66 lines
1.5 KiB
C#
66 lines
1.5 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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//希望在编辑器状态下也可以执行该脚本来查看效果
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[ExecuteInEditMode]
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//所有的屏幕后处理效果都需要绑定在某个摄像机上
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[RequireComponent(typeof(Camera))]
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public class PostEffectsBase : MonoBehaviour
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{
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protected void CheckResource()
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{
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bool isSupported = CheckSupport();
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if (isSupported == false)
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{
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NotSupported();
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}
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}
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protected bool CheckSupport()
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{
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if (SystemInfo.supportsImageEffects == false || SystemInfo.supportsRenderTextures == false)
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{
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Debug.LogWarning("This platform does not support image effects or render textures.");
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return false;
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}
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return true;
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}
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protected void NotSupported()
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{
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enabled = false;
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}
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protected void Start()
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{
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CheckResource();
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}
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//第一个参数指定了该特效需要使用的Shader，第二个参数则是用于后期处理的材质
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protected Material CheckShaderAndCreateMaterial(Shader shader, Material material)
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{
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if (shader == null)
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{
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return null;
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}
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if (shader.isSupported && material && material.shader == shader)
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{
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return material;
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}
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if (!shader.isSupported)
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{
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return null;
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}
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material = new Material(shader);
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material.hideFlags = HideFlags.DontSave;
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return material;
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}
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}
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