using UnityEngine;
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using System.Collections;
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//提供一个后处理的基类，主要功能在于直接通过Inspector面板拖入shader，生成shader对应的材质
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public class PostEffectBase : MonoBehaviour
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{
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//Inspector面板上直接拖入
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public Shader shader = null;
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private Material _material = null;
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public Material _Material
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{
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get
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{
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if (_material == null)
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_material = GenerateMaterial(shader);
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return _material;
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}
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}
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//根据shader创建用于屏幕特效的材质
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protected Material GenerateMaterial(Shader shader)
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{
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if (shader == null)
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return null;
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//需要判断shader是否支持
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if (shader.isSupported == false)
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return null;
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Material material = new Material(shader);
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material.hideFlags = HideFlags.DontSave;
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if (material)
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return material;
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return null;
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}
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}
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