using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using MCPForUnity.Editor.Helpers;
using UnityEngine;
using UnityEditor;
#if UNITY_VFX_GRAPH //Please enable the symbol in the project settings for VisualEffectGraph to work
using UnityEngine.VFX;
#endif
namespace MCPForUnity.Editor.Tools.Vfx
{
/// <summary>
/// Tool for managing Unity VFX components:
/// - ParticleSystem (legacy particle effects)
/// - Visual Effect Graph (modern GPU particles, currently only support HDRP, other SRPs may not work)
/// - LineRenderer (lines, bezier curves, shapes)
/// - TrailRenderer (motion trails)
/// - More to come based on demand and feedback!
/// </summary>
[McpForUnityTool("manage_vfx", AutoRegister = false)]
public static class ManageVFX
{
public static object HandleCommand(JObject @params)
{
string action = @params["action"]?.ToString();
if (string.IsNullOrEmpty(action))
{
return new { success = false, message = "Action is required" };
}
try
{
string actionLower = action.ToLowerInvariant();
// Route to appropriate handler based on action prefix
if (actionLower == "ping")
{
return new { success = true, tool = "manage_vfx", components = new[] { "ParticleSystem", "VisualEffect", "LineRenderer", "TrailRenderer" } };
}
// ParticleSystem actions (particle_*)
if (actionLower.StartsWith("particle_"))
{
return HandleParticleSystemAction(@params, actionLower.Substring(9));
}
// VFX Graph actions (vfx_*)
if (actionLower.StartsWith("vfx_"))
{
return HandleVFXGraphAction(@params, actionLower.Substring(4));
}
// LineRenderer actions (line_*)
if (actionLower.StartsWith("line_"))
{
return HandleLineRendererAction(@params, actionLower.Substring(5));
}
// TrailRenderer actions (trail_*)
if (actionLower.StartsWith("trail_"))
{
return HandleTrailRendererAction(@params, actionLower.Substring(6));
}
return new { success = false, message = $"Unknown action: {action}. Actions must be prefixed with: particle_, vfx_, line_, or trail_" };
}
catch (Exception ex)
{
return new { success = false, message = ex.Message, stackTrace = ex.StackTrace };
}
}
private static object HandleParticleSystemAction(JObject @params, string action)
{
switch (action)
{
case "get_info": return ParticleRead.GetInfo(@params);
case "set_main": return ParticleWrite.SetMain(@params);
case "set_emission": return ParticleWrite.SetEmission(@params);
case "set_shape": return ParticleWrite.SetShape(@params);
case "set_color_over_lifetime": return ParticleWrite.SetColorOverLifetime(@params);
case "set_size_over_lifetime": return ParticleWrite.SetSizeOverLifetime(@params);
case "set_velocity_over_lifetime": return ParticleWrite.SetVelocityOverLifetime(@params);
case "set_noise": return ParticleWrite.SetNoise(@params);
case "set_renderer": return ParticleWrite.SetRenderer(@params);
case "enable_module": return ParticleControl.EnableModule(@params);
case "play": return ParticleControl.Control(@params, "play");
case "stop": return ParticleControl.Control(@params, "stop");
case "pause": return ParticleControl.Control(@params, "pause");
case "restart": return ParticleControl.Control(@params, "restart");
case "clear": return ParticleControl.Control(@params, "clear");
case "add_burst": return ParticleControl.AddBurst(@params);
case "clear_bursts": return ParticleControl.ClearBursts(@params);
default:
return new { success = false, message = $"Unknown particle action: {action}. Valid: get_info, set_main, set_emission, set_shape, set_color_over_lifetime, set_size_over_lifetime, set_velocity_over_lifetime, set_noise, set_renderer, enable_module, play, stop, pause, restart, clear, add_burst, clear_bursts" };
}
}
// ==================== VFX GRAPH ====================
#region VFX Graph
