//动画
public static void DoMove(Animatable uie, DependencyProperty dp, double to, double ar, double dr, double duration)
{
var doubleAnimation = new DoubleAnimation
{
To = to,
Duration = TimeSpan.FromSeconds(duration),
AccelerationRatio = ar,
DecelerationRatio = dr,
FillBehavior = FillBehavior.HoldEnd
};//创建双精度动画对象
uie.BeginAnimation(dp, doubleAnimation);//设置动画应用的属性并启动动画
}
/// <summary>
/// The animate opacity.
/// </summary>
/// <param name="obj">
/// The obj.
/// </param>
/// <param name="toOpacity">
/// The to opacity.
/// </param>
/// <param name="animationTime">
/// The animation time.
/// </param>
private void AnimateOpacity(Animatable obj, double toOpacity, double animationTime)
{
var animation = new DoubleAnimation(toOpacity, new Duration(TimeSpan.FromMilliseconds(animationTime)))
{
AccelerationRatio = 0.3,
DecelerationRatio = 0.5
};
animation.Completed += this.AnimationCompleted;
obj.BeginAnimation(UIElement.OpacityProperty, animation);
}
static void Animate(Animatable element, DependencyProperty property, double to)
{
element.BeginAnimation(property, new DoubleAnimation(to, new Duration(animationTime), FillBehavior.HoldEnd),
HandoffBehavior.SnapshotAndReplace);
}
/*private void face_MouseLeave(object sender, MouseEventArgs e)
{
var el = (ModelUIElement3D) sender;
var model = el.Model as GeometryModel3D;
var mg = model.Material as MaterialGroup;
var dm = mg.Children[0] as DiffuseMaterial;
AnimateOpacity(dm.Brush, 0.8, 200);
}
private void face_MouseEnter(object sender, MouseEventArgs e)
{
var el = (ModelUIElement3D) sender;
var model = el.Model as GeometryModel3D;
var mg=model.Material as MaterialGroup;
var dm=mg.Children[0] as DiffuseMaterial;
AnimateOpacity(dm.Brush, 1.0, 200);
}*/
private void AnimateOpacity(Animatable obj, double toOpacity, double animationTime)
{
var a = new DoubleAnimation(toOpacity,
new Duration(TimeSpan.FromMilliseconds(animationTime))) { AccelerationRatio = 0.3, DecelerationRatio = 0.5 };
a.Completed += new EventHandler(a_Completed);
obj.BeginAnimation(UIElement.OpacityProperty, a);
}