protected override void OnApplyTemplate() {
base.OnApplyTemplate();
ContentPresenter = (ContentControl)GetTemplateChild("ContentPresenter");
planeProjection = (PlaneProjection)GetTemplateChild("Rotator");
LayoutRoot = (FrameworkElement)GetTemplateChild("LayoutRoot");
Animation = (Storyboard)GetTemplateChild("Animation");
Animation.Completed += Animation_Completed;
rotationKeyFrame = (EasingDoubleKeyFrame)GetTemplateChild("rotationKeyFrame");
offestZKeyFrame = (EasingDoubleKeyFrame)GetTemplateChild("offestZKeyFrame");
scaleXKeyFrame = (EasingDoubleKeyFrame)GetTemplateChild("scaleXKeyFrame");
scaleYKeyFrame = (EasingDoubleKeyFrame)GetTemplateChild("scaleYKeyFrame");
scaleTransform = (ScaleTransform)GetTemplateChild("scaleTransform");
planeProjection.RotationY = yRotation;
planeProjection.LocalOffsetZ = zOffset;
if (ContentPresenter != null) {
ContentPresenter.Tapped += ContentPresenter_Tapped;
}
if (Animation != null) {
xAnimation = new DoubleAnimation();
Animation.Children.Add(xAnimation);
Storyboard.SetTarget(xAnimation, this);
Storyboard.SetTargetProperty(xAnimation, "(Canvas.Left)");
}
}
// 构造函数 做一些初始化工作
public TileButton()
{
projection = new PlaneProjection();
Projection = projection;
transform = new CompositeTransform();
RenderTransform = transform;
ManipulationMode = ManipulationModes.Rotate | ManipulationModes.Scale | ManipulationModes.TranslateX | ManipulationModes.TranslateY;
}
/// <summary>
/// 在此页将要在 Frame 中显示时进行调用。
/// </summary>
/// <param name="e">描述如何访问此页的事件数据。Parameter
/// 属性通常用于配置页。</param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
CompositeTransform transform = new CompositeTransform();
transform.Rotation = 45;
transform.ScaleX = 0.5;
transform.ScaleY = 0.5;
image1.RenderTransform = transform;
PlaneProjection project = new PlaneProjection();
project.RotationY = 60;
image2.Projection = project;
}
private void OpenPopup(Popup popupPanel, PlaneProjection panelCarrot, Button panelButton, int horizontalOffset, int verticalOffset)
{
//First we need to find out how big our window is, so we can center to it.
CoreWindow currentWindow = Window.Current.CoreWindow;
//Set our background rectangle to fill the entire window
rectBackgroundHide.Height = currentWindow.Bounds.Height;
rectBackgroundHide.Width = currentWindow.Bounds.Width;
rectBackgroundHide.Margin = new Thickness(0, 0, 0, 0);
//Make sure the background is visible
rectBackgroundHide.Visibility = Windows.UI.Xaml.Visibility.Visible;
//Now we figure out where the center of the screen is, and we
//move the popup to that location.
var buttonBounds = panelButton.GetElementBounds(this);
popupPanel.HorizontalOffset = buttonBounds.Left + horizontalOffset;
popupPanel.VerticalOffset = buttonBounds.Top + verticalOffset;
panelCarrot.RotationZ = 0;
popupPanel.IsOpen = true;
}
/// <summary>
/// Prepares a control to be tilted by setting up a plane projection and
/// some event handlers.
/// </summary>
/// <param name="element">The control that is to be tilted.</param>
/// <param name="centerDelta">Delta between the element's center and the
/// tilt container's.</param>
/// <returns>true if successful; false otherwise.</returns>
/// <remarks>
/// This method is conservative; it will fail any attempt to tilt a
/// control that already has a projection on it.
/// </remarks>
private static bool PrepareControlForTilt(FrameworkElement element, Point centerDelta, Pointer p)
{
// Prevents interference with any existing transforms
if (element.Projection != null || (element.RenderTransform != null && element.RenderTransform.GetType() != typeof(MatrixTransform)))
{
return false;
}
_originalCacheMode[element] = element.CacheMode;
element.CacheMode = new BitmapCache();
TranslateTransform transform = new TranslateTransform();
transform.X = centerDelta.X;
transform.Y = centerDelta.Y;
element.RenderTransform = transform;
PlaneProjection projection = new PlaneProjection();
projection.GlobalOffsetX = -1 * centerDelta.X;
projection.GlobalOffsetY = -1 * centerDelta.Y;
element.Projection = projection;
element.PointerMoved += TiltEffect_PointerMoved;
element.PointerReleased += TiltEffect_PointerReleased;
element.CapturePointer(p);
return true;
}
/// <summary>
/// Runs the cascades animation.
