chore(release): 4.12.1 [skip ci]

## [4.12.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.12.0...v4.12.1) (2026-03-24)

### Bug Fixes

* ignore "EditorOnly" tagged gameObjects on refresh ([031d46a](031d46a321))

.editorconfig

@@ -0,0 +1,212 @@
+root = true
+
+[*.json]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.asmdef]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+# C# files
+[*.cs]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+csharp_style_namespace_declarations = block_scoped
+csharp_style_implicit_object_creation_when_type_is_apparent = false
+resharper_object_creation_when_type_evident = explicitly_typed
+
+# Keep
+csharp_keep_existing_attribute_arrangement = true
+csharp_keep_existing_embedded_arrangement = true
+csharp_keep_user_linebreaks = true
+csharp_keep_existing_linebreaks = true
+csharp_place_simple_embedded_statement_on_same_line = false
+csharp_place_simple_blocks_on_single_line = false
+csharp_keep_existing_initializer_arrangement = true
+csharp_keep_existing_arrangement = true
+
+# Standard properties
+end_of_line = lf
+insert_final_newline = true
+
+# Brace preferences
+csharp_brace_style = next_line
+csharp_braces_for_ifelse = required_for_multiline_statement
+csharp_braces_for_for = required
+csharp_braces_for_foreach = required
+csharp_braces_for_while = required
+csharp_braces_for_dowhile = required
+csharp_braces_for_using = required
+csharp_case_block_braces = next_line
+csharp_initializer_braces = next_line
+
+# New line preferences
+csharp_new_line_before_open_brace = all
+csharp_new_line_before_else = true
+csharp_new_line_before_catch = true
+csharp_new_line_before_finally = true
+csharp_new_line_before_members_in_object_initializers = true
+csharp_new_line_before_members_in_anonymous_types = true
+csharp_new_line_between_query_expression_clauses = true
+
+# Indentation preferences
+csharp_indent_block_contents = true
+csharp_indent_braces = false
+csharp_indent_case_contents = true
+csharp_indent_case_contents_when_block = false
+csharp_indent_switch_labels = true
+csharp_indent_labels = one_less_than_current
+
+# Modifier preferences
+csharp_preferred_modifier_order = public,private,protected,internal,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,volatile,async:suggestion
+
+# avoid this. unless absolutely necessary
+dotnet_style_qualification_for_field = false:suggestion
+dotnet_style_qualification_for_property = false:suggestion
+dotnet_style_qualification_for_method = false:suggestion
+dotnet_style_qualification_for_event = false:suggestion
+
+# Types: use keywords instead of BCL types, and permit var only when the type is clear
+csharp_style_var_for_built_in_types = true:suggestion
+csharp_style_var_when_type_is_apparent = true:none
+csharp_style_var_elsewhere = true:suggestion
+dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
+dotnet_style_predefined_type_for_member_access = true:suggestion
+
+# 
+resharper_keep_existing_embedded_arrangement = true
+
+# Arguments
+csharp_arguments_literal = named:suggestion
+csharp_arguments_string_literal = named:suggestion
+
+# Naming: public and protected fields -> camelCase
+dotnet_naming_rule.protected_public_fields.severity = suggestion
+dotnet_naming_rule.protected_public_fields.symbols = protected_public_fields
+dotnet_naming_rule.protected_public_fields.style = camel_case
+dotnet_naming_symbols.protected_public_fields.applicable_kinds = field, event
+dotnet_naming_symbols.protected_public_fields.applicable_accessibilities = public, protected
+dotnet_naming_style.camel_case.capitalization = camel_case
+
+# Naming: properties -> camelCase
+dotnet_naming_rule.properties.severity = suggestion
+dotnet_naming_rule.properties.symbols = properties
+dotnet_naming_rule.properties.style = camel_case
+dotnet_naming_symbols.properties.applicable_kinds = property
+
+# Naming: constant fields -> k_PascalCase
+dotnet_naming_rule.constant_fields.severity = suggestion
+dotnet_naming_rule.constant_fields.symbols = constant_fields
+dotnet_naming_rule.constant_fields.style = k_pascal_case
+dotnet_naming_symbols.constant_fields.applicable_kinds = field
+dotnet_naming_symbols.constant_fields.required_modifiers = const
+dotnet_naming_style.k_pascal_case.required_prefix = k_
+dotnet_naming_style.k_pascal_case.capitalization = pascal_case
+
+# Naming: static fields -> s_PascalCase
+dotnet_naming_rule.static_fields_should_have_prefix.severity = suggestion
+dotnet_naming_rule.static_fields_should_have_prefix.symbols = static_fields
+dotnet_naming_rule.static_fields_should_have_prefix.style = s_pascal_case
+dotnet_naming_symbols.static_fields.applicable_kinds = field, property
+dotnet_naming_symbols.static_fields.required_modifiers = static
+dotnet_naming_symbols.static_fields.applicable_accessibilities = private, internal, private_protected
+dotnet_naming_style.s_pascal_case.required_prefix = s_
+dotnet_naming_style.s_pascal_case.capitalization = pascal_case
+
+# Naming: internal and private fields -> _camelCase
+dotnet_naming_rule.private_internal_fields.severity = suggestion
+dotnet_naming_rule.private_internal_fields.symbols = private_internal_fields
+dotnet_naming_rule.private_internal_fields.style = _camel_case
+dotnet_naming_symbols.private_internal_fields.applicable_kinds = field
+dotnet_naming_symbols.private_internal_fields.applicable_accessibilities = private, internal
+dotnet_naming_style._camel_case.required_prefix = _
+dotnet_naming_style._camel_case.capitalization = camel_case
+
+# Code style defaults
+dotnet_sort_system_directives_first = true
+csharp_preserve_single_line_statements = false
+csharp_prefer_static_local_function = true:suggestion
+csharp_prefer_simple_using_statement = false:none
+csharp_style_prefer_switch_expression = true:suggestion
+dotnet_style_readonly_field = true:suggestion
+
+# Expression-level preferences
+dotnet_style_object_initializer = true:suggestion
+dotnet_style_collection_initializer = true:suggestion
+dotnet_style_explicit_tuple_names = true:suggestion
+dotnet_style_coalesce_expression = true:suggestion
+dotnet_style_null_propagation = true:suggestion
+dotnet_style_prefer_is_null_check_over_reference_equality_method = true:suggestion
+dotnet_style_prefer_inferred_tuple_names = true:suggestion
+dotnet_style_prefer_inferred_anonymous_type_member_names = true:suggestion
+dotnet_style_prefer_auto_properties = true:suggestion
+dotnet_style_prefer_conditional_expression_over_assignment = true:silent
+dotnet_style_prefer_conditional_expression_over_return = true:silent
+csharp_prefer_simple_default_expression = true:suggestion
+
+# Expression-bodied members
+csharp_style_expression_bodied_accessors = when_on_single_line:suggestion
+csharp_style_expression_bodied_methods = false:suggestion
+csharp_style_expression_bodied_constructors = false:suggestion
+csharp_style_expression_bodied_operators = false:suggestion
+csharp_style_expression_bodied_properties = when_on_single_line:suggestion
+csharp_style_expression_bodied_indexers = false:suggestion
+csharp_style_expression_bodied_lambdas = when_on_single_line:silent
+csharp_style_expression_bodied_local_functions = false:suggestion
+
+# Pattern matching
+csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
+csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
+csharp_style_inlined_variable_declaration = true:suggestion
+
+# Null checking preferences
+csharp_style_throw_expression = true:suggestion
+csharp_style_conditional_delegate_call = true:suggestion
+
+# Other features
+csharp_style_prefer_index_operator = false:none
+csharp_style_prefer_range_operator = false:none
+csharp_style_pattern_local_over_anonymous_function = false:none
+
+# Space preferences
+csharp_space_after_cast = false
+csharp_space_after_colon_in_inheritance_clause = true
+csharp_space_after_comma = true
+csharp_space_after_dot = false
+csharp_space_after_keywords_in_control_flow_statements = true
+csharp_space_after_semicolon_in_for_statement = true
+csharp_space_around_binary_operators = before_and_after
+csharp_space_around_declaration_statements = false
+csharp_space_before_colon_in_inheritance_clause = true
+csharp_space_before_comma = false
+csharp_space_before_dot = false
+csharp_space_before_open_square_brackets = false
+csharp_space_before_semicolon_in_for_statement = false
+csharp_space_between_empty_square_brackets = false
+csharp_space_between_method_call_empty_parameter_list_parentheses = false
+csharp_space_between_method_call_name_and_opening_parenthesis = false
+csharp_space_between_method_call_parameter_list_parentheses = false
+csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
+csharp_space_between_method_declaration_name_and_open_parenthesis = false
+csharp_space_between_method_declaration_parameter_list_parentheses = false
+csharp_space_between_parentheses = false
+csharp_space_between_square_brackets = false
+
+# ReSharper inspection severities
+resharper_check_namespace_highlighting = none
+resharper_for_can_be_converted_to_foreach_highlighting = none
+resharper_xmldoc_indent_text = ZeroIndent

.github/workflows/release.yml

@@ -1,24 +1,101 @@
-name: release
+name: 🔖 Release
+run-name: 🔖 Release (${{ github.ref_name }})
 
 on:
+  workflow_dispatch:
   push:
     branches:
-      - preview
-      - main
-      - v*.x
+      - release
+      - release-*
     tags-ignore:
       - "**"
 
 jobs:
   release:
+    name: 🔖 Release (${{ github.ref_name }})
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+      issues: write
+    outputs:
+      channel: ${{ steps.release.outputs.new_release_channel }}
+      released: ${{ steps.release.outputs.new_release_published }}
+      tag: ${{ steps.release.outputs.new_release_git_tag }}
+      version: ${{ steps.release.outputs.new_release_version }}
+      merge_to: ${{ steps.summary.outputs.merge_to }}
+      split_to: ${{ steps.summary.outputs.split_to }}
     steps:
-      - uses: actions/checkout@v3
+      - name: 🚚 Checkout (${{ github.ref_name }})
+        uses: actions/checkout@v5
 
