chore(release): 4.11.3 [skip ci]

## [4.11.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.2...v4.11.3) (2025-10-14) ### Bug Fixes * fix icon ([a9461ec](a9461ecb4d)) * fix URL link in README ([1c8c65d](1c8c65d25e)), closes [#376](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/376) * fix: second and subsequent bursts not displayed when world simulation and non-looping ([df2f3ca](df2f3caafb)), closes [#326](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/326) * UIParticle in canvas with 0f-0.01f alpha value does not start to play until alpha value is greater than 0.01f, causes play calls to be delayed unintentionally if canvas alpha value is set to mentioned value range ([38aec2e](38aec2ea1a))
chore: update workflow
2026-05-14 20:20:06 +00:00 · 2025-10-14 11:53:52 +00:00 · 2025-10-14 19:47:54 +09:00 · 2025-10-14 19:43:29 +09:00 · 2025-08-08 17:57:40 +09:00 · 2025-06-14 09:41:44 +09:00
29 changed files with 289 additions and 2520 deletions
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -27,10 +27,10 @@ jobs:
      split_to: ${{ steps.summary.outputs.split_to }}
    steps:
      - name: 🚚 Checkout (${{ github.ref_name }})
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5

      - name: 🔖 Run semantic release
-        uses: cycjimmy/semantic-release-action@v4
+        uses: cycjimmy/semantic-release-action@v5
        id: release
        with:
          working_directory: Packages/src
@@ -67,7 +67,7 @@ jobs:
      contents: write
    steps:
      - name: 🚚 Checkout (${{ needs.release.outputs.merge_to }})
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
        with:
          ref: ${{ needs.release.outputs.merge_to }}
          fetch-depth: 0
@@ -88,7 +88,7 @@ jobs:
      contents: write
    steps:
      - name: 🚚 Checkout (${{ needs.release.outputs.tag }})
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
        with:
          ref: ${{ needs.release.outputs.tag }}
          fetch-depth: 0
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,6 +10,7 @@ env:
  MINIMUM_VERSION: 2019.4
  # EXCLUDE_FILTER: The excluded versions of Unity.
  EXCLUDE_FILTER: "(2020.2.0|2021.1|2023.3)"
+  PROJECT_PATH: .

 on:
  workflow_dispatch:
@@ -21,7 +22,7 @@ on:
  push:
    branches:
      - develop
-      - develop-preview
+      - "develop-*"
    tags:
      - "!*"
    paths-ignore:
@@ -71,11 +72,11 @@ jobs:
    steps:
      - name: 🚚 Checkout ($${{ github.ref }})
        if: github.event_name == 'push'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5

      - name: 🚚 Checkout pull request (pull_request_target)
        if: github.event_name == 'pull_request_target'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          fetch-depth: 0
@@ -85,25 +86,27 @@ jobs:
        run: |
          git config user.name "GitHub Actions"
          git config user.email "actions@github.com"
-          git merge origin/${{ github.event.pull_request.base.ref }} --no-edit
+          git rebase ${{ github.event.pull_request.base.sha }}
+          git log --oneline -n 10

      - name: 📥 Cache library
        uses: actions/cache@v4
        with:
-          path: Library
-          key: Library-${{ matrix.unityVersion }}-${{ github.event.pull_request.head.sha || github.sha }}
+          path: ${{ env.PROJECT_PATH }}/Library
+          key: ${{ env.PROJECT_PATH }}-Library-${{ matrix.unityVersion }}-${{ github.event.pull_request.head.sha || github.sha }}
          restore-keys: |
-            Library-${{ matrix.unityVersion }}-
-            Library-
+            ${{ env.PROJECT_PATH }}-Library-${{ matrix.unityVersion }}-
+            ${{ env.PROJECT_PATH }}-Library-

