CocosSharp async extensions

CocosSharpAsyncExtensions.cs

public static class CocosExtensions
	{
		/// <summary>
		/// Runs an action so that it can be awaited.
		/// </summary>
		/// <param name="node">Node.</param>
		/// <param name="actions">Actions.</param>
		public static Task<bool> RunActionsAsync(this CCNode node, params CCFiniteTimeAction[] actions)
		{
			var tcs = new TaskCompletionSource<bool> ();
			var allActions = new List<CCFiniteTimeAction> ();
			allActions.AddRange (actions);
			allActions.Add (new CCCallFunc (() => tcs.TrySetResult (true)));
			node.RunActions (allActions.ToArray());
			return tcs.Task;
		}

		/// <summary>
		/// Scales a sprite so that it fits into a given rectangle.
		/// </summary>
		/// <returns>The applied scaling factor.</returns>
		/// <param name="sprite">Sprite.</param>
		/// <param name="rect">Rect.</param>
		public static float ScaleAspectFit(this CCSprite sprite, CCSize rect)
		{
			var scaleW = rect.Width / sprite.ContentSize.Width;
			var scaleH = rect.Height / sprite.ContentSize.Height;

			var scale = Math.Min (scaleW, scaleH);

			sprite.ScaleTo(new CCSize(sprite.ContentSize.Width * scale, sprite.ContentSize.Height * scale));

			return scale;
		}
	}