-      - uses: cycjimmy/semantic-release-action@v3
+      - name: 🔖 Run semantic release
+        uses: cycjimmy/semantic-release-action@v5
+        id: release
         with:
+          working_directory: Packages/src
           extra_plugins: |
             @semantic-release/changelog
             @semantic-release/git
         env:
-          GITHUB_TOKEN: ${{ github.token }}
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+
+      - id: summary
+        run: |
+          echo "🔖 New release published: '${{ steps.release.outputs.new_release_published }}'" | tee -a $GITHUB_STEP_SUMMARY
+          echo "🔖 New release version: '${{ steps.release.outputs.new_release_version }}'" | tee -a $GITHUB_STEP_SUMMARY
+          echo "🔖 New release channel: '${{ steps.release.outputs.new_release_channel }}'" | tee -a $GITHUB_STEP_SUMMARY
+          echo "🔖 New release git tag: '${{ steps.release.outputs.new_release_git_tag }}'" | tee -a $GITHUB_STEP_SUMMARY
+          
+          if [ '${{ steps.release.outputs.new_release_published }}' = 'false' ]; then
+            echo "No new release published." | tee -a $GITHUB_STEP_SUMMARY
+          elif [ '${{ github.ref_name }}' = 'release' ]; then
+            echo "merge_to=develop" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
+            echo "split_to=main" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
+          else
+            channel=$(echo ${{ github.ref_name }} | sed 's/^release-//')
+            echo "merge_to=develop-${channel}" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
+            echo "split_to=${channel}" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
+          fi
+
+  merge-to:
+    if: needs.release.outputs.merge_to != ''
+    needs: release
+    name: 🔀 Merge to ${{ needs.release.outputs.merge_to }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: 🚚 Checkout (${{ needs.release.outputs.merge_to }})
+        uses: actions/checkout@v5
+        with:
+          ref: ${{ needs.release.outputs.merge_to }}
+          fetch-depth: 0
+      - name: 🔀 Merge '${{ needs.release.outputs.tag }}' into '${{ needs.release.outputs.merge_to }}'
+        run: |
+          git config --local user.email "github-actions[bot]@users.noreply.github.com"
+          git config --local user.name "github-actions[bot]"
+          
+          git merge ${{ needs.release.outputs.tag }}
+          git push origin ${{ needs.release.outputs.merge_to }}
+
+  split-to:
+    if: needs.release.outputs.split_to != ''
+    needs: release
+    name: 🔀 Split package to ${{ needs.release.outputs.split_to }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: 🚚 Checkout (${{ needs.release.outputs.tag }})
+        uses: actions/checkout@v5
+        with:
+          ref: ${{ needs.release.outputs.tag }}
+          fetch-depth: 0
+      - name: 🔀 Split subtree 'Packages/src' to '${{ needs.release.outputs.split_to }}'
+        run: |
+          split_to=${{ needs.release.outputs.split_to }}
+          git branch $split_to origin/$split_to
+          git subtree split --prefix=Packages/src --branch $split_to
+          git tag ${{ needs.release.outputs.version }} $split_to
+          git push origin ${{ needs.release.outputs.version }} $split_to:$split_to

.github/workflows/test.yml

@@ -1,69 +1,128 @@
-# Secrets
-#   UNITY_LICENSE:
-name: test
+# Required secrets
+#   UNITY_LICENSE: The contents of Unity license file
+#   UNITY_EMAIL: Unity user email to login
+#   UNITY_PASSWORD: Unity user password to login
+name: 🧪 Test
+run-name: 🧪 Test (${{ github.event.pull_request.title || github.ref_name }})
+
+env:
+  # MINIMUM_VERSION: The minimum version of Unity.
+  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:
+    inputs:
+      usePeriodVersions:
+        description: "Use the period versions (.0f1, .10f1, 20f1, ...)."
+        required: false
+        default: "true"
   push:
     branches:
       - develop
+      - "develop-*"
     tags:
       - "!*"
-  pull_request:
+    paths-ignore:
+      - "**.md"
+  pull_request_target:
     types:
       - opened
+      - reopened
       - synchronize
+    paths-ignore:
+      - "**.md"
 
 jobs:
   setup:
+    name: ⚙️ Setup
     runs-on: ubuntu-latest
     outputs:
-      versions: ${{ steps.setup.outputs.versions }}
+      unityVersions: ${{ steps.setup.outputs.unityVersions }}
     steps:
-      - id: setup
+      - name: ⚙️ Find target Unity versions
+        id: setup
         run: |
-          VERSIONS=`npx unity-changeset list --versions --all --latest-patch --min 2018.3 --json`
           echo "==== Target Unity Versions ===="
-          echo "${VERSIONS}"
-          echo "::set-output name=versions::${VERSIONS}"
+          LATEST_VERSIONS=`npx unity-changeset@latest list --versions --latest-patch --min ${MINIMUM_VERSION} --json --all`
+          if [ "${{ inputs.usePeriodVersions }}" = "true" ]; then
+            ADDITIONAL_VERSIONS=`npx unity-changeset list --versions --grep '0f' --min ${MINIMUM_VERSION} --json`
+          else
+            ADDITIONAL_VERSIONS=[]
+          fi
+
+          VERSIONS=`echo "[${LATEST_VERSIONS}, ${ADDITIONAL_VERSIONS}]" \
+            | jq -c '[ flatten | sort | unique | .[] | select( test("${{ env.EXCLUDE_FILTER }}") | not ) ]'`
+          echo "unityVersions=${VERSIONS}" | tee $GITHUB_OUTPUT
 
   test:
+    name: 🧪 Run tests
     runs-on: ubuntu-latest
+    permissions:
+      checks: write
+      contents: read
     needs: setup
     strategy:
       fail-fast: false
+      max-parallel: 6
       matrix:
-        version: ${{ fromJson(needs.setup.outputs.versions) }}
-
+        unityVersion: ${{ fromJson(needs.setup.outputs.unityVersions) }}
     steps:
-      # Checkout sandbox project
-      - uses: actions/checkout@v3
+      - name: 🚚 Checkout ($${{ github.ref }})
+        if: github.event_name == 'push'
+        uses: actions/checkout@v5
+
+      - name: 🚚 Checkout pull request (pull_request_target)
+        if: github.event_name == 'pull_request_target'
+        uses: actions/checkout@v5
         with:
-          ref: sandbox
-          submodules: true
+          ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 0
 
-      # Update package submodule
-      - name: "Update package submodule"
-        working-directory: Packages/dev
-        run: git checkout ${{ github.sha }}
+      - name: 🚚 Marge pull request (pull_request_target)
+        if: github.event_name == 'pull_request_target'
+        run: |
+          git config user.name "GitHub Actions"
+          git config user.email "actions@github.com"
+          git rebase ${{ github.event.pull_request.base.sha }}
+          git log --oneline -n 10
 
-      # Cache
-      - uses: actions/cache@v3
+      - name: 📥 Cache library
+        uses: actions/cache@v4
         with:
-          path: Library
-          key: Library-${{ matrix.version }}-${{ 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.version }}-
-            Library-
+            ${{ env.PROJECT_PATH }}-Library-${{ matrix.unityVersion }}-
+            ${{ env.PROJECT_PATH }}-Library-
 
-      # Run tests
-      - name: "Run tests"
-        uses: game-ci/unity-test-runner@v2
+      - name: 🛠️ Build Unity Project (Test)
+        uses: game-ci/unity-builder@main
+        timeout-minutes: 45
         with:
-          customImage: mobsakai/unity3d:${{ matrix.version }}
+          customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
+          targetPlatform: StandaloneLinux64
+          allowDirtyBuild: true
           customParameters: -nographics
-          # unityVersion: ${{ matrix.version }}
-          checkName: ${{ matrix.version }} Test Results
-          githubToken: ${{ github.token }}
+          projectPath: ${{ env.PROJECT_PATH }}
         env:
+          UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
+          UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
+          UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
+
+      - name: 🧪 Run tests
+        uses: game-ci/unity-test-runner@v4
+        timeout-minutes: 45
+        with:
+          customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
+          # unityVersion: ${{ matrix.unityVersion }}
+          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 }}
           UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}

.gitignore

@@ -0,0 +1,31 @@
+# Windows
+Thumbs.db
+Desktop.ini
+/*.csproj
+/*.sln
+
+# macOS
+.DS_Store
+
+# Vim
+*.swp
+
+# Unity
+/Logs
+/Library
+/Temp
+Assets/Plugins.meta
+Assets/JMO Assets.meta
+Assets/JMO Assets
+Assets/EffectExamples/
+Assets/EffectExamples.meta
+Assets/Plugins/
+
+# VS
+.vs/
+.vscode/
+.idea/
+obj/
+bin/
+UserSettings/
+*.app

Assets/Demo.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: f0b370726e57248da97c1c2f3bfd8bdf
+guid: 7c9f7735cc2f24a7ca1c23043e63a6be
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}

Assets/Demo/Cartoon FX & War FX Demo/CFXRF Demo.unity.meta

@@ -1,4 +1,4 @@
 fileFormatVersion: 2
-guid: a81f9cd434f104e1fad7ffa20eb7a3d4
+guid: e34a092899a9547189add96707de1b5a
 DefaultImporter:
   userData: 

Assets/Demo/Cartoon FX & War FX Demo/CFX_Demo_With_UIParticle.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Linq;
 using System.Reflection;
 using UnityEngine;
@@ -11,6 +11,7 @@ namespace Coffee.UIExtensions.Demo
     public class CFX_Demo_With_UIParticle : MonoBehaviour
     {
         private MonoBehaviour _demo;
+        private string _demoType;
         private Toggle _spawnOnUI;
         private UIParticle _uiParticle;
 
