private void PlayLoseHealthAnimation(int oldHealth, int newHealth)
{
List <LoseHealthAnimation> animations = new List <LoseHealthAnimation>();
if (MaxHealth > 5)
{
LoseHealthAnimation animation = new LoseHealthAnimation();
animation.HorizontalAlignment = HorizontalAlignment.Left;
animation.VerticalAlignment = VerticalAlignment.Bottom;
AlignLoseHealthAnimation(animation, imgBloodDrop);
animations.Add(animation);
}
else if (oldHealth <= MaxHealth && newHealth <= MaxHealth)
{
oldHealth = Math.Min(oldHealth, 5);
newHealth = Math.Max(newHealth, 0);
for (int i = newHealth; i < oldHealth; i++)
{
Trace.Assert(i < 5);
LoseHealthAnimation animation = new LoseHealthAnimation();
AlignLoseHealthAnimation(animation, spSmallHealth.Children[i] as Image);
animations.Add(animation);
}
}
foreach (var animation in animations)
{
animation.Completed += animation_Completed;
canvasRoot.Children.Add(animation);
animation.Start();
}
}
private void AlignLoseHealthAnimation(LoseHealthAnimation animation, Image bloodDrop)
{
UpdateLayout();
Point leftTop = bloodDrop.TranslatePoint(new Point(0, 0), canvasRoot);
animation.Width = 50;
animation.Height = 120;
animation.SetValue(Canvas.LeftProperty, leftTop.X - 10);
animation.SetValue(Canvas.TopProperty, leftTop.Y - 100);
}
private void AlignLoseHealthAnimation(LoseHealthAnimation animation, Image bloodDrop)
{
UpdateLayout();
Point leftBottom = bloodDrop.TranslatePoint(new Point(0, bloodDrop.ActualHeight), canvasRoot);
animation.Width = 50;
animation.Height = 120;
animation.SetValue(Canvas.LeftProperty, leftBottom.X - 8);
animation.SetValue(Canvas.BottomProperty, leftBottom.Y - 18);
}