private static object HandleVFXGraphAction(JObject @params, string action)
{
#if !UNITY_VFX_GRAPH
return new { success = false, message = "VFX Graph package (com.unity.visualeffectgraph) not installed" };
#else
switch (action)
{
// Asset management
case "create_asset": return VFXCreateAsset(@params);
case "assign_asset": return VFXAssignAsset(@params);
case "list_templates": return VFXListTemplates(@params);
case "list_assets": return VFXListAssets(@params);
// Runtime parameter control
case "get_info": return VFXGetInfo(@params);
case "set_float": return VFXSetParameter<float>(@params, (vfx, n, v) => vfx.SetFloat(n, v));
case "set_int": return VFXSetParameter<int>(@params, (vfx, n, v) => vfx.SetInt(n, v));
case "set_bool": return VFXSetParameter<bool>(@params, (vfx, n, v) => vfx.SetBool(n, v));
case "set_vector2": return VFXSetVector(@params, 2);
case "set_vector3": return VFXSetVector(@params, 3);
case "set_vector4": return VFXSetVector(@params, 4);
case "set_color": return VFXSetColor(@params);
case "set_gradient": return VFXSetGradient(@params);
case "set_texture": return VFXSetTexture(@params);
case "set_mesh": return VFXSetMesh(@params);
case "set_curve": return VFXSetCurve(@params);
case "send_event": return VFXSendEvent(@params);
case "play": return VFXControl(@params, "play");
case "stop": return VFXControl(@params, "stop");
case "pause": return VFXControl(@params, "pause");
case "reinit": return VFXControl(@params, "reinit");
case "set_playback_speed": return VFXSetPlaybackSpeed(@params);
case "set_seed": return VFXSetSeed(@params);
default:
return new { success = false, message = $"Unknown vfx action: {action}. Valid: create_asset, assign_asset, list_templates, list_assets, get_info, set_float, set_int, set_bool, set_vector2/3/4, set_color, set_gradient, set_texture, set_mesh, set_curve, send_event, play, stop, pause, reinit, set_playback_speed, set_seed" };
}
#endif
}
#if UNITY_VFX_GRAPH
private static VisualEffect FindVisualEffect(JObject @params)
{
GameObject go = ManageVfxCommon.FindTargetGameObject(@params);
return go?.GetComponent<VisualEffect>();
}
/// <summary>
/// Creates a new VFX Graph asset file from a template
/// </summary>
private static object VFXCreateAsset(JObject @params)
{
string assetName = @params["assetName"]?.ToString();
string folderPath = @params["folderPath"]?.ToString() ?? "Assets/VFX";
string template = @params["template"]?.ToString() ?? "empty";
if (string.IsNullOrEmpty(assetName))
return new { success = false, message = "assetName is required" };
// Ensure folder exists
if (!AssetDatabase.IsValidFolder(folderPath))
{
string[] folders = folderPath.Split('/');
string currentPath = folders[0];
for (int i = 1; i < folders.Length; i++)
{
string newPath = currentPath + "/" + folders[i];
if (!AssetDatabase.IsValidFolder(newPath))
{
AssetDatabase.CreateFolder(currentPath, folders[i]);
}
currentPath = newPath;
}
}
string assetPath = $"{folderPath}/{assetName}.vfx";
// Check if asset already exists
if (AssetDatabase.LoadAssetAtPath<UnityEngine.VFX.VisualEffectAsset>(assetPath) != null)
{
bool overwrite = @params["overwrite"]?.ToObject<bool>() ?? false;
if (!overwrite)
return new { success = false, message = $"Asset already exists at {assetPath}. Set overwrite=true to replace." };
AssetDatabase.DeleteAsset(assetPath);
}
// Find and copy template
string templatePath = FindVFXTemplate(template);
UnityEngine.VFX.VisualEffectAsset newAsset = null;
if (!string.IsNullOrEmpty(templatePath) && System.IO.File.Exists(templatePath))
{
// templatePath is a full filesystem path, need to copy file directly
// Get the full destination path
string projectRoot = System.IO.Path.GetDirectoryName(Application.dataPath);