@@ -20,7 +21,9 @@ namespace Coffee.UIExtensions.Demo
             _uiParticle = GetComponentInChildren<UIParticle>();
             _spawnOnUI = GetComponentInChildren<Toggle>();
             _demo = FindObjectOfType("CFX_Demo_New") as MonoBehaviour
-                    ?? FindObjectOfType("WFX_Demo_New") as MonoBehaviour;
+                    ?? FindObjectOfType("WFX_Demo_New") as MonoBehaviour
+                    ?? FindObjectOfType("CFXR_Demo") as MonoBehaviour;
+            _demoType = _demo?.GetType().Name;
 
             SetCanvasWidth(800);
             SetCanvasRenderOverlay(true);
@@ -31,18 +34,44 @@ namespace Coffee.UIExtensions.Demo
         {
             if (!_spawnOnUI.isOn || !_demo || !Input.GetMouseButtonDown(0)) return;
 
-            foreach (Transform child in _uiParticle.transform)
+            if (_demoType == "CFX_Demo_New" || _demoType == "WFX_Demo_New")
             {
-                Destroy(child.gameObject);
+                SpawnParticleCFX();
+            }
+            else if (_demoType == "CFXR_Demo")
+            {
+                SpawnParticleCFXR();
+            }
+        }
+
+        private void SpawnParticleCFXR()
+        {
+            var particle = _demo.GetType()
+                .GetField("currentEffect", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public)
+                ?.GetValue(_demo) as GameObject;
+            if (!particle) return;
+
+            var instance = Instantiate(particle);
+            foreach (var c in instance.GetComponentsInChildren<MonoBehaviour>())
+            {
+                if (c.GetType().Name == "CFXR_Effect")
+                {
+                    c.enabled = false;
+                }
             }
 
+            _uiParticle.SetParticleSystemInstance(instance, true);
+        }
+
+        private void SpawnParticleCFX()
+        {
             var particle = _demo.GetType()
                 .GetMethod("spawnParticle", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public)
                 ?.Invoke(_demo, Array.Empty<object>()) as GameObject;
             if (!particle) return;
 
             particle.transform.localScale = Vector3.one;
-            _uiParticle.SetParticleSystemInstance(particle);
+            _uiParticle.SetParticleSystemInstance(particle, true);
         }
 
         private static Object FindObjectOfType(string typeName)
@@ -51,7 +80,11 @@ namespace Coffee.UIExtensions.Demo
                 .SelectMany(x => x.GetTypes())
                 .FirstOrDefault(x => x.Name == typeName);
 
+#if UNITY_2023_2_OR_NEWER
+            return type == null ? null : FindFirstObjectByType(type);
+#else
             return type == null ? null : FindObjectOfType(type);
+#endif
         }
 
         public void SetCanvasWidth(int width)

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Assets/Demo/CustomView/UI-Color.shader

@@ -0,0 +1,177 @@
+Shader "UI/Color"
+{
+    Properties
+    {
+        _MainTex ("Main Texture", 2D) = "white" {}
+        _Color ("Tint", Color) = (1,1,1,1)
+        [KeywordEnum(Multipry, Additive, Subtract, Fill)] _ColorMode ("Color Mode", Int) = 0
+        [Enum(UnityEngine.Rendering.BlendMode)] _SrcBlend ("Src Blend Mode", Int) = 1
+        [Enum(UnityEngine.Rendering.BlendMode)] _DstBlend ("Dst Blend Mode", Int) = 10
+
+        _StencilComp ("Stencil Comparison", Float) = 8
+        _Stencil ("Stencil ID", Float) = 0
+        _StencilOp ("Stencil Operation", Float) = 0
+        _StencilWriteMask ("Stencil Write Mask", Float) = 255
+        _StencilReadMask ("Stencil Read Mask", Float) = 255
+
+        _ColorMask ("Color Mask", Float) = 15
+
+        [Toggle(UNITY_UI_ALPHACLIP)] _UseUIAlphaClip ("Use Alpha Clip", Float) = 0
+    }
+
+    SubShader
+    {
+        Tags
+        {
+            "Queue"="Transparent"
+            "IgnoreProjector"="True"
+            "RenderType"="Transparent"
+            "PreviewType"="Plane"
+            "CanUseSpriteAtlas"="True"
+        }
+
+        Stencil
+        {
+            Ref [_Stencil]
+            Comp [_StencilComp]
+            Pass [_StencilOp]
+            ReadMask [_StencilReadMask]
+            WriteMask [_StencilWriteMask]
+        }
+
+        Cull Off
+        Lighting Off
+        ZWrite Off
+        ZTest [unity_GUIZTestMode]
+        Blend [_SrcBlend] [_DstBlend]
+        ColorMask [_ColorMask]
+
+        Pass
+        {
+            Name "Default"
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            #pragma target 2.0
+
+            #include "UnityCG.cginc"
+            #include "UnityUI.cginc"
+
+            #pragma multi_compile_local _ UNITY_UI_CLIP_RECT
+            #pragma multi_compile_local _ UNITY_UI_ALPHACLIP
+
+            sampler2D _MainTex;
+            fixed4 _Color;
+            fixed4 _TextureSampleAdd;
+            float4 _ClipRect;
+            float4 _MainTex_ST;
+            float _UIMaskSoftnessX;
+            float _UIMaskSoftnessY;
+            int _UIVertexColorAlwaysGammaSpace;
+            int _ColorMode;
+
+            struct appdata_t
+            {
+                float4 vertex : POSITION;
+                float4 color : COLOR;
+                float2 texcoord : TEXCOORD0;
+                UNITY_VERTEX_INPUT_INSTANCE_ID
+            };
+
+            struct v2f
+            {
+                float4 vertex : SV_POSITION;
+                fixed4 color : COLOR;
+                float2 texcoord : TEXCOORD0;
+                float4 worldPosition : TEXCOORD1;
+                float4 mask : TEXCOORD2;
+                UNITY_VERTEX_OUTPUT_STEREO
+            };
+
+            v2f vert(appdata_t v)
+            {
+                v2f OUT;
+                UNITY_SETUP_INSTANCE_ID(v);
+                UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(OUT);
+                float4 vPosition = UnityObjectToClipPos(v.vertex);
+                OUT.worldPosition = v.vertex;
+                OUT.vertex = vPosition;
+
+                float2 pixelSize = vPosition.w;
+                pixelSize /= float2(1, 1) * abs(mul((float2x2)UNITY_MATRIX_P, _ScreenParams.xy));
+
+                float4 clampedRect = clamp(_ClipRect, -2e10, 2e10);
+                float2 maskUV = (v.vertex.xy - clampedRect.xy) / (clampedRect.zw - clampedRect.xy);
+                OUT.texcoord = TRANSFORM_TEX(v.texcoord.xy, _MainTex);
+                OUT.mask = float4(v.vertex.xy * 2 - clampedRect.xy - clampedRect.zw,
+                                  0.25 / (0.25 * half2(_UIMaskSoftnessX, _UIMaskSoftnessY) + abs(pixelSize.xy)));
+
+                if (_UIVertexColorAlwaysGammaSpace)
+                {
+                    if (!IsGammaSpace())
+                    {
+                        v.color.rgb = GammaToLinearSpace(v.color.rgb);
+                    }
+                }
+
+                OUT.color = v.color * _Color;
+                return OUT;
+            }
+
+            half4 apply_color(half4 color, const half4 factor, const int mode)
+            {
+                const half3 c = factor.rgb * color.a;
+                // Mode 1: Additive
+                if (mode == 1)
+                {
+                    color.rgb += c;
+                }
+                // Mode 2: Subtract
+                else if (mode == 2)
+                {
+                    color.rgb -= c;
+                }
+                // Mode 3: Replace
+                else if (mode == 3)
+                {
+                    color.rgb = c;
+                }
+                // Default: Multiply
+                else
+                {
+                    color.rgb *= c;
+                }
+
+                return color * factor.a;
+            }
+
+            fixed4 frag(v2f IN) : SV_Target
+            {
+                //Round up the alpha color coming from the interpolator (to 1.0/256.0 steps)
+                //The incoming alpha could have numerical instability, which makes it very sensible to
+                //HDR color transparency blend, when it blends with the world's texture.
+                const half alphaPrecision = half(0xff);
+                const half invAlphaPrecision = half(1.0 / alphaPrecision);
+                float2 uv = IN.texcoord;
+
+                IN.color.a = round(IN.color.a * alphaPrecision) * invAlphaPrecision;
+                half4 color = tex2D(_MainTex, uv) + _TextureSampleAdd;
+
+                #if UNITY_UI_CLIP_RECT
+                half2 m = saturate((_ClipRect.zw - _ClipRect.xy - abs(IN.mask.xy)) * IN.mask.zw);
+                color.a *= m.x * m.y;
+                #endif
+
+                #if UNITY_UI_ALPHACLIP
+                clip (color.a - 0.001);
+                #endif
+
+                // Apply color mode.
+                color = apply_color(color, IN.color, _ColorMode);
+
+                return color;
+            }
+            ENDCG
+        }
+    }
+}

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Assets/Demo/Performance Demo/Scripts/UIParticle_PerformanceDemo.cs

@@ -1,4 +1,5 @@
-using UnityEngine;
+using Coffee.UIParticleInternal;
+using UnityEngine;
 using UnityEngine.Serialization;
 
 namespace Coffee.UIExtensions.Demo
@@ -46,7 +47,7 @@ namespace Coffee.UIExtensions.Demo
 
             if (!flag)
             {
-                foreach (var ps in FindObjectsOfType<ParticleSystem>())
+                foreach (var ps in Misc.FindObjectsOfType<ParticleSystem>())
                 {
                     ps.Play(false);
                 }
@@ -75,7 +76,7 @@ namespace Coffee.UIExtensions.Demo
 
         public void ParticleSystem_SetScale(float scale)
         {
-            foreach (var ps in FindObjectsOfType<ParticleSystem>())
+            foreach (var ps in Misc.FindObjectsOfType<ParticleSystem>())
             {
                 ps.transform.localScale = new Vector3(scale, scale, scale);
             }