/// </summary>
/// <exception cref="System.InvalidOperationException"></exception>
public void Cascade()
{
if (!_isLoaded ||
_layoutGrid == null)
{
return;
}
if (Rows < 1)
Rows = 1;
if (Columns < 1)
Columns = 1;
_layoutGrid.Children.Clear();
_layoutGrid.RowDefinitions.Clear();
_layoutGrid.ColumnDefinitions.Clear();
for (int row = 0; row < Rows; row++)
{
_layoutGrid.RowDefinitions.Add(new RowDefinition());
}
for (int column = 0; column < Columns; column++)
{
_layoutGrid.ColumnDefinitions.Add(new ColumnDefinition());
}
var sb = new Storyboard();
var totalDurationInSeconds = RowDelay.TotalSeconds * (Rows - 1) +
ColumnDelay.TotalSeconds * (Columns - 1) +
TileDuration.TotalSeconds;
CascadeDirection direction = this.CascadeDirection;
if (direction == CascadeDirection.Random)
{
direction = (CascadeDirection)Random.Next((int)CascadeDirection.Random);
}
int startColumn;
int exclusiveEndColumn;
int columnIncrement;
int startRow;
int exclusiveEndRow;
int rowIncrement;
switch (direction)
{
case CascadeDirection.Shuffle:
case CascadeDirection.TopLeft:
startColumn = 0;
exclusiveEndColumn = Columns;
columnIncrement = 1;
startRow = 0;
exclusiveEndRow = Rows;
rowIncrement = 1;
break;
case CascadeDirection.TopRight:
startColumn = Columns - 1;
exclusiveEndColumn = -1;
columnIncrement = -1;
startRow = 0;
exclusiveEndRow = Rows;
rowIncrement = 1;
break;
case CascadeDirection.BottomRight:
startColumn = Columns - 1;
exclusiveEndColumn = -1;
columnIncrement = -1;
startRow = Rows - 1;
exclusiveEndRow = -1;
rowIncrement = -1;
break;
case CascadeDirection.BottomLeft:
startColumn = 0;
exclusiveEndColumn = Columns;
columnIncrement = 1;
startRow = Rows - 1;
exclusiveEndRow = -1;
rowIncrement = -1;
break;
default:
throw new InvalidOperationException();
}
List<Tuple<int, int>> rectCoords = new List<Tuple<int, int>>(Rows * Columns);
List<Rectangle> rects = new List<Rectangle>(Rows * Columns);
List<PlaneProjection> projs = new List<PlaneProjection>(Rows * Columns);
for (int row = startRow; row != exclusiveEndRow; row = row + rowIncrement)
for (int column = startColumn; column != exclusiveEndColumn; column = column + columnIncrement)
{
var rect = new Rectangle();
rects.Add(rect);
Grid.SetRow(rect, row);
Grid.SetColumn(rect, column);
rectCoords.Add(new Tuple<int, int>(column, row));
var brush = new ImageBrush();
brush.ImageSource = this.ImageSource;
rect.Fill = brush;
var transform = new CompositeTransform();
transform.TranslateX = -column;
transform.ScaleX = Columns;
transform.TranslateY = -row;
transform.ScaleY = Rows;
brush.RelativeTransform = transform;
var projection = new PlaneProjection();
projection.CenterOfRotationY = 0;
rect.Projection = projection;
projs.Add(projection);
_layoutGrid.Children.Add(rect);
}
var indices = new List<int>(Rows * Columns);
for (int i = 0; i < Rows * Columns; i++)
indices.Add(i);
if (direction == CascadeDirection.Shuffle)
{
indices = indices.Shuffle();
}
for (int ii = 0; ii < indices.Count; ii++)
{
var i = indices[ii];
var projection = projs[i];
var rect = rects[i];
var column = rectCoords[ii].Item1;
var row = rectCoords[ii].Item2;
//Debug.WriteLine("i: {0}, p: {1}, rect: {2}, c: {3}, r: {4}", i, projection.GetHashCode(), rect.GetHashCode(), column, row);
var rotationAnimation = new DoubleAnimationUsingKeyFrames();
Storyboard.SetTarget(rotationAnimation, projection);
Storyboard.SetTargetProperty(rotationAnimation, "RotationX");
var endKeyTime =
this.CascadeSequence == CascadeSequence.EndTogether
? TimeSpan.FromSeconds(totalDurationInSeconds)
: TimeSpan.FromSeconds(
(double)row * RowDelay.TotalSeconds +
(double)column * ColumnDelay.TotalSeconds +
TileDuration.TotalSeconds);
rotationAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = TimeSpan.Zero,
Value = 90
});
rotationAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = TimeSpan.FromSeconds((double)row * RowDelay.TotalSeconds + (double)column * ColumnDelay.TotalSeconds),
Value = 90
});
rotationAnimation.KeyFrames.Add(
new EasingDoubleKeyFrame
{
KeyTime = endKeyTime,
EasingFunction = CascadeInEasingFunction,
Value = 0
});
sb.Children.Add(rotationAnimation);
var opacityAnimation = new DoubleAnimationUsingKeyFrames();
Storyboard.SetTarget(opacityAnimation, rect);
Storyboard.SetTargetProperty(opacityAnimation, "Opacity");
opacityAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = TimeSpan.Zero,
Value = 0
});
opacityAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = TimeSpan.FromSeconds((double)row * RowDelay.TotalSeconds + (double)column * ColumnDelay.TotalSeconds),
Value = 0
});
opacityAnimation.KeyFrames.Add(
new EasingDoubleKeyFrame
{
KeyTime = endKeyTime,
EasingFunction = CascadeInEasingFunction,
Value = 1
});
sb.Children.Add(opacityAnimation);
}
sb.Begin();
}
protected PlaneProjection GetProjection(FrameworkElement element)
{
var projection = element.Projection as PlaneProjection;
if (projection == null)
element.Projection = projection = new PlaneProjection();
return projection;
}
private void CreateItem2(object item, double opacity = 1)
{
var element = ItemTemplate.LoadContent() as FrameworkElement;
if (element != null)
{
element.DataContext = item;
element.Opacity = opacity;
element.RenderTransformOrigin = new Point(0.5, 0.5);
var planeProjection = new PlaneProjection
{
CenterOfRotationX = 0.5,
CenterOfRotationY = 0.5
};
element.Projection = planeProjection;
_internalList.Add(element);
Children.Add(element);
}
}
protected override void PrepareContainerForItemOverride(DependencyObject element, object item)
{
base.PrepareContainerForItemOverride(element, item);
ListBoxItem item2 = element as ListBoxItem;
if (item2 != null && !items.Contains(item2))
{
item2.Visibility = Visibility.Collapsed;
if (Orientation == Orientation.Horizontal)
item2.HorizontalAlignment = HorizontalAlignment.Center;
else
item2.VerticalAlignment = VerticalAlignment.Center;
items.Add(item2);
TransformGroup myTransformGroup = new TransformGroup();
ScaleTransform scaleTransform = new ScaleTransform();
TranslateTransform translateTransform = new TranslateTransform();
