private CAAnimation AppearAnimation(nfloat duration, ISpotlightType spotlightp)
{
var beginPath = MaskPath(spotlightp.InfinitesmalPath);
var endPath = MaskPath(spotlightp.Path);
return(PathAnimation(duration, beginPath, endPath));
}
public void MoveDisappear(ISpotlightType toSpotlight, nfloat duration)
{
CATransaction.Begin();
CATransaction.CompletionBlock = () =>
{
Appear(toSpotlight, duration: duration);
Spotlight = toSpotlight;
};
Disappear(duration);
CATransaction.Commit();
}
public void Move(ISpotlightType toSpotlight, nfloat duration, SpotlightMoveType moveType = SpotlightMoveType.Direct)
{
switch (moveType)
{
case SpotlightMoveType.Direct:
MoveDirect(toSpotlight, duration: duration);
break;
case SpotlightMoveType.Disappear:
MoveDisappear(toSpotlight, duration: duration);
break;
default:
throw new ArgumentOutOfRangeException(nameof(moveType), moveType, null);
}
}
public void MoveDirect(ISpotlightType toSpotlight, nfloat duration)
{
_maskLayer.AddAnimation(MoveAnimation(duration, toSpotlight: toSpotlight), null);
Spotlight = toSpotlight;
}
public void Appear(ISpotlightType spotlightp, nfloat duration)
{
_maskLayer.AddAnimation(AppearAnimation(duration, spotlightp), null);
Spotlight = spotlightp;
}
private CAAnimation MoveAnimation(nfloat duration, ISpotlightType toSpotlight)
{
var endPath = MaskPath(toSpotlight.Path);
return(PathAnimation(duration, beginPath: null, endPath: endPath));
}
public static CGPoint Center(this ISpotlightType spot)
{
return(new CGPoint(x: spot.Frame.GetMidX(), y: spot.Frame.GetMidY()));
}
public static UIBezierPath InfinitesmalPath(this ISpotlightType spot)
{
return(UIBezierPath.FromRoundedRect(new CGRect(spot.Center, CGSize.Empty), cornerRadius: 0));
}