Assets/ProjectSettings.meta

@@ -1,5 +1,5 @@
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   externalObjects: {}

Assets/ProjectSettings/NanoMonitor.asset

@@ -0,0 +1,41 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
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+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
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+  m_InstantiateOnLoad: 1
+  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:
+      m_Path: UnityEngine.Screen, UnityEngine.CoreModule;width
+    m_Arg1:
+      m_Path: UnityEngine.Screen, UnityEngine.CoreModule;height
+    m_Arg2:
+      m_Path: 
+  - m_Format: UIParticles:{0} Materials:{1}
+    m_Arg0:
+      m_Path: Coffee.UIExtensions.UIParticleUpdater, Coffee.UIParticle;uiParticleCount
+    m_Arg1:
+      m_Path: Coffee.UIParticleInternal.MaterialRepository, Coffee.UIParticle;count
+    m_Arg2:
+      m_Path: 

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Assets/ProjectSettings/UIParticleProjectSettings.asset

@@ -0,0 +1,16 @@
+%YAML 1.1
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+  m_Script: {fileID: 11500000, guid: f22a23b9d98e440478697f4adf30e61c, type: 3}
+  m_Name: UIParticleProjectSettings
+  m_EditorClassIdentifier: 
+  m_EnableLinearToGamma: 1
+  m_HideGeneratedObjects: 1

Assets/ProjectSettings/UIParticleProjectSettings.asset.meta

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Assets/Samples

@@ -0,0 +1 @@
+../Packages/src/Samples~

Assets/Samples.meta

@@ -1,5 +1,5 @@
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+guid: 2132c9464acf94912a959f8cc6a68fa6
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Assets/Tests.meta

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Assets/Tests/Coffee.UIParticle.Tests.asmdef

@@ -1,7 +1,11 @@
 {
-    "name": "Coffee.NanoMonitor",
-    "references": [],
-    "optionalUnityReferences": [],
+    "name": "Coffee.UIParticle.Tests",
+    "references": [
+        "Coffee.UIParticle"
+    ],
+    "optionalUnityReferences": [
+        "TestAssemblies"
+    ],
     "includePlatforms": [],
     "excludePlatforms": [],
     "allowUnsafeCode": false,

Assets/Tests/Coffee.UIParticle.Tests.asmdef.meta

@@ -1,5 +1,5 @@
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Assets/Tests/Editor.meta

@@ -0,0 +1,8 @@
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+  userData: 
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Assets/Tests/Editor/Coffee.UIParticle.Editor.Tests.asmdef

@@ -0,0 +1,19 @@
+{
+    "name": "Coffee.UIParticle.Editor.Tests",
+    "references": [
+        "Coffee.UIParticle",
+        "Coffee.UIParticle.Editor"
+    ],
+    "optionalUnityReferences": [
+        "TestAssemblies"
+    ],
+    "includePlatforms": [
+        "Editor"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": false,
+    "defineConstraints": []
+}

Assets/Tests/Editor/Coffee.UIParticle.Editor.Tests.asmdef.meta

@@ -1,6 +1,6 @@
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   userData: 
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Assets/Tests/Editor/NewTestScript.cs

@@ -0,0 +1,31 @@
+using System.Collections;
+using Coffee.UIParticleInternal;
+using NUnit.Framework;
+using UnityEngine;
+using UnityEngine.TestTools;
+
+namespace Coffee.UIParticle.Editor.Tests
+{
+    public class NewTestScript
+    {
+        [TestCase(-1)]
+        [TestCase(0)]
+        [TestCase(2048)]
+        [TestCase(3000)]
+        public void GetParticleArray(int requiredSize)
+        {
+            var array = ParticleSystemExtensions.GetParticleArray(requiredSize);
+            Debug.Log($"requiredSize: {requiredSize}, array.Length: {array.Length}");
+        }
+
+        // A UnityTest behaves like a coroutine in Play Mode. In Edit Mode you can use
+        // `yield return null;` to skip a frame.
+        [UnityTest]
+        public IEnumerator NewTestScriptWithEnumeratorPasses()
+        {
+            // Use the Assert class to test conditions.
+            // Use yield to skip a frame.
+            yield return null;
+        }
+    }
+}

Assets/Tests/Editor/NewTestScript.cs.meta

@@ -1,5 +1,5 @@
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Assets/Tests/NewTestScript.cs

@@ -0,0 +1,26 @@
+using System.Collections;
+using NUnit.Framework;
+using UnityEngine.TestTools;
+
+namespace Coffee.UIParticle.Tests
+{
+    public class NewTestScript
+    {
+        // A Test behaves as an ordinary method
+        [Test]
+        public void NewTestScriptSimplePasses()
+        {
+            // Use the Assert class to test conditions
+        }
+
+        // A UnityTest behaves like a coroutine in Play Mode. In Edit Mode you can use
+        // `yield return null;` to skip a frame.
+        [UnityTest]
+        public IEnumerator NewTestScriptWithEnumeratorPasses()
+        {
+            // Use the Assert class to test conditions.
+            // Use yield to skip a frame.
+            yield return null;
+        }
+    }
+}

Assets/Tests/NewTestScript.cs.meta

@@ -1,5 +1,5 @@
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CONTRIBUTING.md

@@ -1,30 +0,0 @@
-# Contributing
-
-## How to Contribute
-
-#### Code of Conduct
-
-This repository has adopted the Contributor Covenant as it's
-Code of Conduct. It is expected that participants adhere to it.
-
-#### Proposing a Change
-
-If you are unsure about whether or not a change is desired,
-you can create an issue. This is useful because it creates
-the possibility for a discussion that's visible to everyone.
-
-When fixing a bug it is fine to submit a pull request right away.
-
-#### Sending a Pull Request
-
-Steps to be performed to submit a pull request:
-
-1. Fork the repository and create your branch from `develop`.
-2. If you have fixed a bug or added code that should be tested, add tests.
-3. Click `Window > Generals > Test Runner` to test
-4. Commit with a massage based on [Angular Commit Message Conventions](https://gist.github.com/stephenparish/9941e89d80e2bc58a153).
-5. Fill out the description, link any related issues and submit your pull request.
-
-#### License
-
-By contributing to this repository, you agree that your contributions will be licensed under its MIT license.

Packages/manifest.json

@@ -0,0 +1,11 @@
+{
+  "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",
+    "com.unity.modules.animation": "1.0.0",
+    "com.unity.modules.physics": "1.0.0"
+  }
+}

Packages/packages-lock.json

@@ -0,0 +1,108 @@
+{
+  "dependencies": {
+    "com.coffee.development": {
+      "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/Development",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {},
+      "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",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {
+        "com.unity.ugui": "1.0.0"
+      },
+      "hash": "3c280f1a8f4db5038b881ff07f270efd9638fa31"
+    },
+    "com.coffee.ui-particle": {
+      "version": "file:src",
+      "depth": 0,
+      "source": "embedded",
+      "dependencies": {
+        "com.unity.ugui": "1.0.0",
+        "com.unity.modules.particlesystem": "1.0.0"
+      }
+    },
+    "com.unity.ext.nunit": {
+      "version": "1.0.6",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {},
+      "url": "https://packages.unity.com"
+    },
+    "com.unity.ide.rider": {
+      "version": "3.0.31",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.ext.nunit": "1.0.6"
+      },
+      "url": "https://packages.unity.com"
+    },
+    "com.unity.test-framework": {
+      "version": "1.1.33",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.ext.nunit": "1.0.6",
+        "com.unity.modules.imgui": "1.0.0",
+        "com.unity.modules.jsonserialize": "1.0.0"
+      },
+      "url": "https://packages.unity.com"
+    },
+    "com.unity.ugui": {
+      "version": "1.0.0",
+      "depth": 1,
+      "source": "builtin",
+      "dependencies": {
+        "com.unity.modules.ui": "1.0.0",
+        "com.unity.modules.imgui": "1.0.0"
+      }
+    },
+    "com.unity.modules.animation": {
+      "version": "1.0.0",
+      "depth": 0,
+      "source": "builtin",
+      "dependencies": {}
+    },
+    "com.unity.modules.imgui": {
+      "version": "1.0.0",
+      "depth": 1,
+      "source": "builtin",
+      "dependencies": {}
+    },
+    "com.unity.modules.jsonserialize": {
+      "version": "1.0.0",
+      "depth": 1,
+      "source": "builtin",
+      "dependencies": {}
+    },
+    "com.unity.modules.particlesystem": {
+      "version": "1.0.0",
+      "depth": 1,
+      "source": "builtin",
+      "dependencies": {}
+    },
+    "com.unity.modules.physics": {
+      "version": "1.0.0",
+      "depth": 0,
+      "source": "builtin",
+      "dependencies": {}
+    },
+    "com.unity.modules.ui": {
+      "version": "1.0.0",
+      "depth": 2,
+      "source": "builtin",
+      "dependencies": {}
+    }
+  }
+}

Packages/src/.coffee.internal.sed

@@ -0,0 +1 @@
+s/Coffee.Internal/Coffee.UIParticleInternal/g

Packages/src/.github/ISSUE_TEMPLATE/bug_report.md

@@ -10,39 +10,26 @@ assignees: mob-sakai
 NOTE: Your issue may already be reported! Please search on the [issue tracker](../) before creating one.
 