PlaneProjection planeProjection = new PlaneProjection() { CenterOfRotationX = .5, CenterOfRotationY = .5, CenterOfRotationZ = .5 };
myTransformGroup.Children.Add(scaleTransform);
myTransformGroup.Children.Add(translateTransform);
// Associate the transforms to the object
item2.RenderTransformOrigin = itemRenderTransformOrigin;
item2.RenderTransform = myTransformGroup;
item2.Projection = planeProjection;
if (items.Count < pageCount + 1)
{
SetLocation(item2, items.Count - 1);
}
}
}
/// <summary>
/// animation for banner ad
/// </summary>
private void RotateInterstitialAd()
{
Storyboard _storyBourd = new Storyboard();
DoubleAnimation _doubleAnimation = new DoubleAnimation();
_doubleAnimation.From = 90;
_doubleAnimation.To = 0;
PlaneProjection projection1 = new PlaneProjection();
Maingrid.Projection = projection1;
_doubleAnimation.Duration = new Duration(TimeSpan.FromSeconds(1.25));
Storyboard.SetTarget(_doubleAnimation, Maingrid.Projection);
Storyboard.SetTargetProperty(_doubleAnimation, new PropertyPath(PlaneProjection.RotationXProperty));
_storyBourd.Children.Add(_doubleAnimation);
_storyBourd.Seek(TimeSpan.FromSeconds(0.5));
_storyBourd.Begin();
}
static bool PrepareControlForTilt(FrameworkElement element, Point centerDelta)
#endif
{
// Prevents interference with any existing transforms
if (element.Projection != null || (element.RenderTransform != null && element.RenderTransform.GetType() != typeof(MatrixTransform)))
{
return false;
}
OriginalCacheMode[element] = element.CacheMode;
element.CacheMode = new BitmapCache();
var transform = new TranslateTransform {X = centerDelta.X, Y = centerDelta.Y};
element.RenderTransform = transform;
var projection = new PlaneProjection {GlobalOffsetX = -1*centerDelta.X, GlobalOffsetY = -1*centerDelta.Y};
element.Projection = projection;
#if WINDOWS_STORE
element.PointerMoved += TiltEffect_PointerMoved;
element.PointerReleased += TiltEffect_PointerReleased;
element.PointerCaptureLost += TiltEffect_PointerCaptureLost;
element.CapturePointer(p);
#elif WINDOWS_PHONE
element.ManipulationDelta += TiltEffectDelta;
element.ManipulationCompleted += TiltEffectCompleted;
#endif
return true;
}
//private void AnimateLeft()
//{
// var animDuration = new Duration(TimeSpan.FromMilliseconds(1000d));
// var offset = this.BorderThickness.Right + this.BorderThickness.Left;
// if (this.IsFrontSide)
// {
// var storyboard = new Storyboard();
// storyboard = this.AddToStoryboard(storyboard, -this.ActualWidth + offset, 0d, animDuration,
// this.backContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetX)");
// storyboard = this.AddToStoryboard(storyboard, 0d, this.ActualWidth - offset, animDuration,
// this.frontContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetX)");
// this.IsFrontSide = false;
// storyboard.Begin();
// }
// else
// {
// var storyboard = new Storyboard();
// storyboard = this.AddToStoryboard(storyboard, -this.ActualWidth + offset, 0d, animDuration,
// this.frontContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetX)");
// storyboard = this.AddToStoryboard(storyboard, 0d, this.ActualWidth - offset, animDuration,
// this.backContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetX)");
// storyboard.Begin();
// this.IsFrontSide = true;
// }
//}
//private void AnimateRight()
//{
// var animDuration = new Duration(TimeSpan.FromMilliseconds(1000d));
// var offset = this.BorderThickness.Right + this.BorderThickness.Left;
// if (this.IsFrontSide)
// {
// var storyboard = new Storyboard();
// storyboard = this.AddToStoryboard(storyboard, 0d, -this.ActualWidth + offset, animDuration,
// this.frontContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetX)");
// storyboard = this.AddToStoryboard(storyboard, this.ActualWidth - offset, 0d, animDuration,
// this.backContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetX)");
// this.IsFrontSide = false;
// storyboard.Begin();
// }
// else
// {
// var storyboard = new Storyboard();
// storyboard = this.AddToStoryboard(storyboard, 0d, -this.ActualWidth + offset, animDuration,
// this.backContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetX)");
// storyboard = this.AddToStoryboard(storyboard, this.ActualWidth - offset, 0d, animDuration,
// this.frontContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetX)");
// storyboard.Begin();
// this.IsFrontSide = true;
// }
//}
//private void AnimateUp()
//{
// var animDuration = new Duration(TimeSpan.FromMilliseconds(1000d));
// var offset = this.BorderThickness.Top + this.BorderThickness.Bottom;
// if (this.IsFrontSide)
// {
// var storyboard = new Storyboard();
// this.backContentPresenter.Visibility = Visibility.Visible;
// storyboard = this.AddToStoryboard(storyboard, 0d, -this.ActualHeight + offset, animDuration,
// this.frontContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetY)");
// storyboard = this.AddToStoryboard(storyboard, this.ActualHeight - offset, 0d, animDuration,
// this.backContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetY)");
// storyboard.Completed += (sender1, o1) => this.frontContentPresenter.Visibility = Visibility.Collapsed;
// this.IsFrontSide = false;
// storyboard.Begin();
// }
// else
// {
// var storyboard = new Storyboard();
// this.frontContentPresenter.Visibility = Visibility.Visible;
// storyboard = this.AddToStoryboard(storyboard, 0d, -this.ActualHeight + offset, animDuration,
// this.backContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetY)");
// storyboard = this.AddToStoryboard(storyboard, this.ActualHeight - offset, 0d, animDuration,
// this.frontContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetY)");
// storyboard.Completed += (sender1, o1) => this.backContentPresenter.Visibility = Visibility.Collapsed;
// storyboard.Begin();
// this.IsFrontSide = true;
// }
//}
//private void AnimateDown()
//{
// var animDuration = new Duration(TimeSpan.FromMilliseconds(1000d));
// var offset = this.BorderThickness.Top + this.BorderThickness.Bottom;