string fullDestPath = System.IO.Path.Combine(projectRoot, assetPath);
// Ensure directory exists
string destDir = System.IO.Path.GetDirectoryName(fullDestPath);
if (!System.IO.Directory.Exists(destDir))
System.IO.Directory.CreateDirectory(destDir);
// Copy the file
System.IO.File.Copy(templatePath, fullDestPath, true);
AssetDatabase.Refresh();
newAsset = AssetDatabase.LoadAssetAtPath<UnityEngine.VFX.VisualEffectAsset>(assetPath);
}
else
{
// Create empty VFX asset using reflection to access internal API
// Note: Develop in Progress, TODO:// Find authenticated way to create VFX asset
try
{
// Try to use VisualEffectAssetEditorUtility.CreateNewAsset if available
var utilityType = System.Type.GetType("UnityEditor.VFX.VisualEffectAssetEditorUtility, Unity.VisualEffectGraph.Editor");
if (utilityType != null)
{
var createMethod = utilityType.GetMethod("CreateNewAsset", BindingFlags.Public | BindingFlags.Static);
if (createMethod != null)
{
createMethod.Invoke(null, new object[] { assetPath });
AssetDatabase.Refresh();
newAsset = AssetDatabase.LoadAssetAtPath<UnityEngine.VFX.VisualEffectAsset>(assetPath);
}
}
// Fallback: Create a ScriptableObject-based asset
if (newAsset == null)
{
// Try direct creation via internal constructor
var resourceType = System.Type.GetType("UnityEditor.VFX.VisualEffectResource, Unity.VisualEffectGraph.Editor");
if (resourceType != null)
{
var createMethod = resourceType.GetMethod("CreateNewAsset", BindingFlags.Public | BindingFlags.Static | BindingFlags.NonPublic);
if (createMethod != null)
{
var resource = createMethod.Invoke(null, new object[] { assetPath });
AssetDatabase.Refresh();
newAsset = AssetDatabase.LoadAssetAtPath<UnityEngine.VFX.VisualEffectAsset>(assetPath);
}
}
}
}
catch (Exception ex)
{
return new { success = false, message = $"Failed to create VFX asset: {ex.Message}" };
}
}
if (newAsset == null)
{
return new { success = false, message = "Failed to create VFX asset. Try using a template from list_templates." };
}
return new
{
success = true,
message = $"Created VFX asset: {assetPath}",
data = new
{
assetPath = assetPath,
assetName = newAsset.name,
template = template
}
};
}
/// <summary>
/// Finds VFX template path by name
/// </summary>
private static string FindVFXTemplate(string templateName)
{
// Get the actual filesystem path for the VFX Graph package using PackageManager API
var packageInfo = UnityEditor.PackageManager.PackageInfo.FindForAssetPath("Packages/com.unity.visualeffectgraph");
var searchPaths = new List<string>();
if (packageInfo != null)
{
// Use the resolved path from PackageManager (handles Library/PackageCache paths)
searchPaths.Add(System.IO.Path.Combine(packageInfo.resolvedPath, "Editor/Templates"));
searchPaths.Add(System.IO.Path.Combine(packageInfo.resolvedPath, "Samples"));
}
// Also search project-local paths
searchPaths.Add("Assets/VFX/Templates");
string[] templatePatterns = new[]
{
$"{templateName}.vfx",
$"VFX{templateName}.vfx",
$"Simple{templateName}.vfx",
$"{templateName}VFX.vfx"
};
foreach (string basePath in searchPaths)
{
if (!System.IO.Directory.Exists(basePath)) continue;
foreach (string pattern in templatePatterns)
{
string[] files = System.IO.Directory.GetFiles(basePath, pattern, System.IO.SearchOption.AllDirectories);
if (files.Length > 0)
return files[0];
}
// Also search by partial match
try
{
string[] allVfxFiles = System.IO.Directory.GetFiles(basePath, "*.vfx", System.IO.SearchOption.AllDirectories);
foreach (string file in allVfxFiles)
{
if (System.IO.Path.GetFileNameWithoutExtension(file).ToLower().Contains(templateName.ToLower()))
return file;
}
}
catch { }
}
// Search in project assets
string[] guids = AssetDatabase.FindAssets("t:VisualEffectAsset " + templateName);