 **Describe the bug**
-
 A clear and concise description of what the bug is.
 
 **To Reproduce**
-
 Steps to reproduce the behavior:
-
 1. Go to '...'
 2. Click on '....'
 3. Scroll down to '....'
 4. See error
 
 **Expected behavior**
-
 A clear and concise description of what you expected to happen.
 
 **Screenshots**
-
 If applicable, add screenshots to help explain your problem.
 
-**Environment (please complete the following)**
-
-- Package version [e.g. 4.2.0, 3.3.14]
-- Platform: [e.g. Editor(Windows/Mac), Standalone(Windows/Mac), iOS, Android, WebGL]
-- Unity version: [e.g. 2021.3.7f1]
-- Project options: [e.g. Mono/IL2CPP, .Net Standard 2.1/.Net 4.x, URP/HDRP, GraphicAPIs]
+**Environment (please complete the following information):**
+ - Version [e.g. 4.0.0]
+ - Platform: [e.g. Editor(Windows/Mac), Standalone(Windows/Mac), iOS, Android, WebGL]
+ - Unity version: [e.g. 2022.3.0f1]
+ - Build options: [e.g. IL2CPP, .Net 4.x, LWRP]
 
 **Additional context**
-
-Please add any other context about the issue here.
-It will help us resolve the issue.
-
-- Error messages and crash dump
-- Screenshots, gif animations and movie files
-- Reproducible minimal project
-    - The entire project (zipped Assets, Packages, ProjectSettings) is preferred over `.unitypackage`
+Add any other context about the problem here.

Packages/src/.github/ISSUE_TEMPLATE/feature_request.md

@@ -10,17 +10,13 @@ assignees: mob-sakai
 NOTE: Your issue may already be reported! Please search on the [issue tracker](../) before creating one.
 
 **Is your feature request related to a problem? Please describe.**
-
-A clear and concise description of what the issue is. (e.g. I'm always frustrated when [...])
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
 
 **Describe the solution you'd like**
-
 A clear and concise description of what you want to happen.
 
 **Describe alternatives you've considered**
-
 A clear and concise description of any alternative solutions or features you've considered.
 
 **Additional context**
-
 Add any other context or screenshots about the feature request here.

Packages/src/.github/pull_request_template.md

@@ -0,0 +1,9 @@
+---
+name: Pull Request
+about: Create a pull request
+title: ''
+assignees: mob-sakai
+
+---
+
+**NOTE: Create a pull request to merge into `develop` branch**

Packages/src/.releaserc.json

@@ -1,14 +1,12 @@
 {
   "branches": [
-    "+([0-9])?(.{+([0-9]),x}).x",
-    "master",
-    "main",
+    "release",
+    "release-4.x",
     {
-      "name": "preview",
-      "prerelease": true
+      "name": "release-preview",
+      "prerelease": "preview"
     }
   ],
-  "tagFormat": "${version}",
   "plugins": [
     "@semantic-release/commit-analyzer",
     "@semantic-release/release-notes-generator",

Packages/src/CHANGELOG.md

@@ -1,3 +1,281 @@
+## [4.12.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.12.0...v4.12.1) (2026-03-24)
+
+
+### Bug Fixes
+
+* ignore "EditorOnly" tagged gameObjects on refresh ([031d46a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/031d46a3216c942d2d1a6ccfadf5f0b9e3ce3006))
+
+# [4.12.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.4...v4.12.0) (2026-03-24)
+
+
+### Features
+
+* explicit null checks ([5384f61](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5384f61c569e9f78ff9d5b45acfc6f5c2f021a87))
+
+## [4.11.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.3...v4.11.4) (2025-12-24)
+
+
+### Bug Fixes
+
+* add early return for case where subEmitter module is disabled ([d1386a1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d1386a12216743a6e09f1b9b87bea1dfcf7702e4))
+* avoid endless loop ([eb2e862](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/eb2e862e80e549c8cf16ddfed776c101c2413bac)), closes [#392](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/392)
+
+## [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)
+
+
+### Bug Fixes
+
+* '3D' scale toggle in the inspector does not keep on reload ([934f4b8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/934f4b8f1c61f8ff20228d0ebcea9f636a3758ed)), closes [#346](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/346)
+
+## [4.10.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.3...v4.10.4) (2024-12-19)
+
+
+### Bug Fixes
+
+* rendering issues when playing with opening a prefab stage ([95235a9](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/95235a929b82cf681365ed6eba837d857f83e3d2)), closes [#345](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/345)
+
+## [4.10.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.2...v4.10.3) (2024-11-20)
+
+
+### Bug Fixes
+
+* if not configured as a preloaded asset, the project settings asset will be regenerated ([abe0948](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/abe09485f65dd4efd18e74675e752e0213bdf3be)), closes [#342](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/342)
+
+## [4.10.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.1...v4.10.2) (2024-11-01)
+
+
+### Bug Fixes
+
+* trail incorrect offset ([afe00a1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/afe00a1dde80eb1c0a7bb668b75f4c3733d3fa43)), closes [#335](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/335)
+
+## [4.10.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.0...v4.10.1) (2024-09-29)
+
+
+### Bug Fixes
+
+* mainTex will be ignored ([2ee69d0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2ee69d04245fabce185f67dc9bd68c870e556564))
+
+# [4.10.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.9.1...v4.10.0) (2024-09-29)
+
+
+### Bug Fixes
+
+* component icon is not set ([5ff6ec8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5ff6ec815a174de5d3f16d424f1204c60912a8d8))
+
+
+### Features
+
+* add project settings ([1ce4e31](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1ce4e31a9681bf1a201d2723c8d97e07ecc16592))
+
+## [4.9.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.9.0...v4.9.1) (2024-08-07)
+
+
+### Bug Fixes
+
+* ParticleSystem trails gain offset on parent canvas change ([2a1cd50](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2a1cd502b452b5b56edf8bcfe91adf99d1bb5147)), closes [#323](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/323)
+
+# [4.9.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.8.1...v4.9.0) (2024-07-18)
+
+
+### Features
+
+* ParticleAttractor supports multiple ParticleSystems ([3834780](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3834780fdb43443fe6e1ef89df54d26a24d62a91))
+
+## [4.8.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.8.0...v4.8.1) (2024-06-27)
+
+
+### Bug Fixes
+
+* remove debug code ([669deb4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/669deb41d4ac589d9db93b29bc8e95383e7f28a5))
+
+# [4.8.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.7.2...v4.8.0) (2024-06-27)
+
+
+### Bug Fixes
+
+* generated baking-camera object remains in the prefab or scene (again) ([de35cba](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/de35cba34c6312c1405ed522e9927c620c78e72d))
+* SetParticleSystemInstance/Prefab APIs destroy generated objects ([ae3f3a8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ae3f3a8e62cc733420354d237ab765ac777127c8))
+
+
+### Features
+
+* add 'custom view' option. ([a703c29](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a703c2921ca08c2280d0c8fde01e4c0b33b5c69e))
+* remove overlay window (editor) ([8358170](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/835817049f4fcf00dd2bf98dbada14f041ad3544))
+* restore `Transform.localScale` when setting `autoScalingMode` to something other than `Transform` (again) ([88a970d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/88a970d93a2b69cf011d86bd1807569e90538e0e))
+* the rendering order list in inspector is now more compact ([be90172](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/be901724e064befacf617f4940b0331e1d31e1ca))
+
+## [4.7.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.7.1...v4.7.2) (2024-06-21)
+
+
+### Bug Fixes
+
+* generated baking-camera object remains in the prefab or scene ([0bb8438](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0bb843830197d8c1252232928becc211c0ada08d))
+
+## [4.7.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.7.0...v4.7.1) (2024-06-20)
+
+
+### Bug Fixes
+
+* despite not using the size module, particles become smaller based on their z position ([a8ed6e6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a8ed6e68584e1d9e45ed852eefcc03979ea7e0e1)), closes [#316](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/316)
+
+# [4.7.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.8...v4.7.0) (2024-06-19)
+
+
+### Bug Fixes
+
+* `UIParticle.transform.localScale` does not scale particles ([1d40e24](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1d40e24c742741e97f03c55468ccb1e505341133)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
+* UIParticle is scaled by canvas size even when `AutoScalingMode.None` and `ScalingMode.Local` ([54a4b1c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/54a4b1cdfd06400c7be89c1ee704bb42a659c7c2)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
+* UIParticle is scaled incorrectly with nested canvases ([f26920f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f26920f9825547222a4afbb31cc5dc5a002c3e9b)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
+
+
+### Features
+
+* reset previous position on start play for world space simulation ([3880484](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3880484ce5190c42fc79c81d0b69e3fbeda09dd0)), closes [#303](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/303)
+* restore `Transform.localScale` when setting `autoScalingMode` to something other than `Transform` ([5505247](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5505247a94a929ff89635fde512a9b95691e0043))
+
+## [4.6.8](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.7...v4.6.8) (2024-06-14)
+
+
+### Bug Fixes
+
+* 'Resource ID out of range in GetResource' error in overlay rendering mode ([05286ce](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/05286cedfd17b1a0cb90a5e918513644f47cd831)), closes [#308](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/308)
+
+## [4.6.7](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.6...v4.6.7) (2024-05-24)
+
+
+### Bug Fixes
+
+* the ParticleSystem's localPosition drifts at certain scales due to floating-point precision issues ([e924eb4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e924eb45968a112347471cabaeabc274e4c37ce4)), closes [#299](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/299) [#312](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/312)
+
+## [4.6.6](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.5...v4.6.6) (2024-05-23)
+
+
+### Bug Fixes
+
+* fix release workflow ([30b0076](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/30b00762f6da166c043587798b1552f27b4cc604))
+
+## [4.6.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.4...v4.6.5) (2024-05-23)
+
+
+### Bug Fixes
+
+* update workflows (for preview and v4) ([3eab097](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3eab0979b9b85919b804442ab05735b7120eade5))
+
+## [4.6.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.3...v4.6.4) (2024-05-22)
+
+
+### Bug Fixes
+
+* assertion failed on expression: 'ps->array_size()' ([1b5c359](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1b5c359058289895caf5f245fe09abb643bc38eb)), closes [#278](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/278)
+* lost Material.mainTexture when using AnimatableProperties ([ea04352](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ea043524c0b00f67cba26a1f9ea537ee4a56d6ff)), closes [#311](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/311)
+* remove unnecessary code ([c37c014](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c37c01486499773e3d7e8296c95bb4c3fae94abb))
+
+## [4.6.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.2...v4.6.3) (2024-04-04)
+
+
+### Bug Fixes
+
+* if only Trail Material is used, it will not be displayed ([2eff411](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2eff411bd97eb4e6947d29a02b85b414bfdaee3a)), closes [#294](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/294)
+* if the UIParticle parents do not have Canvas, an exception is thrown in OnEnable ([e82c833](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e82c833d04b819f103984931ba29a3616ef50908)), closes [#300](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/300)
+* particle size too small due to auto scaling ([2ec3748](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2ec374833614d64406e7c3207ca5fe234a749dcb)), closes [#295](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/295)
+
+## [4.6.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.1...v4.6.2) (2024-02-01)
+
+
+### Bug Fixes
+
+* fix compile error in Unity 2021.1 or older ([fcae60b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fcae60bf29079bac07463bd3a86f8644151d72ba))
+* fix demos ([ad20d12](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ad20d128a2ad033d9f30b98f0a0dab6091f5aa19))
+* fix warning ([7fd4a8e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7fd4a8e343ce587dffa9db5ff186061b3ebb38a6))
+
+## [4.6.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.0...v4.6.1) (2024-01-26)
+
+
+### Bug Fixes
+
+* unintended scaling occurs when `AutoScalingMode=UIParticle` and `ScalingMode=Local` ([1627de1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1627de10eb1e742a015603ae9939071665a5bd89)), closes [#292](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/292)
+
+# [4.6.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.5.2...v4.6.0) (2024-01-26)
+
+
+### Bug Fixes
+
+* fix abnormal mesh bounds error ([772bf50](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/772bf50d168982bd401c30e58172e0a60fbafe46)), closes [#213](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/213)
+* fix warning ([93d3919](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/93d3919b6fb6ac186b3e99f8baaef9a044f583f2))
+* fix warning ([8a78ec1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8a78ec13ad2aad9138a22b67c332871e064a38cc))
+
+
+### Features
+
+* "[generated]" GameObjects on the hierarchy is disturbing ([7c42421](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7c4242150b591daf64390588afa27efa27368af3)), closes [#288](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/288)
+* add explicit dependencies ([9a0187a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9a0187a72a35d378ff7be965bfcb7475f423fe0f))
+* add icon ([0c1022c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0c1022c6224394713f62b41e5e4ef0c289610ae1))
+* remove samples ([f53a7fa](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f53a7faed3ee73ac22d745a778284e818624b510))
+
+# [4.6.0-preview.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.5.2...v4.6.0-preview.1) (2024-01-24)
+
+
+### Bug Fixes
+
+* fix abnormal mesh bounds error ([772bf50](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/772bf50d168982bd401c30e58172e0a60fbafe46)), closes [#213](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/213)
+* fix warning ([93d3919](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/93d3919b6fb6ac186b3e99f8baaef9a044f583f2))
+* fix warning ([8a78ec1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8a78ec13ad2aad9138a22b67c332871e064a38cc))
+
+
+### Features
+
+* "[generated]" GameObjects on the hierarchy is disturbing ([7c42421](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7c4242150b591daf64390588afa27efa27368af3)), closes [#288](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/288)
+* add explicit dependencies ([9a0187a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9a0187a72a35d378ff7be965bfcb7475f423fe0f))
+* add icon ([0c1022c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0c1022c6224394713f62b41e5e4ef0c289610ae1))
+* remove samples ([f53a7fa](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f53a7faed3ee73ac22d745a778284e818624b510))
+
 ## [4.5.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.5.1...4.5.2) (2024-01-18)
 
