parameter("startDelta", startDelta);
_stackFlyInAnimation.SetVector3Parameter("endDelta", endDelta);
_stackFlyInAnimation.DelayTime = TimeSpan.FromSeconds(i * 2);
var flyInAnimator = tile.Frame.ConnectAnimation("Offset", _stackFlyInAnimation);
transition.InsertAnimator(flyInAnimator);
tile.BringToTop();
}
return transition;
}
private void Transition_TransitionFinished(Transition sender)
{
_currentTransition.TransitionFinished -= Transition_TransitionFinished;
_currentTransition.Dispose();
_currentTransition = null;
NextTransition();
}
