xamarin.ios - UIView的动画过渡，路径点之间的延迟

Question

我制作了由 3 条曲线组成的动画路径。执行动画时效果很好，但每个曲线运动之间有 1 秒（大约）的延迟。我怎样才能避免这种延迟？

这是我添加子路径的方式：

path.AddCurveToPoint (
    new PointF (x, y), 
    new PointF (x - xControl, new_y - (new_y - y)/2.0f),
    new PointF (x, new_y));
path.AddCurveToPoint (
    new PointF (x, y), 
    new PointF (x -xControl, new_y + (new_y - y)/2.0f),
    new PointF (x, new_y));
path.AddCurveToPoint (
    new PointF (x, y), 
    new PointF (x + xControl, new_y - (new_y - y)/2.0f),
    new PointF (x, new_y));