fix: when using mesh sharing, the Transform.scale of the primary UIParticle affects the replicas.

close #333

NOTE: This fix may cause changes in the rendering of existing UIParticles.

.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 +1,103 @@
-name: release
+name: 🔖 Release
 
 on:
+  workflow_dispatch:
   push:
     branches:
-      - preview
-      - main
-      - v*.x
+      - release
+      - release-preview
+      - release-v4
     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: ${{ steps.summary.outputs.split_to }}
     steps:
-      - uses: actions/checkout@v2
+      - name: 🚚 Checkout (${{ github.ref_name }})
+        uses: actions/checkout@v4
 
-      - uses: cycjimmy/semantic-release-action@v2
+      - name: 🔖 Run semantic release
+        uses: cycjimmy/semantic-release-action@v4
+        id: release
         with:
+          working_directory: Packages/src
           extra_plugins: |
             @semantic-release/changelog
             @semantic-release/git
         env:
           GITHUB_TOKEN: ${{ github.token }}
+
+      - id: summary
+        run: |
+          echo "🔖 New release published: '${{ 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
+            echo "split_to=main" | tee -a $GITHUB_OUTPUT
+          elif [ '${{ github.ref_name }}' = 'release-preview' ]; then
+            echo "merge_to=develop-preview" | tee -a $GITHUB_OUTPUT
+            echo "split_to=preview" | tee -a $GITHUB_OUTPUT
+          elif [ '${{ github.ref_name }}' = 'release-4.x' ]; then
+            echo "merge_to=develop-4.x" | tee -a $GITHUB_OUTPUT
+            echo "split_to=4.x" | tee -a $GITHUB_OUTPUT
+          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@v4
+        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@v4
+        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

@@ -1,13 +1,26 @@
-# 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
+
+env:
+  # MINIMUM_VERSION: The minimum version of Unity.
+  MINIMUM_VERSION: 2019.4
+  # EXCLUDE_FILTER: The excluded versions of Unity.
+  EXCLUDE_FILTER: '(2020.2.0)'
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - develop
+      - develop-preview
+      - develop-4.x
     tags:
       - "!*"
+    paths-ignore:
+      - "*.md"
   pull_request:
     types:
       - opened
@@ -15,55 +28,68 @@ on:
 
 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 list --versions --latest-patch --min ${MINIMUM_VERSION} --json --all`
+          # ADDITIONAL_VERSIONS=`npx unity-changeset list --versions --grep '0f' --min ${MINIMUM_VERSION} --json`
+          ADDITIONAL_VERSIONS=[]
+
+          VERSIONS=`echo "[${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
+    env:
+      UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
+      UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
+      UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
+    permissions:
+      checks: write
+      contents: read
     needs: setup
     strategy:
       fail-fast: false
+      max-parallel: 4
       matrix:
-        version: ${{ fromJson(needs.setup.outputs.versions) }}
-
+        unityVersion: ${{ fromJson(needs.setup.outputs.unityVersions) }}
     steps:
-      # Checkout sandbox project
-      - uses: actions/checkout@v2
-        with:
-          ref: sandbox
-          submodules: true
-          fetch-depth: 0
+      - name: 🚚 Checkout
+        uses: actions/checkout@v4
 
-      # Update package submodule
-      - name: "Update package submodule"
-        working-directory: Packages/dev
-        run: git checkout ${{ github.sha }}
-
-      # Cache
-      - uses: actions/cache@v2
+      - name: 📥 Cache library
+        uses: actions/cache@v4
         with:
           path: Library
-          key: Library-${{ matrix.version }}-${{ github.sha }}
+          key: Library-${{ matrix.unityVersion }}-${{ github.sha }}
           restore-keys: |
-            Library-${{ matrix.version }}-
+            Library-${{ matrix.unityVersion }}-
             Library-
 
-      # Run tests
-      - name: "Run tests"
-        uses: game-ci/unity-test-runner@v2
+      - name: 🛠️ Build Unity Project
+        uses: game-ci/unity-builder@v4
+        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: ${{ matrix.version }} Test Results
+
+      - name: 🧪 Run tests
+        uses: game-ci/unity-test-runner@v4
+        timeout-minutes: 45
+        with:
+          customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
+          # unityVersion: ${{ matrix.unityVersion }}
+          customParameters: -nographics
+          checkName: ${{ matrix.unityVersion }} Test Results
           githubToken: ${{ github.token }}
-        env:
-          UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
+          coverageOptions: "dontClear;generateHtmlReport;generateBadgeReport;pathFilters:+**/Packages/src/**;assemblyFilters:+<packages>,-*.Editor,-*.Test"

.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/CFX_Demo_With_UIParticle.cs

@@ -0,0 +1,116 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+using UnityEngine.UI;
+using Object = UnityEngine.Object;
+
+namespace Coffee.UIExtensions.Demo
+{
+    public class CFX_Demo_With_UIParticle : MonoBehaviour
+    {
+        private MonoBehaviour _demo;
+        private string _demoType;
+        private Toggle _spawnOnUI;
+        private UIParticle _uiParticle;
+
+        // Start is called before the first frame update
+        private void Start()
+        {
+            _uiParticle = GetComponentInChildren<UIParticle>();
+            _spawnOnUI = GetComponentInChildren<Toggle>();
+            _demo = FindObjectOfType("CFX_Demo_New") as MonoBehaviour
+                    ?? FindObjectOfType("WFX_Demo_New") as MonoBehaviour
+                    ?? FindObjectOfType("CFXR_Demo") as MonoBehaviour;
+            _demoType = _demo?.GetType().Name;
+
+            SetCanvasWidth(800);
+            SetCanvasRenderOverlay(true);
+        }
+
+        // Update is called once per frame
+        private void Update()
+        {
+            if (!_spawnOnUI.isOn || !_demo || !Input.GetMouseButtonDown(0)) return;
+
+            if (_demoType == "CFX_Demo_New" || _demoType == "WFX_Demo_New")
+            {
+                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, true);
+        }
+
+        private static Object FindObjectOfType(string typeName)
+        {
+            var type = AppDomain.CurrentDomain.GetAssemblies()
+                .SelectMany(x => x.GetTypes())
+                .FirstOrDefault(x => x.Name == typeName);
+
+            return type == null ? null : FindObjectOfType(type);
+        }
+
+        public void SetCanvasWidth(int width)
+        {
+            var scaler = GetComponentInParent<CanvasScaler>();
+            scaler.screenMatchMode = CanvasScaler.ScreenMatchMode.MatchWidthOrHeight;
+            scaler.matchWidthOrHeight = 0;
+            var resolution = scaler.referenceResolution;
+            resolution.x = width;
+            scaler.referenceResolution = resolution;
+        }
+
+        public void SetCanvasRenderOverlay(bool enable)
+        {
+            var canvas = GetComponentInParent<Canvas>();
+            if (enable)
+            {
+                canvas.renderMode = RenderMode.ScreenSpaceOverlay;
+            }
+            else
+            {
+                canvas.worldCamera = Camera.main;
+                canvas.renderMode = RenderMode.ScreenSpaceCamera;
+                canvas.planeDistance = 5;
+            }
+        }
+
+        public void LoadScene(string scene)
+        {
+            SceneManager.LoadScene(scene);
+        }
+    }
+}

