/// <summary>
 /// All current touches will raycast.
 /// RaycastHit is stored in <TouchInstance.objectTouched>
 /// </summary>
 /// <returns>TouchInstance[]</returns>
 /// <param name="touches">Input.touches.GetRayHit3D()</param>
 /// <param name="layersToIgnore">comma separated (or integer array) layer #'s to ignore</param>
 public static TouchInstance[] CheckRayHit2D(this Touch[] touches, params int[] layersToIgnore)
 {
     return(TouchHandler.GetRayHit2D(layersToIgnore));
 }