if (guids.Length > 0)
{
return AssetDatabase.GUIDToAssetPath(guids[0]);
}
return null;
}
/// <summary>
/// Assigns a VFX asset to a VisualEffect component
/// </summary>
private static object VFXAssignAsset(JObject @params)
{
VisualEffect vfx = FindVisualEffect(@params);
if (vfx == null) return new { success = false, message = "VisualEffect component not found" };
string assetPath = @params["assetPath"]?.ToString();
if (string.IsNullOrEmpty(assetPath))
return new { success = false, message = "assetPath is required" };
// Normalize path
if (!assetPath.StartsWith("Assets/") && !assetPath.StartsWith("Packages/"))
assetPath = "Assets/" + assetPath;
if (!assetPath.EndsWith(".vfx"))
assetPath += ".vfx";
var asset = AssetDatabase.LoadAssetAtPath<UnityEngine.VFX.VisualEffectAsset>(assetPath);
if (asset == null)
{
// Try searching by name
string searchName = System.IO.Path.GetFileNameWithoutExtension(assetPath);
string[] guids = AssetDatabase.FindAssets($"t:VisualEffectAsset {searchName}");
if (guids.Length > 0)
{
assetPath = AssetDatabase.GUIDToAssetPath(guids[0]);
asset = AssetDatabase.LoadAssetAtPath<UnityEngine.VFX.VisualEffectAsset>(assetPath);
}
}
if (asset == null)
return new { success = false, message = $"VFX asset not found: {assetPath}" };
Undo.RecordObject(vfx, "Assign VFX Asset");
vfx.visualEffectAsset = asset;
EditorUtility.SetDirty(vfx);
return new
{
success = true,
message = $"Assigned VFX asset '{asset.name}' to {vfx.gameObject.name}",
data = new
{
gameObject = vfx.gameObject.name,
assetName = asset.name,
assetPath = assetPath
}
};
}
/// <summary>
/// Lists available VFX templates
/// </summary>
private static object VFXListTemplates(JObject @params)
{
var templates = new List<object>();
// Get the actual filesystem path for the VFX Graph package using PackageManager API
var packageInfo = UnityEditor.PackageManager.PackageInfo.FindForAssetPath("Packages/com.unity.visualeffectgraph");
var searchPaths = new List<string>();
if (packageInfo != null)
{
// Use the resolved path from PackageManager (handles Library/PackageCache paths)
searchPaths.Add(System.IO.Path.Combine(packageInfo.resolvedPath, "Editor/Templates"));
searchPaths.Add(System.IO.Path.Combine(packageInfo.resolvedPath, "Samples"));
}
// Also search project-local paths
searchPaths.Add("Assets/VFX/Templates");
searchPaths.Add("Assets/VFX");
// Precompute normalized package path for comparison
string normalizedPackagePath = null;
if (packageInfo != null)
{
normalizedPackagePath = packageInfo.resolvedPath.Replace("\\", "/");
}
// Precompute the Assets base path for converting absolute paths to project-relative
string assetsBasePath = Application.dataPath.Replace("\\", "/");
foreach (string basePath in searchPaths)
{
if (!System.IO.Directory.Exists(basePath)) continue;
try
{
string[] vfxFiles = System.IO.Directory.GetFiles(basePath, "*.vfx", System.IO.SearchOption.AllDirectories);
foreach (string file in vfxFiles)
{
string absolutePath = file.Replace("\\", "/");
string name = System.IO.Path.GetFileNameWithoutExtension(file);
bool isPackage = normalizedPackagePath != null && absolutePath.StartsWith(normalizedPackagePath);
// Convert absolute path to project-relative path
string projectRelativePath;
if (isPackage)
{
// For package paths, convert to Packages/... format
projectRelativePath = "Packages/" + packageInfo.name + absolutePath.Substring(normalizedPackagePath.Length);
}
else if (absolutePath.StartsWith(assetsBasePath))
{
// For project assets, convert to Assets/... format
projectRelativePath = "Assets" + absolutePath.Substring(assetsBasePath.Length);
}
else
{
// Fallback: use the absolute path if we can't determine the relative path
projectRelativePath = absolutePath;