Assets/Demo/Cartoon FX & War FX Demo/README.md

@@ -1,4 +1,4 @@
 Cartoon FX & War FX Demo
 ===
 
-Please import assets "Cartoon FX Free" and/or "War FX Free" from Unity asset store.
+Please import assets "Cartoon FX Free" and/or "War FX Free" from Unity asset store.

Assets/Demo/CustomView.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: c5a6b37697e71473cb1ecc90047622d0
+guid: 157d70e6cb69d4581b4ed450c7ffd33d
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}

Assets/Demo/CustomView/CustomView.unity.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: dfba9a6f2258941f5b4429fba806d8e9
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+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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+  - serializedVersion: 3
+    buildTarget: Standalone
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+    crunchedCompression: 0
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+    buildTarget: Android
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+  - serializedVersion: 3
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Assets/Demo/Performance Demo/Scripts/UIParticle_PerformanceDemo.cs

@@ -0,0 +1,92 @@
+using UnityEngine;
+using UnityEngine.Serialization;
+
+namespace Coffee.UIExtensions.Demo
+{
+    public class UIParticle_PerformanceDemo : MonoBehaviour
+    {
+        [FormerlySerializedAs("copyOrigin")]
+        [SerializeField]
+        private GameObject m_CopyOrigin;
+
+        [FormerlySerializedAs("copyCount")]
+        [SerializeField]
+        public int m_CopyCount;
+
+        [FormerlySerializedAs("root")]
+        [SerializeField]
+        public Canvas m_RootCanvas;
+
+        private void Start()
+        {
+            Application.targetFrameRate = 60;
+
+            if (m_CopyOrigin)
+            {
+                m_CopyOrigin.SetActive(false);
+
+                var parent = m_CopyOrigin.transform.parent;
+                for (var i = 0; i < m_CopyCount; i++)
+                {
+                    var go = Instantiate(m_CopyOrigin, parent, false);
+                    go.name = string.Format("{0} {1}", m_CopyOrigin.name, i + 1);
+                    go.hideFlags = HideFlags.DontSave;
+
+                    go.SetActive(true);
+                }
+            }
+        }
+
+        public void UIParticle_Enable(bool flag)
+        {
+            foreach (var uip in m_RootCanvas.GetComponentsInChildren<UIParticle>(true))
+            {
+                uip.enabled = flag;
+            }
+
+            if (!flag)
+            {
+#if UNITY_2023_1_OR_NEWER
+                foreach (var ps in FindObjectsByType<ParticleSystem>(FindObjectsInactive.Include, FindObjectsSortMode.None))
+#else
+                foreach (var ps in FindObjectsOfType<ParticleSystem>())
+#endif
+                {
+                    ps.Play(false);
+                }
+            }
+        }
+
+        public void UIParticle_MeshSharing(bool flag)
+        {
+            foreach (var uip in m_RootCanvas.GetComponentsInChildren<UIParticle>(true))
+            {
+                uip.meshSharing = flag
+                    ? UIParticle.MeshSharing.Auto
+                    : UIParticle.MeshSharing.None;
+            }
+        }
+
+        public void UIParticle_RandomGroup(bool flag)
+        {
+            foreach (var uip in m_RootCanvas.GetComponentsInChildren<UIParticle>(true))
+            {
+                uip.groupMaxId = flag
+                    ? 4
+                    : 0;
+            }
+        }
+
+        public void ParticleSystem_SetScale(float scale)
+        {
+#if UNITY_2023_1_OR_NEWER
+            foreach (var ps in FindObjectsByType<ParticleSystem>(FindObjectsInactive.Include, FindObjectsSortMode.None))
+#else
+            foreach (var ps in FindObjectsOfType<ParticleSystem>())
+#endif
+            {
+                ps.transform.localScale = new Vector3(scale, scale, scale);
+            }
+        }
+    }
+}

Assets/ProjectSettings.meta

@@ -1,5 +1,5 @@
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+guid: 64db617a76e9a4f1e90d0731175c1f7b
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Assets/ProjectSettings/NanoMonitor.asset

@@ -0,0 +1,40 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 194d2f2eb25c64ec0af5c323c74eb518, type: 3}
+  m_Name: NanoMonitor
+  m_EditorClassIdentifier: 
+  m_NanoMonitorEnabled: 1
+  m_BootSceneNameRegex: .*
+  m_DevelopmentBuildOnly: 0
+  m_EnabledInEditor: 1
+  m_AlwaysIncludeAssembly: 1
+  m_InstantiateOnLoad: 1
+  m_Prefab: {fileID: 7211429669315726685, guid: b73940fc30a2f4eb9a73783e9c1f8da6,
+    type: 3}
+  m_Interval: 0.5
+  m_Anchor: 0
+  m_Width: 750
+  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: 

Assets/ProjectSettings/NanoMonitor.asset.meta

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Assets/Samples

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

Assets/Samples.meta

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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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+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
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+  assetBundleVariant: 

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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-TextScriptImporter:
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+AssemblyDefinitionImporter:
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Assets/Tests/Editor/NewTestScript.cs

@@ -0,0 +1,26 @@
+using System.Collections;
+using NUnit.Framework;
+using UnityEngine.TestTools;
+
+namespace Coffee.UIParticle.Editor.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/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

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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 +1,9 @@
+{
+  "dependencies": {
+    "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 +1,94 @@
+{
+  "dependencies": {
+    "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": "c51e4514c9ab944915a639433ee52342e55a644e"
+    },
+    "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/.github/ISSUE_TEMPLATE/bug_report.md

@@ -26,9 +26,9 @@ A clear and concise description of what you expected to happen.
 If applicable, add screenshots to help explain your problem.
 
