CrowdControl/Assets/Feel/MMTools/Tools/MMExtensions/MMLayermaskExtensions.cs

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using UnityEngine.UI;

namespace MoreMountains.Tools
{
	/// <summary>
	/// Layermask Extensions
	/// </summary>
	public static class LayermaskExtensions
	{
		/// <summary>
		/// Returns bool if layer is within layermask
		/// </summary>
		/// <param name="mask"></param>
		/// <param name="layer"></param>
		/// <returns></returns>
		public static bool MMContains(this LayerMask mask, int layer)
		{
			return ((mask.value & (1 << layer)) > 0);
		}

		/// <summary>
		/// Returns true if gameObject is within layermask
		/// </summary>
		/// <param name="mask"></param>
		/// <param name="gameobject"></param>
		/// <returns></returns>
		public static bool MMContains(this LayerMask mask, GameObject gameobject)
		{
			return ((mask.value & (1 << gameobject.layer)) > 0);
		}
	}
}