}
templates.Add(new { name = name, path = projectRelativePath, source = isPackage ? "package" : "project" });
}
}
catch { }
}
// Also search project assets
string[] guids = AssetDatabase.FindAssets("t:VisualEffectAsset");
foreach (string guid in guids)
{
string path = AssetDatabase.GUIDToAssetPath(guid);
if (!templates.Any(t => ((dynamic)t).path == path))
{
string name = System.IO.Path.GetFileNameWithoutExtension(path);
templates.Add(new { name = name, path = path, source = "project" });
}
}
return new
{
success = true,
data = new
{
count = templates.Count,
templates = templates
}
};
}
/// <summary>
/// Lists all VFX assets in the project
/// </summary>
private static object VFXListAssets(JObject @params)
{
string searchFolder = @params["folder"]?.ToString();
string searchPattern = @params["search"]?.ToString();
string filter = "t:VisualEffectAsset";
if (!string.IsNullOrEmpty(searchPattern))
filter += " " + searchPattern;
string[] guids;
if (!string.IsNullOrEmpty(searchFolder))
guids = AssetDatabase.FindAssets(filter, new[] { searchFolder });
else
guids = AssetDatabase.FindAssets(filter);
var assets = new List<object>();
foreach (string guid in guids)
{
string path = AssetDatabase.GUIDToAssetPath(guid);
var asset = AssetDatabase.LoadAssetAtPath<UnityEngine.VFX.VisualEffectAsset>(path);
if (asset != null)
{
assets.Add(new
{
name = asset.name,
path = path,
guid = guid
});
}
}
return new
{
success = true,
data = new
{
count = assets.Count,
assets = assets
}
};
}
private static object VFXGetInfo(JObject @params)
{
VisualEffect vfx = FindVisualEffect(@params);
if (vfx == null) return new { success = false, message = "VisualEffect not found" };
return new
{
success = true,
data = new
{
gameObject = vfx.gameObject.name,
assetName = vfx.visualEffectAsset?.name ?? "None",
aliveParticleCount = vfx.aliveParticleCount,
culled = vfx.culled,
pause = vfx.pause,
playRate = vfx.playRate,
startSeed = vfx.startSeed
}
};
}
private static object VFXSetParameter<T>(JObject @params, Action<VisualEffect, string, T> setter)
{
VisualEffect vfx = FindVisualEffect(@params);
if (vfx == null) return new { success = false, message = "VisualEffect not found" };
string param = @params["parameter"]?.ToString();
if (string.IsNullOrEmpty(param)) return new { success = false, message = "Parameter name required" };
JToken valueToken = @params["value"];
if (valueToken == null) return new { success = false, message = "Value required" };
Undo.RecordObject(vfx, $"Set VFX {param}");
T value = valueToken.ToObject<T>();
setter(vfx, param, value);
EditorUtility.SetDirty(vfx);
return new { success = true, message = $"Set {param} = {value}" };
}
private static object VFXSetVector(JObject @params, int dims)
{
VisualEffect vfx = FindVisualEffect(@params);
if (vfx == null) return new { success = false, message = "VisualEffect not found" };
string param = @params["parameter"]?.ToString();
if (string.IsNullOrEmpty(param)) return new { success = false, message = "Parameter name required" };
Vector4 vec = ManageVfxCommon.ParseVector4(@params["value"]);
Undo.RecordObject(vfx, $"Set VFX {param}");
switch (dims)
{
case 2: vfx.SetVector2(param, new Vector2(vec.x, vec.y)); break;
case 3: vfx.SetVector3(param, new Vector3(vec.x, vec.y, vec.z)); break;
case 4: vfx.SetVector4(param, vec); break;
}
EditorUtility.SetDirty(vfx);
return new { success = true, message = $"Set {param}" };
}
private static object VFXSetColor(JObject @params)
{
VisualEffect vfx = FindVisualEffect(@params);
if (vfx == null) return new { success = false, message = "VisualEffect not found" };
string param = @params["parameter"]?.ToString();
if (string.IsNullOrEmpty(param)) return new { success = false, message = "Parameter name required" };