// if (this.IsFrontSide)
// {
// var storyboard = new Storyboard();
// this.backContentPresenter.Visibility = Visibility.Visible;
// storyboard = this.AddToStoryboard(storyboard, -this.ActualHeight + offset, 0d, animDuration,
// this.backContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetY)");
// storyboard = this.AddToStoryboard(storyboard, 0d, this.ActualHeight - offset, animDuration,
// this.frontContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetY)");
// storyboard.Completed += (sender1, o1) => this.frontContentPresenter.Visibility = Visibility.Collapsed;
// this.IsFrontSide = false;
// storyboard.Begin();
// }
// else
// {
// var storyboard = new Storyboard();
// this.frontContentPresenter.Visibility = Visibility.Visible;
// storyboard = this.AddToStoryboard(storyboard, -this.ActualHeight + offset, 0d, animDuration,
// this.frontContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetY)");
// storyboard = this.AddToStoryboard(storyboard, 0d, this.ActualHeight - offset, animDuration,
// this.backContentPresenter,
// "(UIElement.Projection).(PlaneProjection.GlobalOffsetY)");
// storyboard.Completed += (sender1, o1) => this.backContentPresenter.Visibility = Visibility.Collapsed;
// storyboard.Begin();
// this.IsFrontSide = true;
// }
//}
private void SetPlaneProjection(UIElement contentGrid)
{
PlaneProjection planeProjection = new PlaneProjection();
contentGrid.Projection = planeProjection;
}
private static DoubleAnimation CreateProjectionAnimation(PlaneProjection projection, double to, double seconds,
string projectionRotation)
{
var projectionAnimation = new DoubleAnimation
{
To = to,
Duration = new Duration(TimeSpan.FromSeconds(seconds)),
};
Storyboard.SetTarget(projectionAnimation, projection);
Storyboard.SetTargetProperty(projectionAnimation, projectionRotation);
return projectionAnimation;
}
public static DoubleAnimation CreateProjectionZAnimation(PlaneProjection projection, double to, double seconds)
{
return CreateProjectionAnimation(projection, to, seconds, "RotationZ");
}
/// <summary>
/// Create an item (Load data template and bind)
/// </summary>
private FrameworkElement CreateItem(object item, Double opacity = 1)
{
FrameworkElement element = ItemTemplate.LoadContent() as FrameworkElement;
if (element == null)
return null;
element.DataContext = item;
element.Opacity = opacity;
element.RenderTransformOrigin = new Point(0.5, 0.5);
PlaneProjection planeProjection = new PlaneProjection();
planeProjection.CenterOfRotationX = 0.5;
planeProjection.CenterOfRotationY = 0.5;
element.Projection = planeProjection;
this.internalList.Add(element);
this.Children.Add(element);
return element;
}
protected override void OnApplyTemplate()
{
base.OnApplyTemplate();
_contentPresenter = (ContentPresenter)GetTemplateChild(ContentPresenterName);
_topBarContentPresenter = (ContentPresenter)GetTemplateChild(TopBarContentPresenterName);
_informationGrid = (ContentPresenter)GetTemplateChild(InformationContentPresenterName);
_rightFlyoutContentPresenter = (ContentPresenter)GetTemplateChild(RightFlyoutContentPresenterName);
_rightFlyoutFadeIn = (Storyboard)GetTemplateChild(RightFlyoutFadeInName);
_rightFlyoutFadeOut = (Storyboard)GetTemplateChild(RightFlyoutFadeOutName);
_topBarFadeOut = (Storyboard) GetTemplateChild(TopBarFadeOutName);
_topBarFadeIn = (Storyboard) GetTemplateChild(TopBarFadeInName);
_rightFlyoutPlaneProjection = (PlaneProjection)GetTemplateChild(RightFlyoutPlaneProjectionName);
_rightFlyoutGridContainer = (Grid)GetTemplateChild(RightFlyoutGridContainerName);
_flyoutBackgroundGrid = (Grid)GetTemplateChild(FlyoutBackgroundGridName);
_footerContentPresenter = (ContentPresenter) GetTemplateChild(FooterContentPresenterName);
_titleBarContentPresenter = (ContentPresenter) GetTemplateChild(TitleBarContentPresenterName);
TemplateApplied.SetResult(true);
_rightFlyoutGridContainer.Visibility = Visibility.Collapsed;
_flyoutBackgroundGrid.Tapped += RightFlyoutGridContainerOnTapped;
}
/// <summary>
/// Ease PlaneProjection with values eased from startValue to endValue using a time percentage 0 -> 1.
/// </summary>
public static void EaseValue(PlaneProjection current, PlaneProjection startValue, PlaneProjection endValue, double percent)
{
if (current.RotationX != endValue.RotationX) current.RotationX = EaseValue(startValue.RotationX, endValue.RotationX, percent);
if (current.RotationY != endValue.RotationY) current.RotationY = EaseValue(startValue.RotationY, endValue.RotationY, percent);
if (current.RotationZ != endValue.RotationZ) current.RotationZ = EaseValue(startValue.RotationZ, endValue.RotationZ, percent);
if (current.LocalOffsetX != endValue.LocalOffsetX) current.LocalOffsetX = EaseValue(startValue.LocalOffsetX, endValue.LocalOffsetX, percent);
if (current.LocalOffsetY != endValue.LocalOffsetY) current.LocalOffsetY = EaseValue(startValue.LocalOffsetY, endValue.LocalOffsetY, percent);
if (current.LocalOffsetZ != endValue.LocalOffsetZ) current.LocalOffsetZ = EaseValue(startValue.LocalOffsetZ, endValue.LocalOffsetZ, percent);
if (current.GlobalOffsetX != endValue.GlobalOffsetX) current.GlobalOffsetX = EaseValue(startValue.GlobalOffsetX, endValue.GlobalOffsetX, percent);
if (current.GlobalOffsetY != endValue.GlobalOffsetY) current.GlobalOffsetY = EaseValue(startValue.GlobalOffsetY, endValue.GlobalOffsetY, percent);
if (current.GlobalOffsetZ != endValue.GlobalOffsetZ) current.GlobalOffsetZ = EaseValue(startValue.GlobalOffsetZ, endValue.GlobalOffsetZ, percent);
if (current.CenterOfRotationX != endValue.CenterOfRotationX) current.CenterOfRotationX = EaseValue(startValue.CenterOfRotationX, endValue.CenterOfRotationX, percent);
if (current.CenterOfRotationY != endValue.CenterOfRotationY) current.CenterOfRotationY = EaseValue(startValue.CenterOfRotationY, endValue.CenterOfRotationY, percent);
if (current.CenterOfRotationZ != endValue.CenterOfRotationZ) current.CenterOfRotationZ = EaseValue(startValue.CenterOfRotationZ, endValue.CenterOfRotationZ, percent);
// TO INCLUDE?
