升级XR插件版本

Packages/MCPForUnity/Editor/Tools/Vfx/TrailWrite.cs

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+using System;
+using System.Collections.Generic;
+using MCPForUnity.Editor.Helpers;
+using Newtonsoft.Json.Linq;
+using UnityEditor;
+using UnityEngine;
+
+namespace MCPForUnity.Editor.Tools.Vfx
+{
+    internal static class TrailWrite
+    {
+        public static object SetTime(JObject @params)
+        {
+            TrailRenderer tr = TrailRead.FindTrailRenderer(@params);
+            if (tr == null) return new { success = false, message = "TrailRenderer not found" };
+
+            RendererHelpers.EnsureMaterial(tr);
+
+            float time = @params["time"]?.ToObject<float>() ?? 5f;
+
+            Undo.RecordObject(tr, "Set Trail Time");
+            tr.time = time;
+            EditorUtility.SetDirty(tr);
+
+            return new { success = true, message = $"Set trail time to {time}s" };
+        }
+
+        public static object SetWidth(JObject @params)
+        {
+            TrailRenderer tr = TrailRead.FindTrailRenderer(@params);
+            if (tr == null) return new { success = false, message = "TrailRenderer not found" };
+
+            RendererHelpers.EnsureMaterial(tr);
+
+            Undo.RecordObject(tr, "Set Trail Width");
+            var changes = new List<string>();
+
+            RendererHelpers.ApplyWidthProperties(@params, changes,
+                v => tr.startWidth = v, v => tr.endWidth = v,
+                v => tr.widthCurve = v, v => tr.widthMultiplier = v,
+                ManageVfxCommon.ParseAnimationCurve);
+
+            EditorUtility.SetDirty(tr);
+            return new { success = true, message = $"Updated: {string.Join(", ", changes)}" };
+        }
+
+        public static object SetColor(JObject @params)
+        {
+            TrailRenderer tr = TrailRead.FindTrailRenderer(@params);
+            if (tr == null) return new { success = false, message = "TrailRenderer not found" };
+
+            RendererHelpers.EnsureMaterial(tr);
+
+            Undo.RecordObject(tr, "Set Trail Color");
+            var changes = new List<string>();
+
+            RendererHelpers.ApplyColorProperties(@params, changes,
+                v => tr.startColor = v, v => tr.endColor = v,
+                v => tr.colorGradient = v,
+                ManageVfxCommon.ParseColor, ManageVfxCommon.ParseGradient, fadeEndAlpha: true);
+
+            EditorUtility.SetDirty(tr);
+            return new { success = true, message = $"Updated: {string.Join(", ", changes)}" };
+        }
+
+        public static object SetMaterial(JObject @params)
+        {
+            TrailRenderer tr = TrailRead.FindTrailRenderer(@params);
+            return RendererHelpers.SetRendererMaterial(tr, @params, "Set Trail Material", ManageVfxCommon.FindMaterialByPath);
+        }
+
+        public static object SetProperties(JObject @params)
+        {
+            TrailRenderer tr = TrailRead.FindTrailRenderer(@params);
+            if (tr == null) return new { success = false, message = "TrailRenderer not found" };
+
+            RendererHelpers.EnsureMaterial(tr);
+
+            Undo.RecordObject(tr, "Set Trail Properties");
+            var changes = new List<string>();
+
+            // Handle material if provided
+            if (@params["materialPath"] != null)
+            {
+                Material mat = ManageVfxCommon.FindMaterialByPath(@params["materialPath"].ToString());
+                if (mat != null)
+                {
+                    tr.sharedMaterial = mat;
+                    changes.Add($"material={mat.name}");
+                }
+                else
+                {
+                    McpLog.Warn($"Material not found: {@params["materialPath"]}");
+                }
+            }
+
+            // Handle time if provided
+            if (@params["time"] != null) { tr.time = @params["time"].ToObject<float>(); changes.Add("time"); }
+
+            // Handle width properties if provided
+            if (@params["width"] != null || @params["startWidth"] != null || @params["endWidth"] != null)
+            {
+                if (@params["width"] != null)
+                {
+                    float w = @params["width"].ToObject<float>();
+                    tr.startWidth = w;
+                    tr.endWidth = w;
+                    changes.Add("width");
+                }
+                if (@params["startWidth"] != null) { tr.startWidth = @params["startWidth"].ToObject<float>(); changes.Add("startWidth"); }
+                if (@params["endWidth"] != null) { tr.endWidth = @params["endWidth"].ToObject<float>(); changes.Add("endWidth"); }
+            }
+
+            if (@params["minVertexDistance"] != null) { tr.minVertexDistance = @params["minVertexDistance"].ToObject<float>(); changes.Add("minVertexDistance"); }
+            if (@params["autodestruct"] != null) { tr.autodestruct = @params["autodestruct"].ToObject<bool>(); changes.Add("autodestruct"); }
+            if (@params["emitting"] != null) { tr.emitting = @params["emitting"].ToObject<bool>(); changes.Add("emitting"); }
+
+            RendererHelpers.ApplyLineTrailProperties(@params, changes,
+                null, null,
+                v => tr.numCornerVertices = v, v => tr.numCapVertices = v,
+                v => tr.alignment = v, v => tr.textureMode = v,
+                v => tr.generateLightingData = v);
+
+            RendererHelpers.ApplyCommonRendererProperties(tr, @params, changes);
+
+            EditorUtility.SetDirty(tr);
+            return new { success = true, message = $"Updated: {string.Join(", ", changes)}" };
+        }
+    }
+}