 **Environment (please complete the following information):**
- - Version [e.g. 1.0.0]
+ - Version [e.g. 4.0.0]
  - Platform: [e.g. Editor(Windows/Mac), Standalone(Windows/Mac), iOS, Android, WebGL]
- - Unity version: [e.g. 2018.2.8f1]
+ - Unity version: [e.g. 2022.3.0f1]
  - Build options: [e.g. IL2CPP, .Net 4.x, LWRP]
 
 **Additional context**

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 +1,317 @@
+## [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)
+
+
+### Bug Fixes
+
+* (editor) sometimes crashes when entering play mode ([b80c3e6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b80c3e6c9fdd2a8fb72ff233edb85df2e3dbba3d))
+
+## [4.5.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.5.0...4.5.1) (2023-12-23)
+
+
+### Bug Fixes
+
+* fix material for mesh sharing group ([6126af9](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/6126af9f376dd4c100a1b9d19d9499bdef7d5566))
+* the changes made to the material used by the ParticleSystem are not immediately reflected ([3184ba9](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3184ba94ae08264223c0c71443ad70acc1a1ccb2)), closes [#280](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/280)
+
+# [4.5.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.4.0...4.5.0) (2023-12-23)
+
+
+### Bug Fixes
+
+* incorrect rendering of world-space simulated particles while animating scale ([ac58475](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ac584755393d87bda2e80d9653370b7e4c68912f)), closes [#285](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/285)
+* remove obsolete warning ([5d5eb34](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5d5eb34590b7cefb0e4ac26c0441e104176ce522))
+
+
+### Features
+
+* Automatically generated objects are no longer editable (NotEditable). ([5607dc4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5607dc4eed0c086b4651941953df6c7d535712e0))
+* support IMeshModifier ([5c3232f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5c3232faf3d2cfad1e3e1a9349b8346c7982a608)), closes [#282](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/282)
+
+# [4.4.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.3.0...4.4.0) (2023-11-08)
+
+
+### Features
+
+* support 'Active Apply Color Space' for linear color space ([45c56bb](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/45c56bbd850202365751ea019baf5131b2eb9fbe))
+
+# [4.3.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.2.2...4.3.0) (2023-11-08)
+
+
+### Features
+
+* added 'autoScalingMode (None, Transform.localScale, UIParticle.scale)' instead of 'autoScaling' ([107f901](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/107f901fe3232223322681edc4bf908642474298))
+* reset transform.localScale on upgrading v3.x to v4.x ([c710787](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c710787b5ba496cf73e7eb43458bb3958139baa9)), closes [#277](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/277)
+
+## [4.2.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.2.1...4.2.2) (2023-10-25)
+
+
+### Bug Fixes
+
+* il2cpp code stripping bug ([73f6dad](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/73f6dad0f33641a76ddd05ffc6812ced3f8a276d)), closes [#269](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/269)
+
+## [4.2.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.2.0...4.2.1) (2023-08-18)
+
+
+### Bug Fixes
+
+* autoScaling and PositionMode may be locked ([3f2f12d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3f2f12d2cf7541118c02830ec9fdea8183357487))
+
+# [4.2.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.7...4.2.0) (2023-08-18)
+
+
+### Bug Fixes
+
+* assertion 'ps->array_size()' in UpdateMesh() when using trails of type ribbon ([f75fcce](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f75fcce0dae0bc166bd01d36a150aded1fd721f3)), closes [#241](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/241)
+* built-in shaders are no longer supported ([c2119c1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c2119c171a1262431eac7fea6bf3125db2bcaaca)), closes [#233](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/233) [#257](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/257)
+* crash occurs when too many vertices are rendered ([723a04d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/723a04d0cfd156715a3c92b6d6bd75fdc1862c28))
+* error: SerializedObject target has been destroyed ([e930516](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e93051603e121732c92bcd89ded48087c2b0d7fb)), closes [#267](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/267)
+* excessive particle emitted on move ParticleSystem for local space simulation and emission over distance ([2fe0bde](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/2fe0bde422f9769dfedaf6b053ea07f773646679)), closes [#265](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/265)
+* fix typos ([52f2ef1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/52f2ef1f2471a2e1c29fca96255c04b222d9c848))
+* generated GameObject will be named '[generated] *' ([9b2e5c1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9b2e5c1d1024e091de6d18a4578cd18b43563e48))
+* inactive ParticleSystems are removed from the list on refresh ([4851a18](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4851a1880eef9f385dd9db644ea7e544f95da4fc))
+* mesh sharing not working ([8b4ca1a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8b4ca1add5c409601e840253e1c0dbcdbf536da8)), closes [#236](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/236)
+* nullptr exceptions when using nested UIParticle components in hierarchy ([e67e948](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e67e9482e2cb840b16e2cfe76e04f7423fcbd3a3)), closes [#246](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/246)
+* nullReferenceException after copy-n-paste ([425aad0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/425aad0cbab475635c72bee84ecbf3f2acedccc2)), closes [#258](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/258)
+* remove unnecessary per-frame allocation. ([e92b514](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e92b514624cc362e53ddeae5ade20fa732f94c7c))
+* scaling ParticleSystem puts prewarmed particles in wrong location ([fb31db4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fb31db47f2debb3aadbdc4d1b88d0efd9c4ad7bd)), closes [#235](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/235)
