internal Storyboard CreateStoryboard(BubbleTaskGroup taskGroup)
{
if (taskGroup.Count() == 0)
{
return(null);
}
int millisecondsPerUnit;
Func <ContentPresenter, double> getTo;
DependencyProperty animatedProperty;
IEnumerable <BubbleViewModel> bubbles;
this.GetStoryboardCreationData(
taskGroup,
out millisecondsPerUnit,
out getTo,
out animatedProperty,
out bubbles);
var storyboard = new Storyboard();
var targetProperty = new PropertyPath(animatedProperty);
var beginTime = TimeSpan.FromMilliseconds(0);
var beginTimeIncrement = TimeSpan.FromMilliseconds(millisecondsPerUnit / bubbles.Count());
foreach (ContentPresenter presenter in this.GetBubblePresenters(bubbles))
{
var bubble = presenter.DataContext as BubbleViewModel;
var anim = new EasingDoubleAnimation
{
BeginTime = beginTime,
Duration = CalculateDuration(taskGroup, bubble, millisecondsPerUnit),
Equation = EasingEquation.CubicEaseIn,
To = getTo(presenter),
};
Storyboard.SetTarget(anim, presenter);
Storyboard.SetTargetProperty(anim, targetProperty);
if (IsTaskStaggered(taskGroup.TaskType))
{
beginTime = beginTime.Add(beginTimeIncrement);
}
storyboard.Children.Add(anim);
}
return(storyboard);
}
Storyboard CreateStoryboard(
BubblesTask task,
int millisecondsPerUnit,
Func <ContentPresenter, double> getTo,
DependencyProperty animatedProperty,
BubbleViewModel[] bubbles)
{
if (!bubbles.Any())
{
return(null);
}
var storyboard = new Storyboard();
var targetProperty = new PropertyPath(animatedProperty);
var beginTime = TimeSpan.FromMilliseconds(0);
var beginTimeIncrement = TimeSpan.FromMilliseconds(millisecondsPerUnit / bubbles.Count());
foreach (ContentPresenter presenter in this.GetBubblePresenters(bubbles))
{
var bubble = presenter.DataContext as BubbleViewModel;
var duration = CalculateDuration(task.TaskType, bubble, millisecondsPerUnit);
var to = getTo(presenter);
var anim = new EasingDoubleAnimation
{
BeginTime = beginTime,
Duration = duration,
Equation = EasingEquation.CubicEaseIn,
To = to,
};
Storyboard.SetTarget(anim, presenter);
Storyboard.SetTargetProperty(anim, targetProperty);
if (IsTaskStaggered(task.TaskType))
{
beginTime = beginTime.Add(beginTimeIncrement);
}
storyboard.Children.Add(anim);
}
return(storyboard);
}
void PrepareForRotation(out DoubleAnimation frontAnimation, out DoubleAnimation backAnimation)
{
Vector3D axis;
double delta;
switch (this.RotationDirection)
{
case RotationDirection.LeftToRight:
axis = new Vector3D(0, +1, 0);
delta = +180;
break;
case RotationDirection.RightToLeft:
axis = new Vector3D(0, +1, 0);
delta = -180;
break;
case RotationDirection.TopToBottom:
axis = new Vector3D(+1, 0, 0);
delta = +180;
break;
case RotationDirection.BottomToTop:
axis = new Vector3D(+1, 0, 0);
delta = -180;
break;
case RotationDirection.TopLeftToBottomRight:
axis = new Vector3D(+1, +1, 0);
delta = +180;
break;
case RotationDirection.TopRightToBottomLeft:
axis = new Vector3D(-1, +1, 0);
delta = -180;
break;
case RotationDirection.BottomLeftToTopRight:
axis = new Vector3D(-1, +1, 0);
delta = +180;
break;
case RotationDirection.BottomRightToTopLeft:
axis = new Vector3D(+1, +1, 0);
delta = -180;
break;
default:
throw new ApplicationException("Unrecognized RotationDirection value: " + this.RotationDirection);
}
_frontRotation.Axis = _backRotation.Axis = axis;
frontAnimation = new EasingDoubleAnimation
{
Duration = new Duration(TimeSpan.FromMilliseconds(this.AnimationLength)),
Equation = _easingEquation,
From = _frontRotation.Angle,
To = _frontRotation.Angle + delta
};
backAnimation = new EasingDoubleAnimation
{
Duration = new Duration(TimeSpan.FromMilliseconds(this.AnimationLength)),
Equation = _easingEquation,
From = _backRotation.Angle,
To = _backRotation.Angle + delta
};
}
