26 lines
		
	
	
		
			631 B
		
	
	
	
		
			C#
		
	
			
		
		
	
	
			26 lines
		
	
	
		
			631 B
		
	
	
	
		
			C#
		
	
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using UnityEngine;
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namespace GameLogic
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{
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    public static class GameExtension
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    {
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        public static T AddMissingComponent<T>(this GameObject gameObj) where T : Component
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        { 
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            T t = gameObj.GetComponent<T>();
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            if (t == null) t = gameObj.AddComponent<T>();
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            return t;
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        }
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    }
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    public static class UnityEngineObjectExtention
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    {
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        public static bool IsNull(this UnityEngine.Object o) // 或者名字叫IsDestroyed等等
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        {
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            return o == null;
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        }
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    }
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}
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