/// <summary>
/// Searches all layers of Animator of this GameObject does any of them at a specified state name?
/// Specify layerIndex to look in only one layer.
/// If you just issue a SetTrigger to change state for example, one frame is required to make it take effect.
/// </summary>
public static bool AnimatorAtState(this Component go, string stateName, int layerIndex = -1)
{
Animator ani = go.GetComponent <Animator>();
return(ani.AtState(stateName, layerIndex));
}