      - name: 🛠️ Build Unity Project (Test)
-        uses: game-ci/unity-builder@v4
+        uses: game-ci/unity-builder@main
        timeout-minutes: 45
        with:
          customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
          targetPlatform: StandaloneLinux64
          allowDirtyBuild: true
          customParameters: -nographics
+          projectPath: ${{ env.PROJECT_PATH }}
        env:
          UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
          UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
@@ -118,6 +121,7 @@ jobs:
          customParameters: -nographics
          checkName: ${{ matrix.unityVersion }} Test Results
          githubToken: ${{ github.token }}
+          projectPath: ${{ env.PROJECT_PATH }}
        env:
          UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
          UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
--- a/Assets/ProjectSettings/NanoMonitor.asset
+++ b/Assets/ProjectSettings/NanoMonitor.asset
@@ -18,11 +18,12 @@ MonoBehaviour:
  m_EnabledInEditor: 1
  m_AlwaysIncludeAssembly: 1
  m_InstantiateOnLoad: 1
-  m_Prefab: {fileID: 7211429669315726685, guid: b73940fc30a2f4eb9a73783e9c1f8da6,
+  m_Prefab: {fileID: 4567906826058368312, guid: 7cebff2d255b9433cbe23b243c193329,
    type: 3}
  m_Interval: 0.5
  m_Anchor: 0
  m_Width: 750
+  m_HelpUrl: https://github.com/mob-sakai/ParticleEffectForUGUI
  m_CustomMonitorItems:
  - m_Format: Screen:{0}x{1}
    m_Arg0:
--- a/Assets/ProjectSettings/NanoMonitor.prefab
+++ b/Assets/ProjectSettings/NanoMonitor.prefab
--- a/Assets/ProjectSettings/NanoMonitor.prefab.meta
+++ b/Assets/ProjectSettings/NanoMonitor.prefab.meta
@@ -1,7 +0,0 @@
-fileFormatVersion: 2
-guid: b73940fc30a2f4eb9a73783e9c1f8da6
-PrefabImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
--- a/Assets/ProjectSettings/UIParticleProjectSettings.asset
+++ b/Assets/ProjectSettings/UIParticleProjectSettings.asset
@@ -10,7 +10,7 @@ MonoBehaviour:
  m_Enabled: 1
  m_EditorHideFlags: 0
  m_Script: {fileID: 11500000, guid: f22a23b9d98e440478697f4adf30e61c, type: 3}
-  m_Name: UIParticle
+  m_Name: UIParticleProjectSettings
  m_EditorClassIdentifier: 
  m_EnableLinearToGamma: 1
  m_HideGeneratedObjects: 1
--- a/Assets/ProjectSettings/UIParticleProjectSettings.asset.meta
+++ b/Assets/ProjectSettings/UIParticleProjectSettings.asset.meta
@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 4b9df7b8a4193489299b8f477348ae0c
+guid: a5b9278dfbd194d04b1c6ae7031928c1
 NativeFormatImporter:
  externalObjects: {}
  mainObjectFileID: 11400000
--- a/Packages/manifest.json
+++ b/Packages/manifest.json
@@ -1,6 +1,7 @@
 {
  "dependencies": {
    "com.coffee.development": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/Development",
+    "com.coffee.minimal-resource": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/MinimalResource",
    "com.coffee.nano-monitor": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/NanoMonitor",
    "com.unity.ide.rider": "3.0.31",
    "com.unity.test-framework": "1.1.33",
--- a/Packages/packages-lock.json
+++ b/Packages/packages-lock.json
@@ -5,7 +5,14 @@
      "depth": 0,
      "source": "git",
      "dependencies": {},
-      "hash": "4e5f735ccf956ee469b5014ae781068c49a2825d"
+      "hash": "3c280f1a8f4db5038b881ff07f270efd9638fa31"
+    },
+    "com.coffee.minimal-resource": {
+      "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/MinimalResource",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {},
+      "hash": "3c280f1a8f4db5038b881ff07f270efd9638fa31"
    },
    "com.coffee.nano-monitor": {
      "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/NanoMonitor",
@@ -14,7 +21,7 @@
      "dependencies": {
        "com.unity.ugui": "1.0.0"
      },
-      "hash": "4e5f735ccf956ee469b5014ae781068c49a2825d"
+      "hash": "3c280f1a8f4db5038b881ff07f270efd9638fa31"
    },
    "com.coffee.ui-particle": {
      "version": "file:src",
--- a/Packages/src/CHANGELOG.md
+++ b/Packages/src/CHANGELOG.md
@@ -1,3 +1,50 @@
+## [4.11.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.2...v4.11.3) (2025-10-14)
+
+
+### Bug Fixes
+
+* fix icon ([a9461ec](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a9461ecb4d40d7fe878e12465d6e38faae7ae65b))
+* fix URL link in README ([1c8c65d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1c8c65d25e7f6fe7b1d20da4461333df8fc7578e)), closes [#376](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/376)
+* fix: second and subsequent bursts not displayed when world simulation and non-looping ([df2f3ca](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/df2f3caafbe279f1457d74f8183cb561ac14aa17)), closes [#326](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/326)
+* UIParticle in canvas with 0f-0.01f alpha value does not start to play until alpha value is greater than 0.01f, causes play calls to be delayed unintentionally if canvas alpha value is set to mentioned value range ([38aec2e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/38aec2ea1afd77677d629c86665a3342d92e49d9))
+
+## [4.11.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.1...v4.11.2) (2025-03-15)
+
+
+### Bug Fixes
+
+* IL2CPP build fails on older versions of Unity ([0da6525](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0da652520cd165b43de7404c0b0ab1fbcf9349d1))
+* NRE on enable ([0cff50e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0cff50ef696aa53fb7c46a9a737b7cf3a05b7b9b)), closes [#359](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/359)
+
+## [4.11.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.0...v4.11.1) (2025-02-21)
+
+
+### Bug Fixes
+
+* component icons will no longer be displayed in the scene view ([6dfbdae](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/6dfbdae38d3822ab9c2c6f0e4ca1ca32ee98a239))
+
+# [4.11.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.7...v4.11.0) (2025-02-21)
+
+
+### Features
+
+* add 'TimeScaleMultiplier' option ([925af0b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/925af0b6046f65f23a778f67cefa8ff9cbedb513))
+
+## [4.10.7](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.6...v4.10.7) (2025-01-14)
+
+
+### Bug Fixes
+
+* editor crashed on exit play mode (editor, windows) ([47ee45c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/47ee45cbbe651a8f87ca2b8a3948f8b88db8211e)), closes [#351](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/351)
+
+## [4.10.6](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.5...v4.10.6) (2025-01-03)
+
+
+### Bug Fixes
+
+* sub-emitter particles may not render correctly in certain scenarios ([8276684](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8276684c3b1646f0490ed64557547ba15281664a)), closes [#348](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/348)
+* sub-emitter's `inherit velocity` module doubles at runtime ([67de3d1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/67de3d1bd3e16dc9b564625cb990c53d75769506)), closes [#349](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/349)
+
 ## [4.10.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.4...v4.10.5) (2024-12-23)


