private static KeyframeBlock ParseKeyframeBlock(XElement root, string name)
{
var result = new KeyframeBlock();
var isScale = name.StartsWith("Scale", true, CultureInfo.InvariantCulture);
var element = root.ElementCaseInsensitive(name);
if (element != null)
{
var isRotate = name.StartsWith("Rotate", true, CultureInfo.InvariantCulture);
result.DefaultValue = element.GetAttributeValueWithDefault <float>("Value", isScale ? 1 : 0);
result.Keyframes = element.ElementsCaseInsensitive("Keyframe")
.Select(e => new Keyframe(e.GetAttributeValueWithDefault <float>("Time"),
isRotate ? (float)
(e.GetAttributeValueWithDefault <double>("Value", isScale ? 1 : 0) * Math.PI / 180)
: e.GetAttributeValueWithDefault <float>("Value", isScale ? 1 : 0),
isRotate ? (float)
(e.GetAttributeValueWithDefault <double>("Velocity") * Math.PI / 180)
: e.GetAttributeValueWithDefault <float>("Velocity"))).ToArray();
}
else if (isScale)
{
result.DefaultValue = 1;
}
return(result);
}
private static TwoTribesAnimation GetAnimation(RepeatBehavior repeatBehavior, float duration,
KeyframeBlock block, double k = 1)
{
//var animation = new DoubleAnimationUsingKeyFrames
// { RepeatBehavior = repeatBehavior, Duration = new Duration(TimeSpan.FromSeconds(duration / 30.0)) };
//animation.KeyFrames.Add(new DiscreteDoubleKeyFrame(block.DefaultValue * k, TimeSpan.Zero));
//foreach (var keyframe in block.Keyframes) animation.KeyFrames.Add(
// new LinearDoubleKeyFrame(keyframe.Value * k, TimeSpan.FromSeconds(keyframe.Time / 30.0)));
//return animation;
return(new TwoTribesAnimation(block, k)
{
RepeatBehavior = repeatBehavior, Duration = new Duration(TimeSpan.FromSeconds(duration / 30D))
});
}
private static XElement GetKeyframeBlockElement(KeyframeBlock keyframeBlock, string name)
{
var result = new XElement(name);
bool isScale = name.StartsWith("Scale", StringComparison.Ordinal),
isRotate = name.StartsWith("Rotate", StringComparison.Ordinal);
result.SetAttributeValueWithDefault("Value", keyframeBlock.DefaultValue, isScale ? 1 : 0);
foreach (var keyframe in keyframeBlock.Keyframes)
{
var element = new XElement("Keyframe");
element.SetAttributeValueWithDefault("Time", keyframe.Time);
element.SetAttributeValueWithDefault("Value",
isRotate ? keyframe.Value * 180 / Math.PI : keyframe.Value, isScale ? 1 : 0);
element.SetAttributeValueWithDefault("Velocity",
isRotate ? keyframe.Velocity * 180 / Math.PI : keyframe.Velocity);
result.Add(element);
}
return(result);
}
public TwoTribesAnimation(KeyframeBlock block, double k = 1)
{
Block = block;
K = k;
}