public void Begin(FrameworkElement mockItem1, Grid container, FrameworkElement newPage)
{
this.Container = container;
this.PageWidth = container.ActualWidth;
this.item1 = mockItem1;
this.item2 = newPage;
this.Container.Children.Add(this.item1);
var width = PageWidth;
var scaleFactor = 0.8;
var halfSrink = (1.0 - scaleFactor) / 2;
this.Container.Children.Add(this.mask1);
this.Container.Children.Add(this.mask2);
var scaleDownSpline = new Spline(0.504000008106232, 0.256000012159348, 0.458999991416931, 1);
var moveSpline = new Spline(0.247999995946884, 0, 1, 1);
var scaleUpSpline = new Spline(0.321000009775162, 0, 0.45100000500679, 1);
var spacing = 15.0;
this.animation = this.item1
.Animate()
.With(this.mask1)
.EnsureDefaultTransforms()
.Origin(0, 0.5)
.Scale(0, 1, 0.2, 1, 0.7, scaleFactor)
.Splines(2, scaleDownSpline)
.MoveX(0.7, 0, 1.365, (-width * (scaleFactor - halfSrink)) - spacing, 1.9, (-width * scaleFactor) - spacing)
.Splines(1, moveSpline)
.Splines(2, scaleUpSpline)
.Without(this.item1)
.Opacity(0, 0, 0.2, 0, 0.7, 1)
.Splines(1, scaleDownSpline)
.Animate(this.mask2)
.Opacity(1.35, 1, 1.9, 0)
.Splines(scaleUpSpline)
.With(this.item2)
.EnsureDefaultTransforms()
.Origin(0.5, 0.5)
.Scale(0, scaleFactor, 1.365, scaleFactor, 1.9, 1)
.Splines(1, moveSpline)
.Splines(2, scaleUpSpline)
.MoveX(0.0, ((scaleFactor + halfSrink) * width) + spacing, 0.2, ((scaleFactor + halfSrink) * width) + spacing, 0.7, ((scaleFactor - halfSrink) * width) + spacing, 1.365, 0)
.Splines(2, scaleDownSpline)
.Splines(3, moveSpline)
.Instance;
// this.animation.SpeedRatio = 755.0 / width * 1.5;
this.animation.SpeedRatio = 1.5;
this.isRunning = true;
this.animation.Completed += (sender, e) =>
{
this.TransitionAnimationCompleted(this, new TransitionEventArgs(item2));
Container.Children.Remove(mask1);
Container.Children.Remove(mask2);
RemoveVisualBrush();
Container.Children.Remove(item1);
item1 = null;
item2 = null;
};
this.animation.Begin();
}
internal static AnimationContext Splines(this AnimationContext target, int index, Spline spline)
{
return target.Splines(index, spline.Point1.X, spline.Point1.Y, spline.Point2.X, spline.Point2.Y);
}