--- a/Packages/src/Editor/UIParticleEditor.cs
+++ b/Packages/src/Editor/UIParticleEditor.cs
@@ -62,6 +62,7 @@ namespace Coffee.UIExtensions
        private SerializedProperty _autoScalingMode;
        private SerializedProperty _useCustomView;
        private SerializedProperty _customViewSize;
+        private SerializedProperty _timeScaleMultiplier;
        private ReorderableList _ro;
        private bool _showMax;
        private bool _is3DScaleMode;
@@ -100,6 +101,7 @@ namespace Coffee.UIExtensions
            _autoScalingMode = serializedObject.FindProperty("m_AutoScalingMode");
            _useCustomView = serializedObject.FindProperty("m_UseCustomView");
            _customViewSize = serializedObject.FindProperty("m_CustomViewSize");
+            _timeScaleMultiplier = serializedObject.FindProperty("m_TimeScaleMultiplier");

            var sp = serializedObject.FindProperty("m_Particles");
            _ro = new ReorderableList(sp.serializedObject, sp, true, true, true, true)
@@ -244,6 +246,9 @@ namespace Coffee.UIExtensions
                _customViewSize.floatValue = Mathf.Max(0.1f, _customViewSize.floatValue);
            }

+            // Time Scale Multiplier
+            EditorGUILayout.PropertyField(_timeScaleMultiplier);
+
            // Target ParticleSystems.
            EditorGUI.BeginChangeCheck();
            _ro.DoLayoutList();
--- a/Packages/src/Editor/UIParticleIcon.png
+++ b/Packages/src/Editor/UIParticleIcon.png
--- a/Packages/src/Editor/UIParticleIcon.png.meta
+++ b/Packages/src/Editor/UIParticleIcon.png.meta
--- a/Packages/src/Icons.meta
+++ b/Packages/src/Icons.meta
@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 7a55e246f37df405bac88eac692e3a86
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
--- a/Packages/src/README.md
+++ b/Packages/src/README.md
@@ -144,7 +144,7 @@ _This package requires **Unity 2018.3 or later**._

 #### Install as Embedded Package

-1. Download a source code zip file from [Releases](https://github.com/mob-sakai/ParticleEffectForUGUI.git/releases) and extract it.
+1. Download a source code zip file from [Releases](https://github.com/mob-sakai/ParticleEffectForUGUI/releases) and extract it.
 2. Place it in your project's `Packages` directory.  
   ![](https://github.com/mob-sakai/mob-sakai/assets/12690315/0b7484b4-5fca-43b0-a9ef-e5dbd99bcdb4)
 - If you want to fix bugs or add features, install it as an embedded package.
@@ -158,7 +158,7 @@ _This package requires **Unity 2018.3 or later**._

 `UIParticle` controls the ParticleSystems that are attached to its own game objects and child game objects.