+* sub-emitters option is not work in editor playing ([b308b26](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b308b2683372662bb834b6f6d23ea3435a68d1b3)), closes [#231](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/231)
+* the camera under UIParticle will be assigned as _orthoCamera ([c42f8c8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c42f8c8ab0ff033689349a81e02a4808e071a8a2))
+* UIParticleAttractor attracts the particles at wrong position when in RelativeMode ([68d9925](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/68d9925a16237df3c7b07b4781172cbd03425421)), closes [#262](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/262)
+
+
+### Features
+
+* 'AbsoluteMode' option is renamed to 'PositionMode' ([67eff61](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/67eff610736344ba0122163ff5ee63b25c43f555))
+* 'AutoScaling' option will be imported from 'IgnoreCanvasScale' (for v3.x) ([4103041](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/410304125f3f25f3f543c7bc01dcc661eab00609))
+* add 'AutoScaling' option for UIParticle ([35325c8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/35325c88996fa6aea19a6dd1395c05884e1f84ae))
+* add 'UpdateMode' option for UIParticleAttractor ([903f702](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/903f702d7be38228841a5a693e3afdceb4a59d9f)), closes [#250](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/250)
+* add particle system getter and setter for attractor ([a4bcf93](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a4bcf93022d2729f3d2a74a2cac4f52e68641b18)), closes [#253](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/253)
+* add public properties for UIParticleAttractor ([392ab6d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/392ab6dd76c36e815320d3a50744d19faa631260)), closes [#253](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/253)
+* add Start/StopEmission API for UIParticle ([e499836](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e4998365c9825fa385e0a317768ce073a1f15b48)), closes [#240](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/240)
+
+## [4.1.7](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.6...4.1.7) (2022-08-30)
+
+
+### Bug Fixes
+
+* the annoying empty black scene overlay box shown even when nothing is selected ([bdeeabb](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/bdeeabbbe140b0ba80fac7ac477874c2467d3a16))
+
+## [4.1.6](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.5...4.1.6) (2022-08-10)
+
+
+### Bug Fixes
+
+* fix abnormal mesh bounds error ([f60d6df](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f60d6dfe6030ac89527a4265e414e9a0a20d56db)), closes [#213](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/213) [#218](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/218)
+
+## [4.1.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.4...4.1.5) (2022-08-10)
+
+
+### Bug Fixes
+
+* fix culling for RectMask2D ([9e2dbe7](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9e2dbe7758eb28a4f6a7c11113d9169847880f96)), closes [#220](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/220)
+
+## [4.1.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.3...4.1.4) (2022-07-01)
+
+
+### Bug Fixes
+
+* add `Enabled` toggle in overlay window ([f97e619](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f97e6195e62b5acfa8f3e97bfe3bc4a7dcadf38a))
+* if `m_Particles` contains null, an error will occur ([550d0c4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/550d0c43be35cd07e390ffd5749557c89fee0332)), closes [#214](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/214)
+* ParticleSystem reordering and refreshing in inspector does not work for prefab asset ([7eb4112](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/7eb41124db06ea794db76788b35ce82a0af2c402))
+* refresh button does not works in prefab edit mode ([c1538a8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c1538a83998608a30dc90944b05f8b75e165cf05)), closes [#214](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/214)
+* when `UIParticlrRenderer` destroy manually, an error will occur ([a11d2d0](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a11d2d01ce5f67e3f430bcb0bfdee1ad9abf7cfe))
+
+## [4.1.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.2...4.1.3) (2022-06-28)
+
+
+### Bug Fixes
+
+* error on drag prefab to scene ([fa2f867](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fa2f867bcaff437bb9420da1abcef970cdb09ade)), closes [#211](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/211)
+
+## [4.1.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.1...4.1.2) (2022-06-27)
+
+
+### Bug Fixes
+
+* error on editor ([8034228](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/80342287137c07d58a7492875a401d80cb134073)), closes [#210](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/210)
+* incorrect position of world space trail particles ([fb7f308](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fb7f308f092db8a1512383857b80110cd626ecf9)), closes [#209](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/209)
+
+## [4.1.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.1.0...4.1.1) (2022-06-25)
+
+
+### Bug Fixes
+
+* add absolute mode toggle to overlay window ([48d1994](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/48d1994f5f8751b707b6ef7695b552df731bece9))
+
+# [4.1.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.0.1...4.1.0) (2022-06-25)
+
+
+### Features
+
+* add relative/absolute particle position mode ([1879ac8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1879ac8c538778e386e68cfc989a6f4f974043ca)), closes [#205](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/205)
+
 ## [4.0.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/4.0.0...4.0.1) (2022-06-24)
 
 

Packages/src/CODE_OF_CONDUCT.md

@@ -81,4 +81,4 @@ Community Impact Guidelines were inspired by [Mozilla's code of conduct enforcem
 [homepage]: https://www.contributor-covenant.org
 
 For answers to common questions about this code of conduct, see the FAQ at
-https://www.contributor-covenant.org/faq. Translations are available at https://www.contributor-covenant.org/translations.
+https://www.contributor-covenant.org/faq. Translations are available at https://www.contributor-covenant.org/translations.

