/**
* Animationen für das Fallen der Figur
*
* Wenn die figur unten ankommt, blinkt sie durch opacity.
* Wenn die figur durch fallcompeteley gefallen ist, dann wird ein Rechteck von der letzten Position bis unten erstellt
* dieses Rechteck verschwindet durch einen lin.gradienten mit transparenter Farbe.
*/
public void OnFigureFallen(object sender, FigureFallenEventArgs ffea)
{
Dispatcher.BeginInvoke(delegate
{
if (iv.rootContainer.Child == this)
{
hardFall = false;
Util.Point[] points = ffea.figurePoints;
List<Rectangle> rectangles = getBoardRectangles(points);
Storyboard sb = new Storyboard();
sb.Duration = TimeSpan.FromMilliseconds(400);
foreach (Rectangle rectangle in rectangles)
{
Duration duration = TimeSpan.FromMilliseconds(200);
DoubleAnimation myDoubleAnimation = new DoubleAnimation();
myDoubleAnimation.Duration = duration;
myDoubleAnimation.AutoReverse = true;
Storyboard.SetTarget(myDoubleAnimation, rectangle);
Storyboard.SetTargetProperty(myDoubleAnimation, new PropertyPath("Opacity"));
myDoubleAnimation.To = 0.5;
myDoubleAnimation.From = 1;
sb.Children.Add(myDoubleAnimation);
}
if (!ffea.PointsAreEqual())
{
sb.Duration = TimeSpan.FromMilliseconds(3000);
hardFall = true;
int maxY = getMax(points, false);
int minY = getMin(ffea.previousFigurePoints, false);
int minX = getMin(points, true);
int maxX = getMax(points, true);
Rectangle upperLeftRect = getRectangleAt(minX, minY);
Rectangle bottomRightRect = getRectangleAt(maxX, maxY);
Rectangle bottomLeftRect = getRectangleAt(minX, maxY);
Rectangle upperRightRect = getRectangleAt(maxX, minY);
System.Windows.Point upperLeftPoint = upperLeftRect.TransformToVisual(this.LayoutRoot).Transform(new System.Windows.Point(0, 0));
System.Windows.Point bottomRightPoint = bottomRightRect.TransformToVisual(this.LayoutRoot).Transform(new System.Windows.Point(0, 0));
System.Windows.Point bottomLeftPoint = bottomLeftRect.TransformToVisual(this.LayoutRoot).Transform(new System.Windows.Point(0, 0));
System.Windows.Point upperRightPoint = upperRightRect.TransformToVisual(this.LayoutRoot).Transform(new System.Windows.Point(0, 0));
double width = Math.Sqrt(Math.Pow(bottomRightPoint.X - bottomLeftPoint.X, 2) + Math.Pow(bottomRightPoint.Y - bottomLeftPoint.Y, 2)) + upperLeftRect.ActualWidth;
double height = Math.Sqrt(Math.Pow(bottomRightPoint.X - upperRightPoint.X, 2) + Math.Pow(bottomRightPoint.Y - upperRightPoint.Y, 2)) + bottomLeftRect.ActualHeight;
Rectangle effectRectangle = new Rectangle();
effectRectangle.Width = width;
effectRectangle.Height = height;
CompositeTransform ct = (CompositeTransform)boardBorder.RenderTransform;
CompositeTransform ct2 = new CompositeTransform();
ct2.Rotation = ct.Rotation;
effectRectangle.RenderTransform = ct2;
LinearGradientBrush lgb = new LinearGradientBrush();
RotateTransform rt = new RotateTransform();
rt.Angle = 0;
lgb.Transform = rt;
GradientStop gs1 = new GradientStop();
gs1.Color = Colors.Transparent;
gs1.Offset = 0.0;
GradientStop gs2 = new GradientStop();
gs2.Color = Color.FromArgb(100, ffea.color.R, ffea.color.G, ffea.color.B);
gs2.Offset = 0.0;
lgb.GradientStops.Add(gs1);
lgb.GradientStops.Add(gs2);
effectRectangle.Fill = lgb;
canvas.Children.Add(effectRectangle);
Canvas.SetLeft(effectRectangle, upperLeftPoint.X + Canvas.GetLeft(LayoutRoot));
Canvas.SetTop(effectRectangle, upperLeftPoint.Y + Canvas.GetTop(LayoutRoot));
Duration duration = TimeSpan.FromMilliseconds(3000);
DoubleAnimation myDoubleAnimation = new DoubleAnimation();
myDoubleAnimation.Duration = duration;
Storyboard.SetTarget(myDoubleAnimation, gs2);
Storyboard.SetTargetProperty(myDoubleAnimation, new PropertyPath("Offset"));
myDoubleAnimation.To = 10.0;
sb.Children.Add(myDoubleAnimation);
sb.Completed += new EventHandler((a, b) =>
{
canvas.Children.Remove(effectRectangle);
});
}
if (!LayoutRoot.Resources.Contains("unique_id"))
{
LayoutRoot.Resources.Add("unique_id", sb);
}
sb.Begin();
}
});
}