-![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/1cf5753b-33fc-4cef-91c3-413c515a954f)
+![](https://github.com/user-attachments/assets/bc9eb783-afce-4102-ac61-aee9ea8d6f2f)

 - **Maskable**: Does this graphic allow maskable.
 - **Scale**: Scale the rendering particles. When the `3D` toggle is enabled, 3D scale (x, y, z) is supported.
@@ -180,6 +180,7 @@ _This package requires **Unity 2018.3 or later**._
  - **UIParticle:** UIParticle.scale will be adjusted.
 - **Use Custom View:** Use this if the particles are not displayed correctly due to min/max particle size.
  - **Custom view size:** Change the bake view size.
+- **Time Scale Multiplier:** Time scale multiplier.
 - **Rendering Order**: The ParticleSystem list to be rendered. You can change the order and the materials.

 **NOTE:** Press the `Refresh` button to reconstruct the rendering order based on children ParticleSystem's sorting order
@@ -210,7 +211,7 @@ and z-position.
 If you want to mask particles, set a stencil-supported shader (such as `UI/UIAdditive`) to the material for
 ParticleSystem.
 If you use some custom shaders, see
-the [How to Make a Custom Shader to Support Mask/RectMask2D Component](#how-to-make-a-custom-shader-to-support-maskrectmask2d-component)
+the [How to Make a Custom Shader to Support Mask/RectMask2D Component](#how-to-make-a-custom-shader-to-support-mask-and-rectmask2d-component)
 section.

 ![](https://user-images.githubusercontent.com/12690315/95017591-3b512700-0695-11eb-864e-04166ea1809a.png)
--- a/Packages/src/Runtime/Coffee.UIParticle.R.dll
+++ b/Packages/src/Runtime/Coffee.UIParticle.R.dll
--- a/Packages/src/Runtime/Coffee.UIParticle.R.dll.meta
+++ b/Packages/src/Runtime/Coffee.UIParticle.R.dll.meta
@@ -0,0 +1,33 @@
+fileFormatVersion: 2
+guid: 4d73b3825bf044d418ae21bb331d3902
+PluginImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  iconMap: {}
+  executionOrder: {}
+  defineConstraints: []
+  isPreloaded: 0
+  isOverridable: 1
+  isExplicitlyReferenced: 0
+  validateReferences: 1
+  platformData:
+  - first:
+      Any: 
+    second:
+      enabled: 1
+      settings: {}
+  - first:
+      Editor: Editor
+    second:
+      enabled: 0
+      settings:
+        DefaultValueInitialized: true
+  - first:
+      Windows Store Apps: WindowsStoreApps
+    second:
+      enabled: 0
+      settings:
+        CPU: AnyCPU
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Packages/src/Runtime/Internal/Extensions/ComponentExtensions.cs
+++ b/Packages/src/Runtime/Internal/Extensions/ComponentExtensions.cs
@@ -204,7 +204,7 @@ namespace Coffee.UIParticleInternal
            target.enabled = false;

            // Find MonoScript of the specified component.
-            foreach (var script in Resources.FindObjectsOfTypeAll<MonoScript>())
+            foreach (var script in MonoImporter.GetAllRuntimeMonoScripts())
            {
                if (script.GetClass() != typeof(T))
                {
--- a/Packages/src/Runtime/Internal/ProjectSettings/PreloadedProjectSettings.cs
+++ b/Packages/src/Runtime/Internal/ProjectSettings/PreloadedProjectSettings.cs
@@ -133,6 +133,8 @@ namespace Coffee.UIParticleInternal
 #if UNITY_EDITOR
        private string _jsonText;

+        public static bool hasInstance => s_Instance;
+
        public static T instance
        {
            get
--- a/Packages/src/Runtime/Internal/Utilities/MaterialRepository.cs
+++ b/Packages/src/Runtime/Internal/Utilities/MaterialRepository.cs
@@ -15,7 +15,7 @@ namespace Coffee.UIParticleInternal

 #if UNITY_EDITOR
        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
-        private static void Clear()
+        public static void Clear()
        {
            s_Repository.Clear();
        }
--- a/Packages/src/Runtime/Internal/Utilities/Misc.cs
+++ b/Packages/src/Runtime/Internal/Utilities/Misc.cs
@@ -3,11 +3,16 @@ using System.Diagnostics;
 using UnityEditor;
 using UnityEngine;
 using Object = UnityEngine.Object;
-#if UNITY_EDITOR && UNITY_2021_2_OR_NEWER
+#if UNITY_EDITOR
+using System.IO;
+using System.Linq;
+using System.Reflection;
+#if UNITY_2021_2_OR_NEWER
 using UnityEditor.SceneManagement;
-#elif UNITY_EDITOR
+#else
 using UnityEditor.Experimental.SceneManagement;
 #endif
+#endif