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

@@ -0,0 +1,142 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using UnityEditor;
+using UnityEngine;
+
+namespace Coffee.UIExtensions
+{
+    internal static class AnimatablePropertyEditor
+    {
+        private static readonly GUIContent s_ContentNothing = new GUIContent("Nothing");
+        private static readonly List<string> s_ActiveNames = new List<string>();
+        private static readonly StringBuilder s_Sb = new StringBuilder();
+        private static readonly HashSet<string> s_Names = new HashSet<string>();
+
+        private static string CollectActiveNames(SerializedProperty sp, List<string> result)
+        {
+            result.Clear();
+            for (var i = 0; i < sp.arraySize; i++)
+            {
+                var spName = sp.GetArrayElementAtIndex(i).FindPropertyRelative("m_Name");
+                if (spName == null) continue;
+
+                result.Add(spName.stringValue);
+            }
+
+            s_Sb.Length = 0;
+            if (result.Count == 0)
+            {
+                s_Sb.Append("Nothing");
+            }
+            else
+            {
+                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, List<Material> mats)
+        {
+            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 (!GUI.Button(rect, text, EditorStyles.popup)) return;
+
+            var gm = new GenericMenu();
+            gm.AddItem(s_ContentNothing, s_ActiveNames.Count == 0, x =>
+            {
+                var current = (SerializedProperty)x;
+                current.ClearArray();
+                current.serializedObject.ApplyModifiedProperties();
+            }, sp);
+
+            if (!sp.hasMultipleDifferentValues)
+            {
+                for (var i = 0; i < sp.arraySize; i++)
+                {
+                    var p = sp.GetArrayElementAtIndex(i);
+                    var name = p.FindPropertyRelative("m_Name").stringValue;
+                    var type = (AnimatableProperty.ShaderPropertyType)p.FindPropertyRelative("m_Type").intValue;
+                    AddMenu(gm, sp, new ShaderProperty(name, type), false);
+                }
+            }
+
+            s_Names.Clear();
+            for (var j = 0; j < mats.Count; j++)
+            {
+                var mat = mats[j];
+                if (!mat || !mat.shader) 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.Add(name)) continue;
+
+                    AddMenu(gm, sp, new ShaderProperty(name, type), true);
+
+                    if (type != AnimatableProperty.ShaderPropertyType.Texture) continue;
+
+                    AddMenu(gm, sp, new ShaderProperty($"{name}_ST"), true);
+                    AddMenu(gm, sp, new ShaderProperty($"{name}_HDR"), true);
+                    AddMenu(gm, sp, new ShaderProperty($"{name}_TexelSize"), true);
+                }
+            }
+
+            gm.ShowAsContext();
+        }
+
+        private static void AddMenu(GenericMenu menu, SerializedProperty sp, ShaderProperty prop, bool add)
+        {
+            if (add && s_ActiveNames.Contains(prop.name)) return;
+
+            var label = new GUIContent($"{prop.name} ({prop.type})");
+            menu.AddItem(label, s_ActiveNames.Contains(prop.name), () =>
+            {
+                var index = s_ActiveNames.IndexOf(prop.name);
+                if (0 <= index)
+                {
+                    sp.DeleteArrayElementAtIndex(index);
+                }
+                else
+                {
+                    sp.InsertArrayElementAtIndex(sp.arraySize);
+                    var p = sp.GetArrayElementAtIndex(sp.arraySize - 1);
+                    p.FindPropertyRelative("m_Name").stringValue = prop.name;
+                    p.FindPropertyRelative("m_Type").intValue = (int)prop.type;
+                }
+
+                sp.serializedObject.ApplyModifiedProperties();
+            });
+        }
+
+        private struct ShaderProperty
+        {
+            public readonly string name;
+            public readonly AnimatableProperty.ShaderPropertyType type;
+
+            public ShaderProperty(string name)
+            {
+                this.name = name;
+                type = AnimatableProperty.ShaderPropertyType.Vector;
+            }
+
+            public ShaderProperty(string name, AnimatableProperty.ShaderPropertyType type)
+            {
+                this.name = name;
+                this.type = type;
+            }
+        }
+    }
+}

Packages/src/Editor/UIParticleEditor.cs

@@ -1,18 +1,24 @@
-#if UNITY_2019_3_11 || UNITY_2019_3_12 || UNITY_2019_3_13 || UNITY_2019_3_14 || UNITY_2019_3_15 || UNITY_2019_4_OR_NEWER
-#define SERIALIZE_FIELD_MASKABLE
-#endif
-using UnityEditor;
-using UnityEditor.UI;
-using UnityEngine;
 using System.Collections.Generic;
 using System.Linq;
+using System.Text.RegularExpressions;
+using UnityEditor;
+using UnityEditor.UI;
 using UnityEditorInternal;
+using UnityEngine;
+using UnityEngine.Profiling;
 using UnityEngine.UI;
-using System;
+using Coffee.UIParticleExtensions;
 #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
@@ -21,55 +27,43 @@ 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
-        {
-            public bool visible => s_SerializedObject != null;
-
-            public override void OnGUI()
-            {
-                if (visible)
-                {
-                    WindowFunction(null, null);
-                }
-            }
-        }
-#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;
-
-#if !SERIALIZE_FIELD_MASKABLE
-        private SerializedProperty m_Maskable;
-#endif
-        private SerializedProperty m_Scale3D;
-        private SerializedProperty m_AnimatableProperties;
-        private SerializedProperty m_MeshSharing;
-        private SerializedProperty m_GroupId;
-        private SerializedProperty m_GroupMaxId;
-
+        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 static bool s_XYZMode;
 
+        private SerializedProperty _maskable;
+        private SerializedProperty _scale3D;
+        private SerializedProperty _animatableProperties;
+        private SerializedProperty _meshSharing;
+        private SerializedProperty _groupId;
+        private SerializedProperty _groupMaxId;
+        private SerializedProperty _positionMode;
+        private SerializedProperty _autoScalingMode;
+        private SerializedProperty _useCustomView;
+        private SerializedProperty _customViewSize;
         private ReorderableList _ro;
-        static private bool _xyzMode;
         private bool _showMax;
 
         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",
@@ -77,63 +71,9 @@ namespace Coffee.UIExtensions
             "_StencilOp",
             "_StencilWriteMask",
             "_StencilReadMask",
-            "_ColorMask",
+            "_ColorMask"
         };
 
