public static async Task AnimateAsync(this ICollider rectangular, RectangularAnimationOptions options)
{
var startX = rectangular.Left();
var startY = rectangular.Top();
var startW = rectangular.Bounds.Width;
var startH = rectangular.Bounds.Height;
await Animator.AnimateAsync(new FloatAnimatorOptions()
{
Duration = options.Duration,
AutoReverse = options.AutoReverse,
AutoReverseDelay = options.AutoReverseDelay,
DelayProvider = options.DelayProvider,
Loop = options.Loop,
EasingFunction = options.EasingFunction,
From = 0,
To = 1,
IsCancelled = options.IsCancelled,
IsPaused = options.IsPaused,
OnSet = options.OnSet,
Setter = v =>
{
var dest = options.Destination();
var xDelta = dest.Left - startX;
var yDelta = dest.Top - startY;
var wDelta = dest.Width - startW;
var hDelta = dest.Height - startH;
var frameX = startX + (v *xDelta);
var frameY = startY + (v *yDelta);
var frameW = startW + (v *wDelta);
var frameH = startH + (v *hDelta);
var frameBounds = new RectF(frameX, frameY, frameW, frameH);
options.Setter(rectangular, frameBounds);
}
});
}