一些特效

Assets/ThemeBundles/DepartureToMultiverse/Shders/PixelateFeature.cs

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+using UnityEngine;
+using UnityEngine.Rendering;
+using UnityEngine.Rendering.Universal;
+
+public class PixelateFeature : ScriptableRendererFeature
+{
+    [System.Serializable]
+    public class Settings
+    {
+        public RenderPassEvent renderPassEvent = RenderPassEvent.AfterRenderingPostProcessing;
+        [Tooltip("用于像素化的材质")]
+        public Material pixelateMaterial = null;
+    }
+
+    public Settings settings = new Settings();
+    private PixelatePass m_PixelatePass;
+
+    // 当Feature被创建或Inspector中的值被改变时调用
+    public override void Create()
+    {
+        // 检查材质是否存在
+        if (settings.pixelateMaterial != null)
+        {
+            m_PixelatePass = new PixelatePass(settings.pixelateMaterial);
+            // 将Inspector中设置的事件赋值给Pass
+            m_PixelatePass.renderPassEvent = settings.renderPassEvent;
+        }
+        else
+        {
+            // 如果材质为空，则不创建Pass，避免后续报错
+            m_PixelatePass = null;
+        }
+    }
+
+    // 【核心修正】这个方法现在非常干净，只负责将创建好的Pass入队
+    public override void AddRenderPasses(ScriptableRenderer renderer, ref RenderingData renderingData)
+    {
+        if (m_PixelatePass == null)
+        {
+            // 如果Pass没有被成功创建（因为没材质），就直接返回
+            return;
+        }
+
+        // 将我们的Pass添加到渲染队列中，URP会在正确的时间执行它
+        renderer.EnqueuePass(m_PixelatePass);
+    }
+}