 namespace Coffee.UIParticleInternal
 {
@@ -69,6 +74,59 @@ namespace Coffee.UIParticleInternal

            return prefabStage.prefabContentsRoot.GetComponentsInChildren<T>(true);
        }
+
+        public static bool isBatchOrBuilding => Application.isBatchMode || BuildPipeline.isBuildingPlayer;
+#endif
+
+        [Conditional("UNITY_EDITOR")]
+        public static void QueuePlayerLoopUpdate()
+        {
+#if UNITY_EDITOR
+            if (!EditorApplication.isPlaying)
+            {
+                EditorApplication.QueuePlayerLoopUpdate();
+            }
+#endif
+        }
+    }
+
+#if !UNITY_2021_2_OR_NEWER
+    [AttributeUsage(AttributeTargets.Class)]
+    [Conditional("UNITY_EDITOR")]
+    internal class IconAttribute : Attribute
+    {
+        private readonly string _path;
+
+        public IconAttribute(string path)
+        {
+            _path = path;
+        }
+
+#if UNITY_EDITOR
+        private static Action<Object, Texture2D> s_SetIconForObject = typeof(EditorGUIUtility)
+            .GetMethod("SetIconForObject", BindingFlags.Static | BindingFlags.NonPublic)
+            .CreateDelegate(typeof(Action<Object, Texture2D>), null) as Action<Object, Texture2D>;
+
+        [InitializeOnLoadMethod]
+        private static void InitializeOnLoadMethod()
+        {
+            if (Misc.isBatchOrBuilding) return;
+
+            var types = TypeCache.GetTypesWithAttribute<IconAttribute>();
+            var scripts = MonoImporter.GetAllRuntimeMonoScripts();
+            foreach (var type in types)
+            {
+                var script = scripts.FirstOrDefault(x => x.GetClass() == type);
+                if (!script) continue;
+
+                var path = type.GetCustomAttribute<IconAttribute>()?._path;
+                var icon = AssetDatabase.LoadAssetAtPath<Texture2D>(path);
+                if (!icon) continue;
+
+                s_SetIconForObject(script, icon);
+            }
+        }
 #endif
    }
+#endif
 }
--- a/Packages/src/Runtime/UIParticle.cs
+++ b/Packages/src/Runtime/UIParticle.cs
@@ -17,6 +17,7 @@ namespace Coffee.UIExtensions
    /// <summary>
    /// Render maskable and sortable particle effect ,without Camera, RenderTexture or Canvas.
    /// </summary>
+    [Icon("Packages/com.coffee.ui-particle/Editor/UIParticleIcon.png")]
    [ExecuteAlways]
    [RequireComponent(typeof(RectTransform))]
    [RequireComponent(typeof(CanvasRenderer))]
@@ -119,6 +120,10 @@ namespace Coffee.UIExtensions
                 "Change the bake view size.")]
        private float m_CustomViewSize = 10;

+        [SerializeField]
+        [Tooltip("Time scale multiplier.")]
+        private float m_TimeScaleMultiplier = 1;
+
        private readonly List<UIParticleRenderer> _renderers = new List<UIParticleRenderer>();
        private Camera _bakeCamera;
        private int _groupId;
@@ -257,6 +262,15 @@ namespace Coffee.UIExtensions
            set => m_CustomViewSize = Mathf.Max(0.1f, value);
        }

+        /// <summary>
+        /// Time scale multiplier.
+        /// </summary>
+        public float timeScaleMultiplier
+        {
+            get => m_TimeScaleMultiplier;
+            set => m_TimeScaleMultiplier = value;
+        }
+
        internal bool useMeshSharing => m_MeshSharing != MeshSharing.None;

        internal bool isPrimary =>
@@ -577,12 +591,14 @@ namespace Coffee.UIExtensions
            {
                var ps = particleSystems[i];
                if (!ps) continue;
-                GetRenderer(j++).Set(this, ps, false);
+
+                var mainEmitter = ps.GetMainEmitter(particleSystems);
+                GetRenderer(j++).Set(this, ps, false, mainEmitter);

                // If the trail is enabled, set it additionally.
                if (ps.trails.enabled)
                {
-                    GetRenderer(j++).Set(this, ps, true);
+                    GetRenderer(j++).Set(this, ps, true, mainEmitter);
                }
            }
        }
--- a/Packages/src/Runtime/UIParticle.cs.meta
+++ b/Packages/src/Runtime/UIParticle.cs.meta
@@ -5,7 +5,7 @@ MonoImporter:
  serializedVersion: 2
  defaultReferences: []
  executionOrder: 0
-  icon: {fileID: 2800000, guid: 5f0675613942149309588d556e33d990, type: 3}
+  icon: {instanceID: 0}
  userData: 
  assetBundleName: 
  assetBundleVariant: 
--- a/Packages/src/Runtime/UIParticleRenderer.cs
+++ b/Packages/src/Runtime/UIParticleRenderer.cs
@@ -15,6 +15,7 @@ using UnityEngine.UI;

 namespace Coffee.UIExtensions
 {
+    [Icon("Packages/com.coffee.ui-particle/Editor/UIParticleIcon.png")]
    [ExecuteAlways]
    [RequireComponent(typeof(RectTransform))]
    [RequireComponent(typeof(CanvasRenderer))]
@@ -40,6 +41,7 @@ namespace Coffee.UIExtensions
        private Vector2Int _prevScreenSize;
        private bool _preWarm;
        private ParticleSystemRenderer _renderer;
+        private ParticleSystem _mainEmitter;

        public override Texture mainTexture => _isTrail ? null : _particleSystem.GetTextureForSprite();

@@ -112,6 +114,7 @@ namespace Coffee.UIExtensions
            _parent = null;
            _particleSystem = null;
            _renderer = null;
+            _mainEmitter = null;
            if (0 <= index)
            {
                _index = index;
@@ -223,7 +226,7 @@ namespace Coffee.UIExtensions
            return _modifiedMaterial;
        }

-        public void Set(UIParticle parent, ParticleSystem ps, bool isTrail)
+        public void Set(UIParticle parent, ParticleSystem ps, bool isTrail, ParticleSystem mainEmitter)
        {
            _parent = parent;
            maskable = parent.maskable;
@@ -246,10 +249,7 @@ namespace Coffee.UIExtensions

            ps.TryGetComponent(out _renderer);
            _renderer.enabled = false;
-
-            //_emitter = emitter;
            _isTrail = isTrail;
-
            _renderer.GetSharedMaterials(s_Materials);
            material = s_Materials[isTrail ? 1 : 0];
            s_Materials.Clear();
@@ -266,6 +266,7 @@ namespace Coffee.UIExtensions
            _prevScreenSize = new Vector2Int(Screen.width, Screen.height);
            _prevCanvasScale = canvas ? canvas.scaleFactor : 1f;
            _delay = true;
+            _mainEmitter = mainEmitter;

            canvasRenderer.SetTexture(null);

@@ -282,10 +283,6 @@ namespace Coffee.UIExtensions
                || !transform.lossyScale.GetScaled(_parent.scale3DForCalc).IsVisible() // Scale is not visible.
                || (!_particleSystem.IsAlive() && !_particleSystem.isPlaying) // No particle.
                || (_isTrail && !_particleSystem.trails.enabled) // Trail, but it is not enabled.
-#if UNITY_2018_3_OR_NEWER
-                || canvasRenderer.GetInheritedAlpha() <
-                0.01f // #102: Do not bake particle system to mesh when the alpha is zero.
-#endif
            )
            {
                Profiler.BeginSample("[UIParticleRenderer] Clear Mesh");
@@ -303,7 +300,7 @@ namespace Coffee.UIExtensions

            // Simulate particles.
            Profiler.BeginSample("[UIParticle] Bake Mesh > Simulate Particles");
-            if (!_isTrail && _parent.canSimulate)
+            if (!_isTrail && _parent.canSimulate && !_mainEmitter)
            {
 #if UNITY_EDITOR
                if (!Application.isPlaying)
@@ -314,6 +311,13 @@ namespace Coffee.UIExtensions
 #endif
                {
                    ResolveResolutionChange(psPos, scale);
+
+                    // fix: second and subsequent bursts not displayed when world simulation and non-looping. (#326)
+                    if (!_particleSystem.IsLocalSpace() && !main.loop && _particleSystem.time == 0)
+                    {
+                        _delay = true;
+                    }
+
                    Simulate(scale, _parent.isPaused || _delay);

                    if (_delay && !_parent.isPaused)
@@ -548,6 +552,24 @@ namespace Coffee.UIExtensions
                               * Matrix4x4.Scale(scale)
                               * Matrix4x4.Translate(-psPos);
                    }
+
+                    if (_mainEmitter)
+                    {
+                        if (_mainEmitter.IsLocalSpace())
+                        {
+                            return Matrix4x4.Translate(psPos)
+                                   * Matrix4x4.Scale(scale)
+                                   * Matrix4x4.Translate(-psPos);
+                        }
+                        else
+                        {
+                            psPos = _particleSystem.transform.position - _mainEmitter.transform.position;
+                            return Matrix4x4.Translate(psPos)
+                                   * Matrix4x4.Scale(scale)
+                                   * Matrix4x4.Translate(-psPos);
+                        }
+                    }
+
                    return Matrix4x4.Scale(scale);
                case ParticleSystemSimulationSpace.Custom:
                    return Matrix4x4.Translate(_particleSystem.main.customSimulationSpace.position.GetScaled(scale))
@@ -610,6 +632,7 @@ namespace Coffee.UIExtensions
                : main.useUnscaledTime
                    ? Time.unscaledDeltaTime
                    : Time.deltaTime;
+            deltaTime *= _parent.timeScaleMultiplier;

            // Pre-warm:
            if (0 < deltaTime && _preWarm)
--- a/Packages/src/Runtime/UIParticleRenderer.cs.meta
+++ b/Packages/src/Runtime/UIParticleRenderer.cs.meta
@@ -5,7 +5,7 @@ MonoImporter:
  serializedVersion: 2
  defaultReferences: []
  executionOrder: 0
-  icon: {fileID: 2800000, guid: 5f0675613942149309588d556e33d990, type: 3}
+  icon: {instanceID: 0}
  userData: 
  assetBundleName: 
  assetBundleVariant: 
--- a/Packages/src/Runtime/UIParticleUpdater.cs
+++ b/Packages/src/Runtime/UIParticleUpdater.cs
@@ -40,13 +40,26 @@ namespace Coffee.UIExtensions

 #if UNITY_EDITOR
        [InitializeOnLoadMethod]
+        private static void InitializeOnLoad()
+        {
+            UIExtraCallbacks.onAfterCanvasRebuild += Refresh;
+
+            EditorApplication.playModeStateChanged += state =>
+            {
+                UIExtraCallbacks.onAfterCanvasRebuild -= Refresh;
+                if (state == PlayModeStateChange.EnteredEditMode || state == PlayModeStateChange.EnteredPlayMode)
+                {
+                    UIExtraCallbacks.onAfterCanvasRebuild += Refresh;
+                }
+            };
+        }
 #else
        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
-#endif
        private static void InitializeOnLoad()
        {
            UIExtraCallbacks.onAfterCanvasRebuild += Refresh;
        }
+#endif

