public override Vector2?GetValue(IKeyframe <Vector2?> keyframe, float keyframeProgress)
{
var pathKeyframe = (PathKeyframe)keyframe;
var path = pathKeyframe.Path;
if (path == null || path.Contours.Count == 0)
{
return(keyframe.StartValue);
}
if (_pathMeasureKeyframe != pathKeyframe)
{
_pathMeasure = new PathMeasure(path);
_pathMeasureKeyframe = pathKeyframe;
}
return(_pathMeasure.GetPosTan(keyframeProgress * _pathMeasure.Length));
}
public override PointF GetValue(IKeyframe <PointF> keyframe, float keyframeProgress)
{
var pathKeyframe = (PathKeyframe)keyframe;
var path = pathKeyframe.Path;
if (path == null || path.Contours.Count == 0)
{
return(keyframe.StartValue);
}
if (_pathMeasureKeyframe != pathKeyframe)
{
_pathMeasure = new PathMeasure(path);
_pathMeasureKeyframe = pathKeyframe;
}
_pathMeasure.GetPosTan(keyframeProgress * _pathMeasure.Length, ref _pos);
_point.Set(_pos[0], _pos[1]);
return(_point);
}