-
-        [InitializeOnLoadMethod]
-        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<UnityEngine.Object, SceneView>)WindowFunction;
-            var windowFunctionType = Type.GetType("UnityEditor.SceneViewOverlay+WindowFunction, UnityEditor");
-            var windowFunctionDelegate = Delegate.CreateDelegate(windowFunctionType, windowFunction.Method);
-            var windowTitle = new GUIContent(ObjectNames.NicifyVariableName(typeof(UIParticle).Name));
-#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 += _ => miSceneViewOverlayWindow.Invoke(null, sceneViewArgs);
-#else
-            SceneView.onSceneGUIDelegate += _ =>
-#endif
-            {
-                if (s_SerializedObject != null)
-                {
-                    miSceneViewOverlayWindow.Invoke(null, sceneViewArgs);
-                }
-            };
-#endif
-
-            Func<SerializedObject> createSerializeObject = () =>
-            {
-                var uiParticles = Selection.gameObjects
-                        .Select(x => x.GetComponent<ParticleSystem>())
-                        .Where(x => x)
-                        .Select(x => x.GetComponentInParent<UIParticle>())
-                        .Where(x => x)
-                        .Concat(
-                            Selection.gameObjects
-                                .Select(x => x.GetComponent<UIParticle>())
-                                .Where(x => x)
-                        )
-                        .Distinct()
-                        .ToArray();
-                return uiParticles.Any() ? new SerializedObject(uiParticles) : null;
-            };
-
-            s_SerializedObject = createSerializeObject();
-            Selection.selectionChanged += () => s_SerializedObject = createSerializeObject();
-        }
-
         //################################
         // Public/Protected Members.
         //################################
@@ -144,160 +84,212 @@ namespace Coffee.UIExtensions
         {
             base.OnEnable();
 
-            m_Maskable = serializedObject.FindProperty("m_Maskable");
-            m_Scale3D = serializedObject.FindProperty("m_Scale3D");
-            m_AnimatableProperties = serializedObject.FindProperty("m_AnimatableProperties");
-            m_MeshSharing = serializedObject.FindProperty("m_MeshSharing");
-            m_GroupId = serializedObject.FindProperty("m_GroupId");
-            m_GroupMaxId = serializedObject.FindProperty("m_GroupMaxId");
+            _maskable = serializedObject.FindProperty("m_Maskable");
+            _scale3D = serializedObject.FindProperty("m_Scale3D");
+            _animatableProperties = serializedObject.FindProperty("m_AnimatableProperties");
+            _meshSharing = serializedObject.FindProperty("m_MeshSharing");
+            _groupId = serializedObject.FindProperty("m_GroupId");
+            _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");
 
             var sp = serializedObject.FindProperty("m_Particles");
-            _ro = new ReorderableList(sp.serializedObject, sp, true, true, true, true);
-            _ro.elementHeight = EditorGUIUtility.singleLineHeight * 3 + 4;
-            _ro.elementHeightCallback = _ => 3 * (EditorGUIUtility.singleLineHeight + 2);
-            _ro.drawElementCallback = (rect, index, active, focused) =>
+            _ro = new ReorderableList(sp.serializedObject, sp, true, true, true, true)
             {
-                EditorGUI.BeginDisabledGroup(sp.hasMultipleDifferentValues);
-                rect.y += 1;
-                rect.height = EditorGUIUtility.singleLineHeight;
-                var p = sp.GetArrayElementAtIndex(index);
-                EditorGUI.ObjectField(rect, p, GUIContent.none);
-                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)
+                elementHeightCallback = index =>
                 {
-                    materials.serializedObject.ApplyModifiedProperties();
-                }
-            };
-            _ro.drawHeaderCallback = rect =>
-            {
-#if !UNITY_2019_3_OR_NEWER
-                rect.y -= 1;
-#endif
-                EditorGUI.LabelField(new Rect(rect.x, rect.y, 150, rect.height), s_ContentRenderingOrder);
-
-                if (GUI.Button(new Rect(rect.width - 35, rect.y, 60, rect.height), s_ContentRefresh, EditorStyles.miniButton))
-                {
-                    foreach (UIParticle t in targets)
+                    var ps = sp.GetArrayElementAtIndex(index).objectReferenceValue as ParticleSystem;
+                    var materialCount = 0;
+                    if (ps && ps.TryGetComponent<ParticleSystemRenderer>(out var psr))
                     {
-                        t.RefreshParticles();
+                        materialCount = psr.sharedMaterials.Length;
                     }
-                }
-            };
-            _ro.onReorderCallback = _ =>
-            {
-                foreach (UIParticle t in targets)
+
+                    return (materialCount + 1) * (EditorGUIUtility.singleLineHeight + 2);
+                },
+                drawElementCallback = (rect, index, _, __) =>
                 {
-                    t.RefreshParticles(t.particles);
+                    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 || !ps.TryGetComponent<ParticleSystemRenderer>(out var psr)) return;
+
+                    rect.x += 15;
+                    rect.width -= 15;
+                    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();
+                    }
+                },
+                drawHeaderCallback = rect =>
+                {
+#if !UNITY_2019_3_OR_NEWER
+                    rect.y -= 1;
+#endif
+                    var pos = new Rect(rect.x, rect.y, 150, rect.height);
+                    EditorGUI.LabelField(pos, s_ContentRenderingOrder);
+
+                    pos = new Rect(rect.width - 35, rect.y, 60, rect.height);
+                    if (GUI.Button(pos, s_ContentRefresh, EditorStyles.miniButton))
+                    {
+                        foreach (var uip in targets.OfType<UIParticle>())
+                        {
+                            uip.RefreshParticles();
+                            EditorUtility.SetDirty(uip);
+                        }
+                    }
                 }
             };
 
             // On select UIParticle, refresh particles.
             if (!Application.isPlaying)
             {
-                foreach (UIParticle t in targets)
+                foreach (var uip in targets.OfType<UIParticle>())
                 {
-                    t.RefreshParticles(t.particles);
+                    if (PrefabUtility.GetPrefabAssetType(uip) != PrefabAssetType.NotAPrefab) continue;
+                    uip.RefreshParticles(uip.particles);
                 }
             }
         }
 