Color color = ManageVfxCommon.ParseColor(@params["value"]);
Undo.RecordObject(vfx, $"Set VFX Color {param}");
vfx.SetVector4(param, new Vector4(color.r, color.g, color.b, color.a));
EditorUtility.SetDirty(vfx);
return new { success = true, message = $"Set color {param}" };
}
private static object VFXSetGradient(JObject @params)
{
VisualEffect vfx = FindVisualEffect(@params);
if (vfx == null) return new { success = false, message = "VisualEffect not found" };
string param = @params["parameter"]?.ToString();
if (string.IsNullOrEmpty(param)) return new { success = false, message = "Parameter name required" };
Gradient gradient = ManageVfxCommon.ParseGradient(@params["gradient"]);
Undo.RecordObject(vfx, $"Set VFX Gradient {param}");
vfx.SetGradient(param, gradient);
EditorUtility.SetDirty(vfx);
return new { success = true, message = $"Set gradient {param}" };
}
private static object VFXSetTexture(JObject @params)
{
VisualEffect vfx = FindVisualEffect(@params);
if (vfx == null) return new { success = false, message = "VisualEffect not found" };
string param = @params["parameter"]?.ToString();
string path = @params["texturePath"]?.ToString();
if (string.IsNullOrEmpty(param) || string.IsNullOrEmpty(path)) return new { success = false, message = "Parameter and texturePath required" };
var findInst = new JObject { ["find"] = path };
Texture tex = ObjectResolver.Resolve(findInst, typeof(Texture)) as Texture;
if (tex == null) return new { success = false, message = $"Texture not found: {path}" };
Undo.RecordObject(vfx, $"Set VFX Texture {param}");
vfx.SetTexture(param, tex);
EditorUtility.SetDirty(vfx);
return new { success = true, message = $"Set texture {param} = {tex.name}" };
}
private static object VFXSetMesh(JObject @params)
{
VisualEffect vfx = FindVisualEffect(@params);
if (vfx == null) return new { success = false, message = "VisualEffect not found" };
string param = @params["parameter"]?.ToString();
string path = @params["meshPath"]?.ToString();
if (string.IsNullOrEmpty(param) || string.IsNullOrEmpty(path)) return new { success = false, message = "Parameter and meshPath required" };
var findInst = new JObject { ["find"] = path };
Mesh mesh = ObjectResolver.Resolve(findInst, typeof(Mesh)) as Mesh;
if (mesh == null) return new { success = false, message = $"Mesh not found: {path}" };
Undo.RecordObject(vfx, $"Set VFX Mesh {param}");
vfx.SetMesh(param, mesh);
EditorUtility.SetDirty(vfx);
return new { success = true, message = $"Set mesh {param} = {mesh.name}" };
}
private static object VFXSetCurve(JObject @params)
{
VisualEffect vfx = FindVisualEffect(@params);
if (vfx == null) return new { success = false, message = "VisualEffect not found" };
string param = @params["parameter"]?.ToString();
if (string.IsNullOrEmpty(param)) return new { success = false, message = "Parameter name required" };
AnimationCurve curve = ManageVfxCommon.ParseAnimationCurve(@params["curve"], 1f);
Undo.RecordObject(vfx, $"Set VFX Curve {param}");
vfx.SetAnimationCurve(param, curve);
EditorUtility.SetDirty(vfx);
return new { success = true, message = $"Set curve {param}" };
}
private static object VFXSendEvent(JObject @params)
{
VisualEffect vfx = FindVisualEffect(@params);
if (vfx == null) return new { success = false, message = "VisualEffect not found" };
string eventName = @params["eventName"]?.ToString();
if (string.IsNullOrEmpty(eventName)) return new { success = false, message = "Event name required" };
VFXEventAttribute attr = vfx.CreateVFXEventAttribute();
if (@params["position"] != null) attr.SetVector3("position", ManageVfxCommon.ParseVector3(@params["position"]));
if (@params["velocity"] != null) attr.SetVector3("velocity", ManageVfxCommon.ParseVector3(@params["velocity"]));