 

Packages/src/CONTRIBUTING.md

@@ -0,0 +1,43 @@
+# Contributing
+
+## How to Contribute
+
+#### Code of Conduct
+
+This repository has adopted the Contributor Covenant as it's
+Code of Conduct. It is expected that participants adhere to it.
+
+#### Proposing a Change
+
+If you are unsure about whether or not a change is desired,
+you can create an issue. This is useful because it creates
+the possibility for a discussion that's visible to everyone.
+
+When fixing a bug it is fine to submit a pull request right away.
+
+#### Sending a Pull Request
+
+Steps to be performed to submit a pull request:
+
+1. Fork the repository.
+2. Clone the repository.
+3. Checkout `develop` branch.
+4. Develop the package.
+5. Test the package with the test runner (`Window > Generals > Test Runner`).
+6. Commit with a message based
+   on [Angular Commit Message Conventions](https://gist.github.com/stephenparish/9941e89d80e2bc58a153) as follows:
+
+    - `fix:` fix a bug
+    - `feat:` new feature
+    - `docs:` changes only in documentation
+    - `style:` changes only in formatting, white-space, etc
+    - `refactor:` changes only in code structure (extract method, rename variable, move method, etc)
+    - `perf:` changes only in code performance
+    - `test:` add or update tests
+    - `chore:` changes to the build process or auxiliary tools and libraries such as documentation generation
+
+7. Create a pull request on GitHub. Fill out the description, link any related issues and submit your pull request.
+
+#### License
+
+By contributing to this repository, you agree that your contributions will be licensed under its MIT license.

Packages/src/Editor/AnimatablePropertyEditor.cs

@@ -31,35 +31,35 @@ namespace Coffee.UIExtensions
             }
             else
             {
-                result.Aggregate(s_Sb, (a, b) => s_Sb.AppendFormat("{0}, ", b));
+                result.Aggregate(s_Sb, (a, b) =>
+                {
+                    s_Sb.Append(b);
+                    return s_Sb.Append(", ");
+                });
                 s_Sb.Length -= 2;
             }
 
             return s_Sb.ToString();
         }
 
-        public static void Draw(SerializedProperty sp, Material[] mats)
+        public static void Draw(SerializedProperty sp, List<Material> mats)
         {
-            bool isClicked;
-            using (new EditorGUILayout.HorizontalScope(GUILayout.ExpandWidth(false)))
-            {
-                var pos = EditorGUILayout.GetControlRect(true);
-                var label = new GUIContent(sp.displayName, sp.tooltip);
-                var rect = EditorGUI.PrefixLabel(pos, label);
-                var text = sp.hasMultipleDifferentValues
-                    ? "-"
-                    : CollectActiveNames(sp, s_ActiveNames);
-                isClicked = GUI.Button(rect, text, EditorStyles.popup);
-            }
+            var pos = EditorGUILayout.GetControlRect(true);
+            var label = new GUIContent(sp.displayName, sp.tooltip);
+            var rect = EditorGUI.PrefixLabel(pos, label);
+            var text = sp.hasMultipleDifferentValues
+                ? "-"
+                : CollectActiveNames(sp, s_ActiveNames);
 
-            if (!isClicked) return;
+            if (!GUI.Button(rect, text, EditorStyles.popup)) return;
 
             var gm = new GenericMenu();
-            gm.AddItem(s_ContentNothing, s_ActiveNames.Count == 0, () =>
+            gm.AddItem(s_ContentNothing, s_ActiveNames.Count == 0, x =>
             {
-                sp.ClearArray();
-                sp.serializedObject.ApplyModifiedProperties();
-            });
+                var current = (SerializedProperty)x;
+                current.ClearArray();
+                current.serializedObject.ApplyModifiedProperties();
+            }, sp);
 
             if (!sp.hasMultipleDifferentValues)
             {
@@ -73,17 +73,16 @@ namespace Coffee.UIExtensions
             }
 
             s_Names.Clear();
-            for (var j = 0; j < mats.Length; j++)
+            for (var j = 0; j < mats.Count; j++)
             {
                 var mat = mats[j];
-                if (!mat || !mat.shader) continue;
+                if (mat == null || mat.shader == null) continue;
 
                 for (var i = 0; i < ShaderUtil.GetPropertyCount(mat.shader); i++)
                 {
                     var name = ShaderUtil.GetPropertyName(mat.shader, i);
                     var type = (AnimatableProperty.ShaderPropertyType)ShaderUtil.GetPropertyType(mat.shader, i);
-                    if (s_Names.Contains(name)) continue;
-                    s_Names.Add(name);
+                    if (!s_Names.Add(name)) continue;
 
                     AddMenu(gm, sp, new ShaderProperty(name, type), true);
 

Packages/src/Editor/UIParticleEditor.cs

@@ -1,24 +1,26 @@
-#if UNITY_2021_2_OR_NEWER
-using UnityEditor.Overlays;
-#else
-using System.Reflection;
-#endif
-#if UNITY_2021_2_OR_NEWER
-using UnityEditor.SceneManagement;
-#elif UNITY_2018_3_OR_NEWER
-using UnityEditor.Experimental.SceneManagement;
-#endif
-using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;
-using Coffee.UIParticleExtensions;
 using UnityEditor;
 using UnityEditor.UI;
 using UnityEditorInternal;
 using UnityEngine;
+using UnityEngine.Profiling;
 using UnityEngine.UI;
+using Coffee.UIParticleInternal;
+#if UNITY_2021_2_OR_NEWER
+using UnityEditor.Overlays;
+#else
+using System;
+using System.Reflection;
 using Object = UnityEngine.Object;
+#endif
+#if UNITY_2021_2_OR_NEWER
+using UnityEditor.SceneManagement;
+
+#elif UNITY_2018_3_OR_NEWER
+using UnityEditor.Experimental.SceneManagement;
+#endif
 
 namespace Coffee.UIExtensions
 {
@@ -26,42 +28,29 @@ namespace Coffee.UIExtensions
     [CanEditMultipleObjects]
     internal class UIParticleEditor : GraphicEditor
     {
-#if UNITY_2021_2_OR_NEWER
-#if UNITY_2022_1_OR_NEWER
-        [Overlay(typeof(SceneView), "Scene View/UI Particles", "UI Particles", true,
-         defaultDockPosition = DockPosition.Bottom,
-         defaultDockZone = DockZone.Floating,
-         defaultLayout = Layout.Panel)]
-#else
-        [Overlay(typeof(SceneView), "Scene View/UI Particles", "UI Particles", true)]
-#endif
-        private class UIParticleOverlay : IMGUIOverlay, ITransientOverlay
+        internal class State : ScriptableSingleton<State>
         {
-            public bool visible => s_SerializedObject != null;
-
-            public override void OnGUI()
-            {
-                if (visible)
-                {
-                    WindowFunction(null, null);
-                }
-            }
+            public bool is3DScaleMode;
         }
-#endif
 