-        private static void MaterialField(Rect rect, GUIContent label, SerializedProperty sp, int index)
-        {
-            if (sp == null || sp.arraySize <= index)
-            {
-                EditorGUI.BeginDisabledGroup(true);
-                EditorGUI.ObjectField(rect, label, null, typeof(Material), true);
-                EditorGUI.EndDisabledGroup();
-            }
-            else
-            {
-                EditorGUI.PropertyField(rect, sp.GetArrayElementAtIndex(index), label);
-            }
-        }
-
         /// <summary>
         /// Implement this function to make a custom inspector.
         /// </summary>
         public override void OnInspectorGUI()
         {
             var current = target as UIParticle;
-            if (current == null) return;
+            if (!current) return;
 
+            Profiler.BeginSample("(UIP:E) OnInspectorGUI");
             serializedObject.Update();
 
             // Maskable
-            EditorGUILayout.PropertyField(m_Maskable);
+            EditorGUILayout.PropertyField(_maskable);
 
             // Scale
-            EditorGUI.BeginDisabledGroup(!m_MeshSharing.hasMultipleDifferentValues && m_MeshSharing.intValue == 4);
-            _xyzMode = DrawFloatOrVector3Field(m_Scale3D, _xyzMode);
+            EditorGUI.BeginDisabledGroup(!_meshSharing.hasMultipleDifferentValues && _meshSharing.intValue == 4);
+            s_XYZMode = DrawFloatOrVector3Field(_scale3D, s_XYZMode);
             EditorGUI.EndDisabledGroup();
 
             // AnimatableProperties
-            var mats = current.particles
-                .Where(x => x)
-                .Select(x => x.GetComponent<ParticleSystemRenderer>().sharedMaterial)
-                .Where(x => x)
-                .ToArray();
-
-            // Animated properties
-            AnimatedPropertiesEditor.DrawAnimatableProperties(m_AnimatableProperties, mats);
+            current.GetMaterials(s_TempMaterials);
+            AnimatablePropertyEditor.Draw(_animatableProperties, s_TempMaterials);
 
             // Mesh sharing
             EditorGUI.BeginChangeCheck();
-            _showMax = DrawMeshSharing(m_MeshSharing, m_GroupId, m_GroupMaxId, _showMax);
+            _showMax = DrawMeshSharing(_meshSharing, _groupId, _groupMaxId, _showMax);
             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();
+                    }
                 }
             }
 
-            // Target ParticleSystems.
-            _ro.DoLayoutList();
+            // Position Mode
+            EditorGUILayout.PropertyField(_positionMode);
 
+            // Auto Scaling
+            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);
+            }
+
+            // Target ParticleSystems.
+            EditorGUI.BeginChangeCheck();
+            _ro.DoLayoutList();
             serializedObject.ApplyModifiedProperties();
 
-            // Does the shader support UI masks?
-            if (current.maskable && current.GetComponentInParent<Mask>())
+            if (EditorGUI.EndChangeCheck())
             {
-                foreach (var mat in current.materials)
+                EditorApplication.QueuePlayerLoopUpdate();
+                foreach (var uip in targets.OfType<UIParticle>())
+                {
+                    uip.RefreshParticles(uip.particles);
+                }
+            }
+
+            // Non-UI built-in shader is not supported.
+            Profiler.BeginSample("(UIP:E) Non-UI built-in shader is not supported.");
+            foreach (var mat in s_TempMaterials)
+            {
+                if (!mat || !mat.shader) continue;
+                var shader = mat.shader;
+                if (IsBuiltInObject(shader) && !shader.name.StartsWith("UI/"))
+                {
+                    EditorGUILayout.HelpBox(
+                        $"Built-in shader '{shader.name}' in '{mat.name}' is not supported.\n" +
+                        "Use UI shaders instead.",
+                        MessageType.Error);
+                }
+            }
+
+            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 s_TempMaterials)
                 {
                     if (!mat || !mat.shader) 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;
 
-                        EditorGUILayout.HelpBox(string.Format("Shader '{0}' doesn't have '{1}' property. This graphic cannot be masked.", shader.name, propName), MessageType.Warning);
+                        EditorGUILayout.HelpBox(
+                            $"Shader '{shader.name}' doesn't have '{propName}' property." +
+                            "\nThis graphic cannot be masked.",
+                            MessageType.Warning);
                         break;
                     }
                 }
             }
+
+            s_TempMaterials.Clear();
             s_Shaders.Clear();
+            Profiler.EndSample();
 
             // UIParticle for trail should be removed.
-            if (FixButton(current.m_IsTrail, "This UIParticle component should be removed. The UIParticle for trails is no longer needed."))
+            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);
             }
 
-            // #203: When using linear color space, the particle colors are not output correctly.
-            // To fix, set 'Apply Active Color Space' in renderer module to false.
+#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)
@@ -305,29 +297,36 @@ namespace Coffee.UIExtensions
                 .ToArray();
             if (0 < allPsRenderers.Length)
             {
-                var so = new SerializedObject(allPsRenderers);
-                var sp = so.FindProperty("m_ApplyActiveColorSpace");
-                if (FixButton(sp.boolValue || sp.hasMultipleDifferentValues, "When using linear color space, the particle colors are not output correctly.\nTo fix, set 'Apply Active Color Space' in renderer module to false."))
-                {
-                    sp.boolValue = false;
-                    so.ApplyModifiedProperties();
-                }
-
                 // Check to use 'TEXCOORD*.zw' components as custom vertex stream.
                 foreach (var psr in allPsRenderers)
                 {
-                    if (new SerializedObject(psr).FindProperty("m_UseCustomVertexStreams").boolValue == false) continue;
+                    if (!new SerializedObject(psr).FindProperty("m_UseCustomVertexStreams").boolValue) continue;
                     if (psr.activeVertexStreamsCount == 0) continue;
                     psr.GetActiveVertexStreams(s_Streams);
 
                     if (2 < s_Streams.Select(GetUsedComponentCount).Sum())
                     {
-                        EditorGUILayout.HelpBox(string.Format("ParticleSystem '{0}' uses 'TEXCOORD*.zw' components as custom vertex stream.\nUIParticle does not support it (See README.md).", psr.name), MessageType.Warning);
+                        EditorGUILayout.HelpBox(
+                            $"ParticleSystem '{psr.name}' uses 'TEXCOORD*.zw' components as custom vertex stream.\n" +
+                            "UIParticle does not support it (See README.md).",
+                            MessageType.Warning);
                     }
+
+                    s_Streams.Clear();
                 }
             }
+#endif
+            Profiler.EndSample();
         }
 
