AnimationElement GetAnimationElement(int listIndex)
{
AnimationElement element;
if (!animationElements.TryGetValue(listIndex, out element))
{
element = new AnimationElement();
animationElements[listIndex] = element;
}
return(element);
}
void StartAnimation(Racer racer, Color color)
{
AnimationElement element = GetAnimationElement(racer);
DoubleAnimation speedAnimation = new DoubleAnimation()
{
To = racer.Speed,
AccelerationRatio = 0.5,
DecelerationRatio = 0.5,
Duration = new Duration(TimeSpan.FromSeconds(5))
};
ColorAnimation colorAnimation = new ColorAnimation()
{
From = color,
To = Colors.Transparent,
Duration = new Duration(TimeSpan.FromSeconds(5))
};
element.BeginAnimation(AnimationElement.CurrentSpeedProperty, speedAnimation);
element.BeginAnimation(AnimationElement.SpeedColorProperty, colorAnimation);
}