         //################################
         // Constant or Static Members.
         //################################
+        private static readonly GUIContent[] s_ContentMaterials = new[]
+        {
+            new GUIContent("Material"),
+            new GUIContent("Trail Material")
+        };
+
         private static readonly GUIContent s_ContentRenderingOrder = new GUIContent("Rendering Order");
         private static readonly GUIContent s_ContentRefresh = new GUIContent("Refresh");
         private static readonly GUIContent s_ContentFix = new GUIContent("Fix");
-        private static readonly GUIContent s_ContentMaterial = new GUIContent("Material");
-        private static readonly GUIContent s_ContentTrailMaterial = new GUIContent("Trail Material");
         private static readonly GUIContent s_Content3D = new GUIContent("3D");
         private static readonly GUIContent s_ContentRandom = new GUIContent("Random");
         private static readonly GUIContent s_ContentScale = new GUIContent("Scale");
-        private static SerializedObject s_SerializedObject;
-        private static bool s_XYZMode;
+        private static readonly GUIContent s_ContentPrimary = new GUIContent("Primary");
+        private static readonly Regex s_RegexBuiltInGuid = new Regex(@"^0{16}.0{15}$", RegexOptions.Compiled);
+        private static readonly List<Material> s_TempMaterials = new List<Material>();
 
         private SerializedProperty _maskable;
         private SerializedProperty _scale3D;
@@ -71,12 +60,17 @@ namespace Coffee.UIExtensions
         private SerializedProperty _groupMaxId;
         private SerializedProperty _positionMode;
         private SerializedProperty _autoScalingMode;
+        private SerializedProperty _useCustomView;
+        private SerializedProperty _customViewSize;
+        private SerializedProperty _timeScaleMultiplier;
         private ReorderableList _ro;
         private bool _showMax;
+        private bool _is3DScaleMode;
 
         private static readonly HashSet<Shader> s_Shaders = new HashSet<Shader>();
+#if UNITY_2018 || UNITY_2019
         private static readonly List<ParticleSystemVertexStream> s_Streams = new List<ParticleSystemVertexStream>();
-
+#endif
         private static readonly List<string> s_MaskablePropertyNames = new List<string>
         {
             "_Stencil",
@@ -87,55 +81,6 @@ namespace Coffee.UIExtensions
             "_ColorMask"
         };
 
-        [InitializeOnLoadMethod]
-        private static void Init()
-        {
-#if !UNITY_2021_2_OR_NEWER
-            var miSceneViewOverlayWindow = Type.GetType("UnityEditor.SceneViewOverlay, UnityEditor")
-                ?.GetMethods(BindingFlags.Public | BindingFlags.Static)
-                .First(x => x.Name == "Window" && 5 <= x.GetParameters().Length);
-            var windowFunction = (Action<Object, SceneView>)WindowFunction;
-            var windowFunctionType = Type.GetType("UnityEditor.SceneViewOverlay+WindowFunction, UnityEditor");
-            var windowFunctionDelegate = Delegate.CreateDelegate(windowFunctionType, windowFunction.Method);
-            var windowTitle = new GUIContent(ObjectNames.NicifyVariableName(nameof(UIParticle)));
-#if UNITY_2019_2_OR_NEWER
-            //public static void Window(GUIContent title, WindowFunction sceneViewFunc, int order, Object target, WindowDisplayOption option, EditorWindow window = null)
-            var sceneViewArgs = new object[] { windowTitle, windowFunctionDelegate, 599, null, 2, null };
-#else
-            //public static void Window(GUIContent title, WindowFunction sceneViewFunc, int order, Object target, WindowDisplayOption option)
-            var sceneViewArgs = new object[] { windowTitle, windowFunctionDelegate, 599, null, 2 };
-#endif
-
-#if UNITY_2019_1_OR_NEWER
-            SceneView.duringSceneGui += _ =>
-#else
-            SceneView.onSceneGUIDelegate += _ =>
-#endif
-            {
-                if (s_SerializedObject != null)
-                {
-                    miSceneViewOverlayWindow.Invoke(null, sceneViewArgs);
-                }
-            };
-#endif
-
-            SerializedObject CreateSerializeObject()
-            {
-                var uiParticles = Selection.gameObjects.Select(x => x.GetComponent<ParticleSystem>())
-                    .Where(x => x)
-                    .Select(x => x.GetComponentInParent<UIParticle>(true))
-                    .Where(x => x && x.canvas)
-                    .Concat(Selection.gameObjects.Select(x => x.GetComponent<UIParticle>())
-                        .Where(x => x && x.canvas))
-                    .Distinct()
-                    .ToArray();
-                return 0 < uiParticles.Length ? new SerializedObject(uiParticles) : null;
-            }
-
-            s_SerializedObject = CreateSerializeObject();
-            Selection.selectionChanged += () => s_SerializedObject = CreateSerializeObject();
-        }
-
         //################################
         // Public/Protected Members.
         //################################
@@ -154,31 +99,44 @@ namespace Coffee.UIExtensions
             _groupMaxId = serializedObject.FindProperty("m_GroupMaxId");
             _positionMode = serializedObject.FindProperty("m_PositionMode");
             _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)
             {
-                elementHeight = EditorGUIUtility.singleLineHeight * 3 + 4,
-                elementHeightCallback = _ => 3 * (EditorGUIUtility.singleLineHeight + 2),
+                elementHeightCallback = index =>
+                {
+                    var ps = sp.GetArrayElementAtIndex(index).objectReferenceValue as ParticleSystem;
+                    var materialCount = 0;
+                    if (ps != null && ps.TryGetComponent<ParticleSystemRenderer>(out var psr))
+                    {
+                        materialCount = psr.sharedMaterials.Length;
+                    }
+
+                    return (materialCount + 1) * (EditorGUIUtility.singleLineHeight + 2);
+                },
                 drawElementCallback = (rect, index, _, __) =>
                 {
-                    EditorGUI.BeginDisabledGroup(sp.hasMultipleDifferentValues);
-                    rect.y += 1;
+                    rect.y += 2;
                     rect.height = EditorGUIUtility.singleLineHeight;
                     var p = sp.GetArrayElementAtIndex(index);
                     EditorGUI.ObjectField(rect, p, GUIContent.none);
+                    var ps = p.objectReferenceValue as ParticleSystem;
+                    if (ps == null || !ps.TryGetComponent<ParticleSystemRenderer>(out var psr)) return;
+
                     rect.x += 15;
                     rect.width -= 15;
-                    var ps = p.objectReferenceValue as ParticleSystem;
-                    var materials = ps
-                        ? new SerializedObject(ps.GetComponent<ParticleSystemRenderer>()).FindProperty("m_Materials")
-                        : null;
-                    rect.y += rect.height + 1;
-                    MaterialField(rect, s_ContentMaterial, materials, 0);
-                    rect.y += rect.height + 1;
-                    MaterialField(rect, s_ContentTrailMaterial, materials, 1);
-                    EditorGUI.EndDisabledGroup();
-                    if (materials != null && materials.serializedObject.hasModifiedProperties)
+                    var materials = new SerializedObject(psr).FindProperty("m_Materials");
+                    var count = Mathf.Min(materials.arraySize, 2);
+                    for (var i = 0; i < count; i++)
+                    {
+                        rect.y += rect.height + 2;
+                        EditorGUI.PropertyField(rect, materials.GetArrayElementAtIndex(i), s_ContentMaterials[i]);
+                    }
+
+                    if (materials.serializedObject.hasModifiedProperties)
                     {
                         materials.serializedObject.ApplyModifiedProperties();
                     }
@@ -212,19 +170,18 @@ namespace Coffee.UIExtensions
                     uip.RefreshParticles(uip.particles);
                 }
             }
-        }
 
-        private static void MaterialField(Rect rect, GUIContent label, SerializedProperty sp, int index)
-        {
-            if (sp == null || sp.arraySize <= index)
+            // Initialize 3D scale mode.
+            _is3DScaleMode = State.instance.is3DScaleMode;
+            if (!_is3DScaleMode)
             {
-                EditorGUI.BeginDisabledGroup(true);
-                EditorGUI.ObjectField(rect, label, null, typeof(Material), true);
-                EditorGUI.EndDisabledGroup();
-            }
-            else
-            {
-                EditorGUI.PropertyField(rect, sp.GetArrayElementAtIndex(index), label);
+                var x = _scale3D.FindPropertyRelative("x");
+                var y = _scale3D.FindPropertyRelative("y");
+                var z = _scale3D.FindPropertyRelative("z");
+                _is3DScaleMode = !Mathf.Approximately(x.floatValue, y.floatValue) ||
+                                 !Mathf.Approximately(y.floatValue, z.floatValue) ||
+                                 y.hasMultipleDifferentValues ||
+                                 z.hasMultipleDifferentValues;
             }
         }
 
@@ -234,8 +191,9 @@ namespace Coffee.UIExtensions
         public override void OnInspectorGUI()
         {
             var current = target as UIParticle;
-            if (!current) return;
+            if (current == null) return;
 