if (@params["color"] != null) { var c = ManageVfxCommon.ParseColor(@params["color"]); attr.SetVector3("color", new Vector3(c.r, c.g, c.b)); }
if (@params["size"] != null) attr.SetFloat("size", @params["size"].ToObject<float>());
if (@params["lifetime"] != null) attr.SetFloat("lifetime", @params["lifetime"].ToObject<float>());
vfx.SendEvent(eventName, attr);
return new { success = true, message = $"Sent event '{eventName}'" };
}
private static object VFXControl(JObject @params, string action)
{
VisualEffect vfx = FindVisualEffect(@params);
if (vfx == null) return new { success = false, message = "VisualEffect not found" };
switch (action)
{
case "play": vfx.Play(); break;
case "stop": vfx.Stop(); break;
case "pause": vfx.pause = !vfx.pause; break;
case "reinit": vfx.Reinit(); break;
}
return new { success = true, message = $"VFX {action}", isPaused = vfx.pause };
}
private static object VFXSetPlaybackSpeed(JObject @params)
{
VisualEffect vfx = FindVisualEffect(@params);
if (vfx == null) return new { success = false, message = "VisualEffect not found" };
float rate = @params["playRate"]?.ToObject<float>() ?? 1f;
Undo.RecordObject(vfx, "Set VFX Play Rate");
vfx.playRate = rate;
EditorUtility.SetDirty(vfx);
return new { success = true, message = $"Set play rate = {rate}" };
}
private static object VFXSetSeed(JObject @params)
{
VisualEffect vfx = FindVisualEffect(@params);
if (vfx == null) return new { success = false, message = "VisualEffect not found" };
uint seed = @params["seed"]?.ToObject<uint>() ?? 0;
bool resetOnPlay = @params["resetSeedOnPlay"]?.ToObject<bool>() ?? true;
Undo.RecordObject(vfx, "Set VFX Seed");
vfx.startSeed = seed;
vfx.resetSeedOnPlay = resetOnPlay;
EditorUtility.SetDirty(vfx);
return new { success = true, message = $"Set seed = {seed}" };
}
#endif
#endregion
private static object HandleLineRendererAction(JObject @params, string action)
{
switch (action)
{
case "get_info": return LineRead.GetInfo(@params);
case "set_positions": return LineWrite.SetPositions(@params);
case "add_position": return LineWrite.AddPosition(@params);
case "set_position": return LineWrite.SetPosition(@params);
case "set_width": return LineWrite.SetWidth(@params);
case "set_color": return LineWrite.SetColor(@params);
case "set_material": return LineWrite.SetMaterial(@params);
case "set_properties": return LineWrite.SetProperties(@params);
case "clear": return LineWrite.Clear(@params);
case "create_line": return LineCreate.CreateLine(@params);
case "create_circle": return LineCreate.CreateCircle(@params);
case "create_arc": return LineCreate.CreateArc(@params);
case "create_bezier": return LineCreate.CreateBezier(@params);
default:
return new { success = false, message = $"Unknown line action: {action}. Valid: get_info, set_positions, add_position, set_position, set_width, set_color, set_material, set_properties, clear, create_line, create_circle, create_arc, create_bezier" };
}
}
private static object HandleTrailRendererAction(JObject @params, string action)
{
switch (action)
{
case "get_info": return TrailRead.GetInfo(@params);
case "set_time": return TrailWrite.SetTime(@params);
case "set_width": return TrailWrite.SetWidth(@params);
case "set_color": return TrailWrite.SetColor(@params);
case "set_material": return TrailWrite.SetMaterial(@params);
case "set_properties": return TrailWrite.SetProperties(@params);
case "clear": return TrailControl.Clear(@params);
case "emit": return TrailControl.Emit(@params);
default:
return new { success = false, message = $"Unknown trail action: {action}. Valid: get_info, set_time, set_width, set_color, set_material, set_properties, clear, emit" };
}
}
}
}