        private static void Refresh()
        {
--- a/Packages/src/Runtime/Utilities/ParticleSystemExtensions.cs
+++ b/Packages/src/Runtime/Utilities/ParticleSystemExtensions.cs
@@ -171,5 +171,32 @@ namespace Coffee.UIParticleInternal
                action.Invoke(p);
            }
        }
+
+        public static ParticleSystem GetMainEmitter(this ParticleSystem self, List<ParticleSystem> list)
+        {
+            if (!self || list == null || list.Count == 0) return null;
+
+            for (var i = 0; i < list.Count; i++)
+            {
+                var parent = list[i];
+                if (parent != self && IsSubEmitterOf(self, parent)) return parent;
+            }
+
+            return null;
+        }
+
+        public static bool IsSubEmitterOf(this ParticleSystem self, ParticleSystem parent)
+        {
+            if (!self || !parent) return false;
+
+            var subEmitters = parent.subEmitters;
+            var count = subEmitters.subEmittersCount;
+            for (var i = 0; i < count; i++)
+            {
+                if (subEmitters.GetSubEmitterSystem(i) == self) return true;
+            }
+
+            return false;
+        }
    }
 }
--- a/Packages/src/package.json
+++ b/Packages/src/package.json
@@ -2,7 +2,7 @@
  "name": "com.coffee.ui-particle",
  "displayName": "UI Particle",
  "description": "This package provides a component to render particle effects for uGUI.\nThe particle rendering is maskable and sortable, without the need for an extra Camera, RenderTexture, or Canvas.",
-  "version": "4.10.5",
+  "version": "4.11.3",
  "unity": "2018.2",
  "license": "MIT",
  "repository": {
--- a/ProjectSettings/MinimalResourceSettings.json
+++ b/ProjectSettings/MinimalResourceSettings.json
@@ -0,0 +1,11 @@
+{
+    "MonoBehaviour": {
+        "m_Enabled": true,
+        "m_EditorHideFlags": 0,
+        "m_Name": "",
+        "m_EditorClassIdentifier": "",
+        "m_OutputDllPaths": [
+            "Packages/com.coffee.ui-particle/Runtime/Coffee.UIParticle.R.dll"
+        ]
+    }
+}
Author	SHA1	Message	Date
semantic-release-bot	9d56c94636	chore(release): 4.11.3 [skip ci] ## [4.11.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.2...v4.11.3) (2025-10-14) ### Bug Fixes * fix icon ([`a9461ec`](`a9461ecb4d`)) * fix URL link in README ([`1c8c65d`](`1c8c65d25e`)), closes [#376](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/376) * fix: second and subsequent bursts not displayed when world simulation and non-looping ([`df2f3ca`](`df2f3caafb`)), closes [#326](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/326) * UIParticle in canvas with 0f-0.01f alpha value does not start to play until alpha value is greater than 0.01f, causes play calls to be delayed unintentionally if canvas alpha value is set to mentioned value range ([`38aec2e`](`38aec2ea1a`))	2025-10-14 11:53:52 +00:00
mob-sakai	fe179c0f0f	chore: update workflow	2025-10-14 19:47:54 +09:00
mob-sakai	df2f3caafb	fix: fix: second and subsequent bursts not displayed when world simulation and non-looping close #326	2025-10-14 19:43:29 +09:00
mob-sakai	1c8c65d25e	fix: fix URL link in README close #376	2025-08-08 17:57:40 +09:00
mob-sakai	a9461ecb4d	fix: fix icon	2025-06-14 09:41:44 +09:00
Serkan Şenkal	38aec2ea1a	fix: UIParticle in canvas with 0f-0.01f alpha value does not start to play until alpha value is greater than 0.01f, causes play calls to be delayed unintentionally if canvas alpha value is set to mentioned value range	2025-04-09 02:59:26 +09:00
semantic-release-bot	bb2d588e0c	chore(release): 4.11.2 [skip ci] ## [4.11.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.1...v4.11.2) (2025-03-15) ### Bug Fixes * IL2CPP build fails on older versions of Unity ([`0da6525`](`0da652520c`)) * NRE on enable ([`0cff50e`](`0cff50ef69`)), closes [#359](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/359)	2025-03-15 07:59:37 +00:00
mob-sakai	078005a1a7	chore: fix NanoMonitor link url	2025-03-15 16:58:52 +09:00
mob-sakai	0cff50ef69	fix: NRE on enable close #359	2025-03-14 19:44:02 +09:00
mob-sakai	0da652520c	fix: IL2CPP build fails on older versions of Unity	2025-03-14 19:29:41 +09:00
mob-sakai	4199492e3a	chore: update internal	2025-03-14 19:29:22 +09:00
mob-sakai	1f88bb255e	chore: fix settings icon	2025-03-14 19:24:22 +09:00
semantic-release-bot	e3791866b7	chore(release): 4.11.1 [skip ci] ## [4.11.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.0...v4.11.1) (2025-02-21) ### Bug Fixes * component icons will no longer be displayed in the scene view ([`6dfbdae`](`6dfbdae38d`))	2025-02-21 09:35:05 +00:00
mob-sakai	6dfbdae38d	fix: component icons will no longer be displayed in the scene view	2025-02-21 18:22:24 +09:00
mob-sakai	b63220b871	doc: update readme	2025-02-21 17:57:12 +09:00
semantic-release-bot	3fd2bea599	chore(release): 4.11.0 [skip ci] # [4.11.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.7...v4.11.0) (2025-02-21) ### Features * add 'TimeScaleMultiplier' option ([`925af0b`](`925af0b604`))	2025-02-21 07:17:09 +00:00
mob-sakai	925af0b604	feat: add 'TimeScaleMultiplier' option	2025-02-21 16:10:06 +09:00
semantic-release-bot	d1a1e23e50	chore(release): 4.10.7 [skip ci] ## [4.10.7](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.6...v4.10.7) (2025-01-14) ### Bug Fixes * editor crashed on exit play mode (editor, windows) ([`47ee45c`](`47ee45cbbe`)), closes [#351](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/351)	2025-01-14 11:49:21 +00:00
mob-sakai	47ee45cbbe	fix: editor crashed on exit play mode (editor, windows) close #351	2025-01-07 10:25:23 +09:00
semantic-release-bot	1b0110320b	chore(release): 4.10.6 [skip ci] ## [4.10.6](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.5...v4.10.6) (2025-01-03) ### Bug Fixes * sub-emitter particles may not render correctly in certain scenarios ([`8276684`](`8276684c3b`)), closes [#348](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/348) * sub-emitter's `inherit velocity` module doubles at runtime ([`67de3d1`](`67de3d1bd3`)), closes [#349](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/349)	2025-01-03 14:24:40 +00:00
mob-sakai	a1ca74f854	chore: update coffee.internal	2025-01-03 23:13:17 +09:00
mob-sakai	8276684c3b	fix: sub-emitter particles may not render correctly in certain scenarios close #348	2025-01-03 23:13:17 +09:00
mob-sakai	67de3d1bd3	fix: sub-emitter's `inherit velocity` module doubles at runtime close #349	2025-01-03 23:13:17 +09:00