+            Profiler.BeginSample("(UIP:E) OnInspectorGUI");
             serializedObject.Update();
 
             // Maskable
@@ -243,17 +201,16 @@ namespace Coffee.UIExtensions
 
             // Scale
             EditorGUI.BeginDisabledGroup(!_meshSharing.hasMultipleDifferentValues && _meshSharing.intValue == 4);
-            s_XYZMode = DrawFloatOrVector3Field(_scale3D, s_XYZMode);
+            if (DrawFloatOrVector3Field(_scale3D, _is3DScaleMode) != _is3DScaleMode)
+            {
+                State.instance.is3DScaleMode = _is3DScaleMode = !_is3DScaleMode;
+            }
+
             EditorGUI.EndDisabledGroup();
 
             // AnimatableProperties
-            var mats = current.particles
-                .Where(x => x)
-                .Select(x => x.GetComponent<ParticleSystemRenderer>().sharedMaterial)
-                .Where(x => x)
-                .ToArray();
-
-            AnimatablePropertyEditor.Draw(_animatableProperties, mats);
+            current.GetMaterials(s_TempMaterials);
+            AnimatablePropertyEditor.Draw(_animatableProperties, s_TempMaterials);
 
             // Mesh sharing
             EditorGUI.BeginChangeCheck();
@@ -261,9 +218,12 @@ namespace Coffee.UIExtensions
             if (EditorGUI.EndChangeCheck())
             {
                 serializedObject.ApplyModifiedProperties();
-                foreach (var uip in targets.OfType<UIParticle>())
+                foreach (var t in targets)
                 {
-                    uip.ResetGroupId();
+                    if (t is UIParticle uip)
+                    {
+                        uip.ResetGroupId();
+                    }
                 }
             }
 
@@ -271,16 +231,32 @@ namespace Coffee.UIExtensions
             EditorGUILayout.PropertyField(_positionMode);
 
             // Auto Scaling
-            DrawAutoScaling(_autoScalingMode, targets.OfType<UIParticle>());
+            EditorGUILayout.PropertyField(_autoScalingMode);
+
+            // Custom View Size
+            EditorGUILayout.PropertyField(_useCustomView);
+            EditorGUI.BeginChangeCheck();
+            EditorGUI.BeginDisabledGroup(!_useCustomView.boolValue);
+            EditorGUI.indentLevel++;
+            EditorGUILayout.PropertyField(_customViewSize);
+            EditorGUI.indentLevel--;
+            EditorGUI.EndDisabledGroup();
+            if (EditorGUI.EndChangeCheck())
+            {
+                _customViewSize.floatValue = Mathf.Max(0.1f, _customViewSize.floatValue);
+            }
+
+            // Time Scale Multiplier
+            EditorGUILayout.PropertyField(_timeScaleMultiplier);
 
             // Target ParticleSystems.
             EditorGUI.BeginChangeCheck();
-            EditorGUI.BeginDisabledGroup(targets.OfType<UIParticle>().Any(x => !x.canvas));
             _ro.DoLayoutList();
-            EditorGUI.EndDisabledGroup();
             serializedObject.ApplyModifiedProperties();
+
             if (EditorGUI.EndChangeCheck())
             {
+                EditorApplication.QueuePlayerLoopUpdate();
                 foreach (var uip in targets.OfType<UIParticle>())
                 {
                     uip.RefreshParticles(uip.particles);
@@ -288,9 +264,10 @@ namespace Coffee.UIExtensions
             }
 
             // Non-UI built-in shader is not supported.
-            foreach (var mat in current.materials)
+            Profiler.BeginSample("(UIP:E) Non-UI built-in shader is not supported.");
+            foreach (var mat in s_TempMaterials)
             {
-                if (!mat || !mat.shader) continue;
+                if (mat == null || mat.shader == null) continue;
                 var shader = mat.shader;
                 if (IsBuiltInObject(shader) && !shader.name.StartsWith("UI/"))
                 {
@@ -301,15 +278,18 @@ namespace Coffee.UIExtensions
                 }
             }
 
+            Profiler.EndSample();
+
             // Does the shader support UI masks?
+            Profiler.BeginSample("(UIP:E) Does the shader support UI masks?");
             if (current.maskable && current.GetComponentInParent<Mask>(false))
             {
-                foreach (var mat in current.materials)
+                foreach (var mat in s_TempMaterials)
                 {
-                    if (!mat || !mat.shader) continue;
+                    if (mat == null || mat.shader == null) continue;
                     var shader = mat.shader;
-                    if (s_Shaders.Contains(shader)) continue;
-                    s_Shaders.Add(shader);
+                    if (!s_Shaders.Add(shader)) continue;
+
                     foreach (var propName in s_MaskablePropertyNames)
                     {
                         if (mat.HasProperty(propName)) continue;
@@ -323,15 +303,21 @@ namespace Coffee.UIExtensions
                 }
             }
 
+            s_TempMaterials.Clear();
             s_Shaders.Clear();
+            Profiler.EndSample();
 
             // UIParticle for trail should be removed.
             var label = "This UIParticle component should be removed. The UIParticle for trails is no longer needed.";
+#pragma warning disable CS0612
             if (FixButton(current.m_IsTrail, label))
+#pragma warning restore CS0612
             {
                 DestroyUIParticle(current);
             }
 
+#if UNITY_2018 || UNITY_2019
+            // (2018, 2019) Check to use 'TEXCOORD*.zw' components as custom vertex stream.
             var allPsRenderers = targets.OfType<UIParticle>()
                 .SelectMany(x => x.particles)
                 .Where(x => x)
@@ -357,14 +343,18 @@ namespace Coffee.UIExtensions
                     s_Streams.Clear();
                 }
             }
+#endif
+            Profiler.EndSample();
         }
 
-        private bool IsBuiltInObject(Object obj)
+        private static bool IsBuiltInObject(Object obj)
         {
-            return AssetDatabase.TryGetGUIDAndLocalFileIdentifier(obj, out var guid, out long _)
-                   && Regex.IsMatch(guid, "^0{16}.0{15}$", RegexOptions.Compiled);
+            return AssetDatabase.IsMainAsset(obj)
+                   && AssetDatabase.TryGetGUIDAndLocalFileIdentifier(obj, out var guid, out long _)
+                   && s_RegexBuiltInGuid.IsMatch(guid);
         }
 
+#if UNITY_2018 || UNITY_2019
         private static int GetUsedComponentCount(ParticleSystemVertexStream s)
         {
             switch (s)
@@ -423,6 +413,7 @@ namespace Coffee.UIExtensions
 
             return 3;
         }
+#endif
 
         private static bool DrawMeshSharing(SerializedProperty spMeshSharing, SerializedProperty spGroupId,
             SerializedProperty spGroupMaxId, bool showMax)
@@ -454,7 +445,7 @@ namespace Coffee.UIExtensions
             {
                 EditorGUI.BeginDisabledGroup(true);
                 var obj = UIParticleUpdater.GetPrimary(spGroupId.intValue);
-                EditorGUILayout.ObjectField("Primary", obj, typeof(UIParticle), false);
+                EditorGUILayout.ObjectField(s_ContentPrimary, obj, typeof(UIParticle), false);
                 EditorGUI.EndDisabledGroup();
             }
 
@@ -464,50 +455,9 @@ namespace Coffee.UIExtensions
             return showMax;
         }
 
-        private static void DrawAutoScaling(SerializedProperty prop, IEnumerable<UIParticle> uiParticles)
+        private static void DrawAutoScaling(SerializedProperty prop)
         {
-            var isTransformMode = prop.intValue == (int)UIParticle.AutoScalingMode.Transform;
-            EditorGUI.BeginChangeCheck();
             EditorGUILayout.PropertyField(prop);
-            if (!EditorGUI.EndChangeCheck() || !isTransformMode) return;
-
-            // on changed true->false, reset scale.
-            EditorApplication.delayCall += () =>
-            {
-                foreach (var uip in uiParticles)
-                {
-                    if (!uip) continue;
-                    uip.transform.localScale = Vector3.one;
-                }
-            };
-        }
-
-        private static void WindowFunction(Object target, SceneView sceneView)
-        {
-            try
-            {
-                if (s_SerializedObject == null || !s_SerializedObject.targetObject) return;
-                var uiParticles = s_SerializedObject.targetObjects.OfType<UIParticle>();
-                if (uiParticles.Any(x => !x || !x.canvas)) return;
-
-                s_SerializedObject.Update();
-                using (new EditorGUILayout.VerticalScope(GUILayout.Width(220f)))
-                {
-                    var labelWidth = EditorGUIUtility.labelWidth;
-                    EditorGUIUtility.labelWidth = 100;
-                    EditorGUILayout.PropertyField(s_SerializedObject.FindProperty("m_Enabled"));
-                    s_XYZMode = DrawFloatOrVector3Field(s_SerializedObject.FindProperty("m_Scale3D"), s_XYZMode);
-                    EditorGUILayout.PropertyField(s_SerializedObject.FindProperty("m_PositionMode"));
-                    DrawAutoScaling(s_SerializedObject.FindProperty("m_AutoScalingMode"), uiParticles);
-                    EditorGUIUtility.labelWidth = labelWidth;
-                }
-
-                s_SerializedObject.ApplyModifiedProperties();
-            }
-            catch
-            {
-                // ignored
-            }
         }
 
         private void DestroyUIParticle(UIParticle p, bool ignoreCurrent = false)
@@ -523,7 +473,7 @@ namespace Coffee.UIExtensions
             if (stage != null && stage.scene.isLoaded)
             {
 #if UNITY_2020_1_OR_NEWER
-                string prefabAssetPath = stage.assetPath;
+                var prefabAssetPath = stage.assetPath;
 #else
                 var prefabAssetPath = stage.prefabAssetPath;
 #endif