//if (current.ProjectionMatrix != endValue.ProjectionMatrix) EaseValue(current.ProjectionMatrix, startValue.ProjectionMatrix, endValue.ProjectionMatrix, percent);
}
public void Cascade()
{
RH = RW = double.NaN;
if (!_isLoaded ||
_layoutGrid == null)
{
return;
}
if (Rows < 1)
Rows = 1;
if (Columns < 1)
Columns = 1;
_layoutGrid.Children.Clear();
_layoutGrid.RowDefinitions.Clear();
_layoutGrid.ColumnDefinitions.Clear();
for (int row = 0; row < Rows; row++)
{
_layoutGrid.RowDefinitions.Add(new RowDefinition());
}
for (int column = 0; column < Columns; column++)
{
_layoutGrid.ColumnDefinitions.Add(new ColumnDefinition());
}
var sb = new Storyboard();
var totalDurationInSeconds = RowDelay.TotalSeconds * (Rows - 1) +
ColumnDelay.TotalSeconds * (Columns - 1) +
TileDuration.TotalSeconds;
CascadeDirection direction = this.CascadeDirection;
if (direction == CascadeDirection.Random)
{
direction = (CascadeDirection)Random.Next((int)CascadeDirection.Random);
}
int startColumn;
int exclusiveEndColumn;
int columnIncrement;
int startRow;
int exclusiveEndRow;
int rowIncrement;
switch (direction)
{
case CascadeDirection.Shuffle:
case CascadeDirection.TopLeft:
startColumn = 0;
exclusiveEndColumn = Columns;
columnIncrement = 1;
startRow = 0;
exclusiveEndRow = Rows;
rowIncrement = 1;
break;
case CascadeDirection.TopRight:
startColumn = Columns - 1;
exclusiveEndColumn = -1;
columnIncrement = -1;
startRow = 0;
exclusiveEndRow = Rows;
rowIncrement = 1;
break;
case CascadeDirection.BottomRight:
startColumn = Columns - 1;
exclusiveEndColumn = -1;
columnIncrement = -1;
startRow = Rows - 1;
exclusiveEndRow = -1;
rowIncrement = -1;
break;
case CascadeDirection.BottomLeft:
startColumn = 0;
exclusiveEndColumn = Columns;
columnIncrement = 1;
startRow = Rows - 1;
exclusiveEndRow = -1;
rowIncrement = -1;
break;
default:
throw new InvalidOperationException();
}
List<Tuple<int, int>> rectCoords = new List<Tuple<int, int>>(Rows * Columns);
List<Rectangle> rects = new List<Rectangle>(Rows * Columns);
//List<PlaneProjection> projs = new List<PlaneProjection>(Rows * Columns);
//List<CompositeTransform> ct = new List<CompositeTransform>(Rows * Columns);
//**********************开始的位置
List<double> translateXInfo = new List<double>();
List<double> translateYInfo = new List<double>();
for (int row = startRow; row != exclusiveEndRow; row = row + rowIncrement)
for (int column = startColumn; column != exclusiveEndColumn; column = column + columnIncrement)
{
var rect = new Rectangle();
rects.Add(rect);
Grid.SetRow(rect, row);
Grid.SetColumn(rect, column);
rectCoords.Add(new Tuple<int, int>(column, row));
var brush = new ImageBrush();
brush.ImageSource = this.ImageSource;
brush.Stretch = this.Stretch;
rect.Fill = brush;
var transform = new CompositeTransform();
transform.TranslateX = -column;
transform.ScaleX = Columns;
transform.TranslateY = -row;
transform.ScaleY = Rows;
brush.RelativeTransform = transform;
var projection = new PlaneProjection();
projection.CenterOfRotationY = 0;
rect.Projection = projection;
//projs.Add(projection);
var rectTransform = new CompositeTransform();
rectTransform.CenterX = rectTransform.CenterY = 0.5;
////////////////////////写到这
//rectTransform.TranslateX = -column;
//rectTransform.TranslateY = -row;
rectTransform.Rotation = 0;
rect.RenderTransformOrigin = new Windows.Foundation.Point(0.5, 0.5);
rect.RenderTransform = rectTransform;
//ct.Add(rectTransform);
//if (!double.IsNaN(RH) && !double.IsNaN(RW))
//{
// rect.Margin = new Thickness(column * 52, row * 50, 0, 0);
//}
_layoutGrid.Children.Add(rect);
}
//GetRHAndRW();
if (double.IsNaN(RH) || double.IsNaN(RW))
{
rects[0].SizeChanged -= sizeChanged;
rects[0].SizeChanged += sizeChanged = (ss, ee) =>
{
this.RH = ee.NewSize.Height;
this.RW = ee.NewSize.Width;
var indices = new List<int>(Rows * Columns);
for (int i = 0; i < Rows * Columns; i++)
{
indices.Add(i);
////////////////////////写到这
var transform = rects[i].RenderTransform as CompositeTransform;
//transform.TranslateX = transform.TranslateX * RW;
//transform.TranslateY = transform.TranslateY * RH;
//*****************************恶心点，随便弄个起始位置，到时候可以根据行列信息或者奇偶信息来设置起始位置
//transform.TranslateX = i * RW;
//transform.TranslateY = i * RH;
if (i < Rows * Columns / 2)
{
transform.TranslateX =-RW;
transform.TranslateY = -RH;
}
else
{
transform.TranslateX = RW;
transform.TranslateY = RH;
}
translateXInfo.Add(transform.TranslateX);
translateYInfo.Add(transform.TranslateY);
System.Diagnostics.Debug.WriteLine("TX = " + transform.TranslateX + " TY = " + transform.TranslateY + "\n");
}
if (direction == CascadeDirection.Shuffle)
{
indices = indices.Shuffle();
}
for (int ii = 0; ii < indices.Count; ii++)
{
var i = indices[ii];
//var projection = projs[i];
var projection = rects[i].Projection;
var rect = rects[i];
var column = rectCoords[ii].Item1;
var row = rectCoords[ii].Item2;
//*******************拿到当前的transform
var transfrom = rect.RenderTransform as CompositeTransform;
//Debug.WriteLine("i: {0}, p: {1}, rect: {2}, c: {3}, r: {4}", i, projection.GetHashCode(), rect.GetHashCode(), column, row);
var rotationAnimation = new DoubleAnimationUsingKeyFrames();
Storyboard.SetTarget(rotationAnimation, projection);
Storyboard.SetTargetProperty(rotationAnimation, "RotationX");
var endKeyTime =
this.CascadeSequence == CascadeSequence.EndTogether
? TimeSpan.FromSeconds(totalDurationInSeconds)
: TimeSpan.FromSeconds(
(double)row * RowDelay.TotalSeconds +
(double)column * ColumnDelay.TotalSeconds +
TileDuration.TotalSeconds);
rotationAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = TimeSpan.Zero,
Value = 90
});
rotationAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = TimeSpan.FromSeconds((double)row * RowDelay.TotalSeconds + (double)column * ColumnDelay.TotalSeconds),
Value = 90
});
rotationAnimation.KeyFrames.Add(
new EasingDoubleKeyFrame
{
KeyTime = endKeyTime,
EasingFunction = CascadeInEasingFunction,
Value = 0
});
sb.Children.Add(rotationAnimation);
//****************************y,z的效果可以研究下如何加比较好
rotationAnimation = new DoubleAnimationUsingKeyFrames();
Storyboard.SetTarget(rotationAnimation, projection);
Storyboard.SetTargetProperty(rotationAnimation, "RotationY");
rotationAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = TimeSpan.Zero,
Value = 180
});
rotationAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = TimeSpan.FromSeconds((double)row * RowDelay.TotalSeconds + (double)column * ColumnDelay.TotalSeconds),
Value = 90
});
rotationAnimation.KeyFrames.Add(
new EasingDoubleKeyFrame
{
KeyTime = endKeyTime,
EasingFunction = CascadeInEasingFunction,
Value = 0
});
sb.Children.Add(rotationAnimation);
rotationAnimation = new DoubleAnimationUsingKeyFrames();
Storyboard.SetTarget(rotationAnimation, projection);
Storyboard.SetTargetProperty(rotationAnimation, "RotationZ");
rotationAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = TimeSpan.Zero,
Value = 180
});
rotationAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = TimeSpan.FromSeconds((double)row * RowDelay.TotalSeconds + (double)column * ColumnDelay.TotalSeconds),
Value = 90
});
rotationAnimation.KeyFrames.Add(
new EasingDoubleKeyFrame
{
KeyTime = endKeyTime,
EasingFunction = CascadeInEasingFunction,
Value = 0
});
sb.Children.Add(rotationAnimation);
var opacityAnimation = new DoubleAnimationUsingKeyFrames();
Storyboard.SetTarget(opacityAnimation, rect);
Storyboard.SetTargetProperty(opacityAnimation, "Opacity");
opacityAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = TimeSpan.Zero,
Value = 0
});
opacityAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = TimeSpan.FromSeconds((double)row * RowDelay.TotalSeconds + (double)column * ColumnDelay.TotalSeconds),
Value = 0
});
opacityAnimation.KeyFrames.Add(
new EasingDoubleKeyFrame
{
KeyTime = endKeyTime,
EasingFunction = CascadeInEasingFunction,
Value = 1
});
sb.Children.Add(opacityAnimation);
//******************** 效果差不错出来了,主要是起始点的设置，还有，这里的动画要不要弄成关键祯？
var translateXanimation = new DoubleAnimation();
translateXanimation.From = translateXInfo[i];
translateXanimation.To = 0;
translateXanimation.Duration = endKeyTime;
Storyboard.SetTarget(translateXanimation, transfrom);
Storyboard.SetTargetProperty(translateXanimation, "TranslateX");
sb.Children.Add(translateXanimation);
var translateYanimation = new DoubleAnimation();
translateYanimation.From = translateYInfo[i];
translateYanimation.To = 0;
translateYanimation.Duration = endKeyTime;
Storyboard.SetTarget(translateYanimation, transfrom);
Storyboard.SetTargetProperty(translateYanimation, "TranslateY");
sb.Children.Add(translateYanimation);
}
sb.Begin();
};
}
}
/// <summary>
/// Applies the target properties.
/// </summary>
/// <param name="target">The target.</param>
/// <param name="animation">The animation.</param>
protected override void ApplyTargetProperties(DependencyObject target, Storyboard animation)
{
var fe = (FrameworkElement)target;
var projection = fe.Projection as PlaneProjection;
if (projection == null)
{
fe.Projection = projection = new PlaneProjection();
}
var transform = fe.RenderTransform as TranslateTransform;
if (transform == null)
{
fe.RenderTransform = transform = new TranslateTransform();
}
if (this.Direction == DirectionOfMotion.TopToBottom || this.Direction == DirectionOfMotion.BottomToTop)
{
if (this.AxisOfFlip == AxisOfFlip.LeftOrTop)
{
projection.CenterOfRotationY = 0;
projection.GlobalOffsetY = fe.ActualHeight / 2;
transform.Y = -fe.ActualHeight / 2;
}
else if (this.AxisOfFlip == AxisOfFlip.RightOrBottom)
{
projection.CenterOfRotationY = 1.0;
projection.GlobalOffsetY = -fe.ActualHeight / 2;
transform.Y = fe.ActualHeight / 2;
}
else
{
projection.CenterOfRotationY = 0.5;
}
}
else
{
if (this.AxisOfFlip == AxisOfFlip.LeftOrTop)
{
projection.CenterOfRotationX = 0;
projection.GlobalOffsetX = fe.ActualWidth / 2;
transform.X = -fe.ActualWidth / 2;
}
else if (this.AxisOfFlip == AxisOfFlip.RightOrBottom)
{
projection.CenterOfRotationX = 1.0;
projection.GlobalOffsetX = -fe.ActualWidth / 2;
transform.X = fe.ActualWidth / 2;
}
else
{
projection.CenterOfRotationX = 0.5;
}
}
var flipAnimation = (DoubleAnimation)animation.Children[0];
Storyboard.SetTarget(flipAnimation, projection);
Storyboard.SetTargetProperty(flipAnimation,
Direction == DirectionOfMotion.TopToBottom || Direction == DirectionOfMotion.BottomToTop ?
"RotationX" :
"RotationY");
var visibilityAnimation = (ObjectAnimationUsingKeyFrames)animation.Children[1];
Storyboard.SetTarget(visibilityAnimation, fe);
Storyboard.SetTargetProperty(visibilityAnimation, "Visibility");
if (this.AxisOfFlip == AxisOfFlip.Center)
{
const double TopAngleFull = -180;
const double BottomAngleFull = 180;
const double LeftAngleFull = 180;
const double RightAngleFull = -180;
if (this.Mode == AnimationMode.ForwardOut || this.Mode == AnimationMode.BackwardOut)
{
switch (this.Direction)
{
case DirectionOfMotion.TopToBottom:
flipAnimation.From = 0;
flipAnimation.To = BottomAngleFull;
break;
case DirectionOfMotion.BottomToTop:
flipAnimation.From = 0;
flipAnimation.To = TopAngleFull;
break;
case DirectionOfMotion.LeftToRight:
flipAnimation.From = 0;
flipAnimation.To = RightAngleFull;
break;
case DirectionOfMotion.RightToLeft:
flipAnimation.From = 0;
flipAnimation.To = LeftAngleFull;
break;
}
}
else //if (this.Mode == AnimationMode.In)
{
switch (this.Direction)
{
case DirectionOfMotion.TopToBottom:
flipAnimation.From = -TopAngleFull;
flipAnimation.To = 0;
break;
case DirectionOfMotion.BottomToTop:
flipAnimation.From = BottomAngleFull;
flipAnimation.To = 0;
break;
case DirectionOfMotion.LeftToRight:
flipAnimation.From = LeftAngleFull;
flipAnimation.To = 0;
break;
case DirectionOfMotion.RightToLeft:
flipAnimation.From = RightAngleFull;
flipAnimation.To = 0;
break;
}
}
}
else
{
const double TopAngle = -90;
const double BottomAngle = 90;
const double LeftAngle = 90;
const double RightAngle = -90;
switch (this.Mode)
{
case AnimationMode.ForwardIn:
case AnimationMode.BackwardOut:
flipAnimation.From = 0;
flipAnimation.To = 0;
break;
case AnimationMode.BackwardIn:
switch (this.Direction)
{
case DirectionOfMotion.TopToBottom:
case DirectionOfMotion.BottomToTop:
flipAnimation.From = this.AxisOfFlip == AxisOfFlip.LeftOrTop ? TopAngle : BottomAngle;
flipAnimation.To = 0;
break;
case DirectionOfMotion.LeftToRight:
case DirectionOfMotion.RightToLeft:
flipAnimation.From = this.AxisOfFlip == AxisOfFlip.LeftOrTop ? LeftAngle : RightAngle;
flipAnimation.To = 0;
break;
}
break;
case AnimationMode.ForwardOut:
switch (this.Direction)
{
case DirectionOfMotion.TopToBottom:
case DirectionOfMotion.BottomToTop:
flipAnimation.From = 0;
flipAnimation.To = this.AxisOfFlip == AxisOfFlip.LeftOrTop ? TopAngle : BottomAngle;
break;
case DirectionOfMotion.LeftToRight:
case DirectionOfMotion.RightToLeft:
flipAnimation.From = 0;
flipAnimation.To = this.AxisOfFlip == AxisOfFlip.LeftOrTop ? LeftAngle : RightAngle;
break;
}
break;
}
}
// NOTE: removing the projection animation by uncommenting the line below prevents the bug in WinRT where tapping a button in the transformed visual tree causes an A/V on null pointer in the Jupiter library
//animation.Children.Remove(flipAnimation);
}
private void ClosePopup(Popup popupPanel, PlaneProjection panelCarrot)
{
panelCarrot.RotationZ = 270;
rectBackgroundHide.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
popupPanel.IsOpen = false;
}
public static void ClearAnimationProperties(FrameworkElement element)
{
var planeProjection = element.Projection as PlaneProjection;
if (planeProjection == null)
element.Projection = planeProjection = new PlaneProjection();
var transform = element.RenderTransform as CompositeTransform;
if (transform == null)
element.RenderTransform = transform = new CompositeTransform { CenterX = 0.5, CenterY = 0.5 };
element.RenderTransformOrigin = new Point(0.5, 0.5);
element.Opacity = 1;
transform.Rotation = 0;
transform.TranslateX = 0;
transform.TranslateY = 0;
transform.ScaleX = 1;
transform.ScaleY = 1;
planeProjection.RotationX = 0;
planeProjection.RotationY = 0;
planeProjection.RotationZ = 0;
planeProjection.GlobalOffsetX = 0;
planeProjection.GlobalOffsetY = 0;
planeProjection.GlobalOffsetZ = 0;
planeProjection.CenterOfRotationX = 0;
planeProjection.CenterOfRotationY = 0;
planeProjection.CenterOfRotationZ = 0;
}
/// <summary>
/// Begins the cascading transition asynchronously (waits for it to complete).
/// </summary>
/// <returns></returns>
public async Task BeginCascadingTransitionAsync()
{
var transparentBrush =
new SolidColorBrush(Colors.Transparent);
LayoutRoot.Children.Clear();
var totalDelay = TimeSpan.FromSeconds(0);
var cascadeStoryboard = new Storyboard();
var previousCharacterRect = new Rect(-100000,0,0,0);
for (int i = 0; i < Text.Length; )
{
int j = 1;
while (
i + j < Text.Length &&
Text[i + j] == ' ')
{
j++;
}
var tt = new TranslateTransform();
if (CascadeIn)
{
tt.Y = FromVerticalOffset;
}
TextBlock tb = CreateTextBlock(tt);
if (i > 0)
{
tb.Inlines.Add(
new Run
{
Text = Text.Substring(0, i),
Foreground = transparentBrush
});
}
var singleLetterRun = new Run { Text = Text.Substring(i, j) };
tb.Inlines.Add(singleLetterRun);
//.GetPositionAtOffset(1, LogicalDirection.Backward)
if (i + j < Text.Length)
{
tb.Inlines.Add(
new Run
{
Text = Text.Substring(i + j),
Foreground = transparentBrush
});
}
LayoutRoot.Children.Add(tb);
DoubleAnimationUsingKeyFrames opacityAnimation = null;
if (UseFade)
{
opacityAnimation = new DoubleAnimationUsingKeyFrames();
if (CascadeIn)
tb.Opacity = 0;
Storyboard.SetTarget(opacityAnimation, tb);
Storyboard.SetTargetProperty(opacityAnimation, "UIElement.Opacity");
cascadeStoryboard.Children.Add(opacityAnimation);
}
DoubleAnimationUsingKeyFrames yAnimation = null;
if (CascadeIn || CascadeOut)
{
yAnimation = new DoubleAnimationUsingKeyFrames();
Storyboard.SetTarget(yAnimation, tt);
Storyboard.SetTargetProperty(yAnimation, "TranslateTransform.Y");
cascadeStoryboard.Children.Add(yAnimation);
}
DoubleAnimationUsingKeyFrames rotationAnimation = null;
PlaneProjection planeProjection = null;
if (UseRotation)
{
await tb.WaitForNonZeroSizeAsync();
//await Task.Delay(100);
var aw = tb.ActualWidth;
var ah = tb.ActualHeight;
var characterRect = tb.GetCharacterRect(i);
tb.Projection = planeProjection = new PlaneProjection();
planeProjection.CenterOfRotationX = (characterRect.X + (characterRect.Width / 2)) / aw;
if (CascadeIn)
planeProjection.RotationY = FromRotation;
//var pointer = tb.ContentStart.GetPositionAtOffset(offset, LogicalDirection.Forward);
//var rect = pointer.GetCharacterRect(LogicalDirection.Forward);
//while (
// rect == previousCharacterRect ||
// rect.X - previousCharacterRect.X < 4)
//{
// offset++;
// if (offset > tb.ContentEnd.Offset)
// break;
// pointer = tb.ContentStart.GetPositionAtOffset(offset, LogicalDirection.Forward);
// rect = pointer.GetCharacterRect(LogicalDirection.Forward);
//}
//previousCharacterRect = rect;
//var x = rect.X;
//var y = rect.Y;
//var w = rect.Width;
//var h = rect.Height;
//tb.Projection = planeProjection = new PlaneProjection();
//planeProjection.CenterOfRotationX = (x + (w / 2)) / aw;
//planeProjection.RotationY = FromRotation;
//if (!headerPrinted)
//{
// Debug.WriteLine("ActualWidth: {0}", aw);
// Debug.WriteLine("ActualHeight: {0}\r\n", ah);
// Debug.WriteLine("po\ti\tj\tx\ty\tw\th\tpx");
// headerPrinted = true;
//}
//Debug.WriteLine(
// "{0:F0}\t{1:F0}\t{2:F0}\t{3:F0}\t{4:F0}\t{5:F0}\t{6:F0}\t{7:F3}",
// pointer.Offset, i, j, x, y, w, h, planeProjection.CenterOfRotationX);
rotationAnimation = new DoubleAnimationUsingKeyFrames();
Storyboard.SetTarget(rotationAnimation, planeProjection);
Storyboard.SetTargetProperty(rotationAnimation, "PlaneProjection.RotationY");
cascadeStoryboard.Children.Add(rotationAnimation);
if (CascadeIn)
{
rotationAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = totalDelay,
Value = FromRotation
});
rotationAnimation.KeyFrames.Add(
new EasingDoubleKeyFrame
{
KeyTime = totalDelay + CascadeInDuration,
EasingFunction = CascadeInEasingFunction,
Value = 0
});
}
if (CascadeOut)
{
rotationAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = totalDelay + (CascadeIn ? CascadeInDuration : TimeSpan.Zero) + HoldDuration,
Value = 0
});
rotationAnimation.KeyFrames.Add(
new EasingDoubleKeyFrame
{
KeyTime = totalDelay + (CascadeIn ? CascadeInDuration : TimeSpan.Zero) + HoldDuration + CascadeOutDuration,
EasingFunction = CascadeOutEasingFunction,
Value = ToRotation
});
}
}
if (CascadeIn)
{
yAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = totalDelay,
Value = FromVerticalOffset
});
yAnimation.KeyFrames.Add(
new EasingDoubleKeyFrame
{
KeyTime = totalDelay + CascadeInDuration,
EasingFunction = CascadeInEasingFunction,
Value = 0
});
if (UseFade)
{
opacityAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = totalDelay,
Value = 0
});
opacityAnimation.KeyFrames.Add(
new EasingDoubleKeyFrame
{
KeyTime = totalDelay + CascadeInDuration,
EasingFunction = FadeInEasingFunction,
Value = 1.0
});
}
}
if (CascadeOut)
{
yAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = totalDelay + (CascadeIn ? CascadeInDuration : TimeSpan.Zero) + HoldDuration,
Value = 0
});
yAnimation.KeyFrames.Add(
new EasingDoubleKeyFrame
{
KeyTime = totalDelay + (CascadeIn ? CascadeInDuration : TimeSpan.Zero) + HoldDuration + CascadeOutDuration,
EasingFunction = CascadeOutEasingFunction,
Value = ToVerticalOffset
});
if (UseFade)
{
opacityAnimation.KeyFrames.Add(
new DiscreteDoubleKeyFrame
{
KeyTime = totalDelay + (CascadeIn ? CascadeInDuration : TimeSpan.Zero) + HoldDuration,
Value = 1.00
});
opacityAnimation.KeyFrames.Add(
new EasingDoubleKeyFrame
{
KeyTime = totalDelay + (CascadeIn ? CascadeInDuration : TimeSpan.Zero) + HoldDuration + CascadeOutDuration,
EasingFunction = FadeOutEasingFunction,
Value = 0.0
});
}
}
totalDelay += CascadeInterval;
i += j;
}
EventHandler<object> eh = null;
eh = (s, e) =>
{
cascadeStoryboard.Completed -= eh;
//LayoutRoot.Children.Clear();
//var tb2 = CreateTextBlock(null);
//tb2.Text = Text;
//LayoutRoot.Children.Add(tb2);
#if CascadingTextBlock_REPEATFOREVER
BeginCascadingTransition();
#else
if (CascadeCompleted != null)
CascadeCompleted(this, EventArgs.Empty);
#endif
};
cascadeStoryboard.Completed += eh;
await Task.Delay(StartDelay);
await cascadeStoryboard.BeginAsync();
}
private Projection CreateRotateYProjection(double degrees)
{
Debug.Assert(midPoint != 0);
if (midPoint == 0)
{
midPoint = 1;
}
PlaneProjection pp = new PlaneProjection()
{
RotationY = degrees,
LocalOffsetX = midPoint,
CenterOfRotationX = radius / midPoint,
CenterOfRotationY = 0,
CenterOfRotationZ = -radius
};
return pp;
}