+        private static bool IsBuiltInObject(Object obj)
+        {
+            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)
@@ -383,10 +382,13 @@ namespace Coffee.UIExtensions
                 case ParticleSystemVertexStream.Custom2XYZW:
                     return 4;
             }
+
             return 3;
         }
+#endif
 
-        private static bool DrawMeshSharing(SerializedProperty spMeshSharing, SerializedProperty spGroupId, SerializedProperty spGroupMaxId, bool showMax)
+        private static bool DrawMeshSharing(SerializedProperty spMeshSharing, SerializedProperty spGroupId,
+            SerializedProperty spGroupMaxId, bool showMax)
         {
             showMax |= spGroupId.intValue != spGroupMaxId.intValue ||
                        spGroupId.hasMultipleDifferentValues ||
@@ -398,7 +400,10 @@ namespace Coffee.UIExtensions
             EditorGUI.BeginChangeCheck();
             showMax = GUILayout.Toggle(showMax, s_ContentRandom, EditorStyles.miniButton, GUILayout.Width(60));
             if (EditorGUI.EndChangeCheck() && !showMax)
+            {
                 spGroupMaxId.intValue = spGroupId.intValue;
+            }
+
             EditorGUILayout.EndHorizontal();
 
             EditorGUI.BeginDisabledGroup(spMeshSharing.intValue == 0);
@@ -411,55 +416,38 @@ namespace Coffee.UIExtensions
             else if (spMeshSharing.intValue == 1 || spMeshSharing.intValue == 4)
             {
                 EditorGUI.BeginDisabledGroup(true);
-                EditorGUILayout.ObjectField("Primary", UIParticleUpdater.GetPrimary(spGroupId.intValue), typeof(UIParticle), false);
+                var obj = UIParticleUpdater.GetPrimary(spGroupId.intValue);
+                EditorGUILayout.ObjectField(s_ContentPrimary, obj, typeof(UIParticle), false);
                 EditorGUI.EndDisabledGroup();
             }
+
             EditorGUI.indentLevel--;
             EditorGUI.EndDisabledGroup();
 
             return showMax;
         }
 
-        private static void WindowFunction(UnityEngine.Object target, SceneView sceneView)
+        private static void DrawAutoScaling(SerializedProperty prop)
         {
-            try
-            {
-                if (s_SerializedObject.targetObjects.Any(x => !x)) return;
-
-                s_SerializedObject.Update();
-                GUILayout.BeginHorizontal(GUILayout.Width(220f));
-                var labelWidth = EditorGUIUtility.labelWidth;
-                EditorGUIUtility.labelWidth = 60;
-                _xyzMode = DrawFloatOrVector3Field(s_SerializedObject.FindProperty("m_Scale3D"), _xyzMode);
-                EditorGUIUtility.labelWidth = labelWidth;
-                GUILayout.EndHorizontal();
-                s_SerializedObject.ApplyModifiedProperties();
-            }
-            catch
-            {
-            }
+            EditorGUILayout.PropertyField(prop);
         }
 
         private void DestroyUIParticle(UIParticle p, bool ignoreCurrent = false)
         {
-            if (!p || ignoreCurrent && target == p) return;
+            if (!p || (ignoreCurrent && target == p)) return;
 
             var cr = p.canvasRenderer;
             DestroyImmediate(p);
             DestroyImmediate(cr);
 
-#if UNITY_2021_2_OR_NEWER
-            var stage = UnityEditor.SceneManagement.PrefabStageUtility.GetCurrentPrefabStage();
-#elif UNITY_2018_3_OR_NEWER
-            var stage = UnityEditor.Experimental.SceneManagement.PrefabStageUtility.GetCurrentPrefabStage();
-#endif
 #if UNITY_2018_3_OR_NEWER
+            var stage = PrefabStageUtility.GetCurrentPrefabStage();
             if (stage != null && stage.scene.isLoaded)
             {
 #if UNITY_2020_1_OR_NEWER
-                string prefabAssetPath = stage.assetPath;
+                var prefabAssetPath = stage.assetPath;
 #else
-                string prefabAssetPath = stage.prefabAssetPath;
+                var prefabAssetPath = stage.prefabAssetPath;
 #endif
                 PrefabUtility.SaveAsPrefabAsset(stage.prefabContentsRoot, prefabAssetPath);
             }
@@ -508,7 +496,10 @@ namespace Coffee.UIExtensions
             EditorGUI.BeginChangeCheck();
             showXyz = GUILayout.Toggle(showXyz, s_Content3D, EditorStyles.miniButton, GUILayout.Width(30));
             if (EditorGUI.EndChangeCheck() && !showXyz)
+            {
                 z.floatValue = y.floatValue = x.floatValue;
+            }
+
             EditorGUILayout.EndHorizontal();
 
             return showXyz;

Packages/src/Editor/UIParticleMenu.cs

@@ -34,10 +34,10 @@ namespace Coffee.UIExtensions
             ps.transform.SetParent(uiParticle.transform, false);
             ps.transform.localPosition = Vector3.zero;
 
-            // Assign default material.
+            // Assign default material (UIAdditive).
             var renderer = ps.GetComponent<ParticleSystemRenderer>();
-            var defaultMat = AssetDatabase.GetBuiltinExtraResource<Material>("Default-Particle.mat");
-            renderer.material = defaultMat ? defaultMat : renderer.material;
+            var path = AssetDatabase.GUIDToAssetPath("9944483a3e009401ba5dcc42f14d5c63");
+            renderer.material = AssetDatabase.LoadAssetAtPath<Material>(path);
 
             // Refresh particles.
             uiParticle.RefreshParticles();

Packages/src/Icons.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 7a55e246f37df405bac88eac692e3a86
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: