private static DoubleAnimationUsingKeyFrames CreateRotationAnimation(RotationData rd)
{
var animation = new DoubleAnimationUsingKeyFrames();
animation.BeginTime = new TimeSpan(0);
//animation.KeyFrames.Add(new EasingDoubleKeyFrame { KeyTime = new TimeSpan(0), Value = rd.FromDegrees, EasingFunction = new CircleEase() { EasingMode = EasingMode.EaseIn } });
//animation.KeyFrames.Add(new EasingDoubleKeyFrame { KeyTime = new TimeSpan(rd.AnimationDuration.TimeSpan.Ticks / 2), Value = rd.MidDegrees });
//animation.KeyFrames.Add(new EasingDoubleKeyFrame { KeyTime = new TimeSpan(rd.AnimationDuration.TimeSpan.Ticks), Value = rd.ToDegrees, EasingFunction = new CircleEase() { EasingMode = EasingMode.EaseOut } });
animation.KeyFrames.Add(new EasingDoubleKeyFrame {
KeyTime = new TimeSpan(0), Value = rd.FromDegrees, EasingFunction = new CubicEase()
{
EasingMode = EasingMode.EaseIn
}
});
animation.KeyFrames.Add(new EasingDoubleKeyFrame {
KeyTime = new TimeSpan(rd.AnimationDuration.TimeSpan.Ticks / 2), Value = rd.MidDegrees
});
animation.KeyFrames.Add(new EasingDoubleKeyFrame {
KeyTime = new TimeSpan(rd.AnimationDuration.TimeSpan.Ticks), Value = rd.ToDegrees, EasingFunction = new CubicEase()
{
EasingMode = EasingMode.EaseOut
}
});
Storyboard.SetTargetProperty(animation, new PropertyPath(rd.RotationProperty));
Storyboard.SetTarget(animation, rd.PlaneProjection);
return(animation);
}
protected override void Invoke(object parameter)
{
if (AssociatedObject == null)
{
return;
}
FrameworkElement parent = AssociatedObject; // as FrameworkElement;
UIElement front = null;
UIElement back = null;
front = parent.FindName(FrontElementName) as UIElement;
back = parent.FindName(BackElementName) as UIElement;
if (front == null || back == null)
{
return;
}
if (front.Projection == null || back.Projection == null)
{
front.Projection = new PlaneProjection();
front.RenderTransformOrigin = new Point(.5, .5);
front.Visibility = Visibility.Visible;
back.Projection = new PlaneProjection {
CenterOfRotationY = .5, RotationY = 180.0
}; //, CenterOfRotationZ = this.CenterOfRotationZ };
back.RenderTransformOrigin = new Point(.5, .5);
back.Visibility = Visibility.Collapsed;
RotationData showBackRotation = null;
RotationData hideFrontRotation = null;
RotationData showFrontRotation = null;
RotationData hideBackRotation = null;
var frontPP = new PlaneProjection(); // { CenterOfRotationZ = this.CenterOfRotationZ };
var backPP = new PlaneProjection(); // { CenterOfRotationZ = this.CenterOfRotationZ };
switch (Rotation)
{
case RotationDirection.LeftToRight:
backPP.CenterOfRotationY = frontPP.CenterOfRotationY = 0.5;
showBackRotation = new RotationData {
FromDegrees = 180.0, MidDegrees = 90.0, ToDegrees = 0.0, RotationProperty = "RotationY", PlaneProjection = backPP, AnimationDuration = this.Duration
};
hideFrontRotation = new RotationData {
FromDegrees = 0.0, MidDegrees = -90.0, ToDegrees = -180.0, RotationProperty = "RotationY", PlaneProjection = frontPP, AnimationDuration = this.Duration
};
showFrontRotation = new RotationData {
FromDegrees = -180.0, MidDegrees = -90.0, ToDegrees = 0.0, RotationProperty = "RotationY", PlaneProjection = frontPP, AnimationDuration = this.Duration
};
hideBackRotation = new RotationData {
FromDegrees = 0.0, MidDegrees = 90.0, ToDegrees = 180.0, RotationProperty = "RotationY", PlaneProjection = backPP, AnimationDuration = this.Duration
};
break;
case RotationDirection.RightToLeft:
backPP.CenterOfRotationY = frontPP.CenterOfRotationY = 0.5;
showBackRotation = new RotationData {
FromDegrees = -180.0, MidDegrees = -90.0, ToDegrees = 0.0, RotationProperty = "RotationY", PlaneProjection = backPP, AnimationDuration = this.Duration
};
hideFrontRotation = new RotationData {
FromDegrees = 0.0, MidDegrees = 90.0, ToDegrees = 180.0, RotationProperty = "RotationY", PlaneProjection = frontPP, AnimationDuration = this.Duration
};
showFrontRotation = new RotationData {
FromDegrees = 180.0, MidDegrees = 90.0, ToDegrees = 0.0, RotationProperty = "RotationY", PlaneProjection = frontPP, AnimationDuration = this.Duration
};
hideBackRotation = new RotationData {
FromDegrees = 0.0, MidDegrees = -90.0, ToDegrees = -180.0, RotationProperty = "RotationY", PlaneProjection = backPP, AnimationDuration = this.Duration
};
break;
case RotationDirection.BottomToTop:
backPP.CenterOfRotationX = frontPP.CenterOfRotationX = 0.5;
showBackRotation = new RotationData {
FromDegrees = 180.0, MidDegrees = 90.0, ToDegrees = 0.0, RotationProperty = "RotationX", PlaneProjection = backPP, AnimationDuration = this.Duration
};
hideFrontRotation = new RotationData {
FromDegrees = 0.0, MidDegrees = -90.0, ToDegrees = -180.0, RotationProperty = "RotationX", PlaneProjection = frontPP, AnimationDuration = this.Duration
};
showFrontRotation = new RotationData {
FromDegrees = -180.0, MidDegrees = -90.0, ToDegrees = 0.0, RotationProperty = "RotationX", PlaneProjection = frontPP, AnimationDuration = this.Duration
};
hideBackRotation = new RotationData {
FromDegrees = 0.0, MidDegrees = 90.0, ToDegrees = 180.0, RotationProperty = "RotationX", PlaneProjection = backPP, AnimationDuration = this.Duration
};
break;
case RotationDirection.TopToBottom:
backPP.CenterOfRotationX = frontPP.CenterOfRotationX = 0.5;
showBackRotation = new RotationData {
FromDegrees = -180.0, MidDegrees = -90.0, ToDegrees = 0.0, RotationProperty = "RotationX", PlaneProjection = backPP, AnimationDuration = this.Duration
};
hideFrontRotation = new RotationData {
FromDegrees = 0.0, MidDegrees = 90.0, ToDegrees = 180.0, RotationProperty = "RotationX", PlaneProjection = frontPP, AnimationDuration = this.Duration
};
showFrontRotation = new RotationData {
FromDegrees = 180.0, MidDegrees = 90.0, ToDegrees = 0.0, RotationProperty = "RotationX", PlaneProjection = frontPP, AnimationDuration = this.Duration
};
hideBackRotation = new RotationData {
FromDegrees = 0.0, MidDegrees = -90.0, ToDegrees = -180.0, RotationProperty = "RotationX", PlaneProjection = backPP, AnimationDuration = this.Duration
};
break;
}
front.RenderTransformOrigin = new Point(.5, .5);
back.RenderTransformOrigin = new Point(.5, .5);
front.Projection = frontPP;
back.Projection = backPP;
frontToBackStoryboard.Duration = this.Duration;
backToFrontStoryboard.Duration = this.Duration;
// Rotation
frontToBackStoryboard.Children.Add(CreateRotationAnimation(showBackRotation));
frontToBackStoryboard.Children.Add(CreateRotationAnimation(hideFrontRotation));
backToFrontStoryboard.Children.Add(CreateRotationAnimation(hideBackRotation));
backToFrontStoryboard.Children.Add(CreateRotationAnimation(showFrontRotation));
// Visibility
frontToBackStoryboard.Children.Add(CreateVisibilityAnimation(showBackRotation.AnimationDuration, front, false));
frontToBackStoryboard.Children.Add(CreateVisibilityAnimation(hideFrontRotation.AnimationDuration, back, true));
backToFrontStoryboard.Children.Add(CreateVisibilityAnimation(hideBackRotation.AnimationDuration, front, true));
backToFrontStoryboard.Children.Add(CreateVisibilityAnimation(showFrontRotation.AnimationDuration, back, false));
}
if (forward)
{
frontToBackStoryboard.Begin();
forward = false;
}
else
{
backToFrontStoryboard.Begin();
forward = true;
}
}
