chore(release): 5.0.0-preview.15 [skip ci]

# [5.0.0-preview.15](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.14...5.0.0-preview.15) (2025-02-21) ### Bug Fixes * component icons will no longer be displayed in the scene view ([6dfbdae](6dfbdae38d)) * editor crashed on exit play mode (editor, windows) ([47ee45c](47ee45cbbe)), closes [#351](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/351) ### Features * add 'TimeScaleMultiplier' option ([925af0b](925af0b604))
Merge remote-tracking branch 'origin/develop' into develop-preview
2026-06-29 10:45:10 +00:00 · 2025-02-21 09:45:26 +00:00 · 2025-02-21 18:38:11 +09:00 · 2025-01-03 14:26:44 +00:00 · 2025-01-03 23:14:17 +09:00 · 2025-01-03 14:12:36 +00:00
48 changed files with 2866 additions and 972 deletions
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -0,0 +1,28 @@
+name: 🚀 Deploy with Zip
+
+on:
+  workflow_dispatch:
+    inputs:
+      zip:
+        description: "The url to the zip file"
+        required: true
+
+jobs:
+  deploy:
+    name: 🚀 Deploy
+    runs-on: ubuntu-latest
+    permissions:
+      pages: write
+      id-token: write
+    steps:
+      - name: 📦 Download zip file To '_site'
+        run: |
+          curl -L ${{ github.event.inputs.zip }} -o _site.zip
+          unzip _site.zip -d _site
+          find _site -name __MACOSX | xargs rm -rf
+
+      - name: 📦 Upload '_site'
+        uses: actions/upload-pages-artifact@v3
+
+      - name: 🚀 Deploy To GitHub Pages
+        uses: actions/deploy-pages@v4
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -5,8 +5,9 @@ on:
  workflow_dispatch:
  push:
    branches:
-      - release
-      - release-*
+      - preview
+      - main
+      - v*.x
    tags-ignore:
      - "**"

@@ -22,15 +23,12 @@ jobs:
      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: ${{ steps.summary.outputs.split_to }}
    steps:
      - name: 🚚 Checkout (${{ github.ref_name }})
-        uses: actions/checkout@v6
+        uses: actions/checkout@v4

      - name: 🔖 Run semantic release
-        uses: cycjimmy/semantic-release-action@v6
+        uses: cycjimmy/semantic-release-action@v4
        id: release
        with:
          working_directory: Packages/src
@@ -38,64 +36,9 @@ jobs:
            @semantic-release/changelog
            @semantic-release/git
        env:
-          GITHUB_TOKEN: ${{ github.token }}
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}

-      - id: summary
-        run: |
+      - run: |
          echo "🔖 New release published: '${{ steps.release.outputs.new_release_published }}'" | tee -a $GITHUB_STEP_SUMMARY
-          echo "🔖 New release version: '${{ steps.release.outputs.new_release_version }}'" | tee -a $GITHUB_STEP_SUMMARY
          echo "🔖 New release channel: '${{ steps.release.outputs.new_release_channel }}'" | tee -a $GITHUB_STEP_SUMMARY
          echo "🔖 New release git tag: '${{ steps.release.outputs.new_release_git_tag }}'" | tee -a $GITHUB_STEP_SUMMARY
-          
-          if [ '${{ steps.release.outputs.new_release_published }}' = 'false' ]; then
-            echo "No new release published." | tee -a $GITHUB_STEP_SUMMARY
-          elif [ '${{ github.ref_name }}' = 'release' ]; then
-            echo "merge_to=develop" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
-            echo "split_to=main" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
-          else
-            channel=$(echo ${{ github.ref_name }} | sed 's/^release-//')
-            echo "merge_to=develop-${channel}" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
-            echo "split_to=${channel}" | tee -a $GITHUB_OUTPUT $GITHUB_STEP_SUMMARY
-          fi
-
-  merge-to:
-    if: needs.release.outputs.merge_to != ''
-    needs: release
-    name: 🔀 Merge to ${{ needs.release.outputs.merge_to }}
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    steps:
-      - name: 🚚 Checkout (${{ needs.release.outputs.merge_to }})
-        uses: actions/checkout@v5
-        with:
-          ref: ${{ needs.release.outputs.merge_to }}
-          fetch-depth: 0
-      - name: 🔀 Merge '${{ needs.release.outputs.tag }}' into '${{ needs.release.outputs.merge_to }}'
-        run: |
-          git config --local user.email "github-actions[bot]@users.noreply.github.com"
-          git config --local user.name "github-actions[bot]"
-          
-          git merge ${{ needs.release.outputs.tag }}
-          git push origin ${{ needs.release.outputs.merge_to }}
-
-  split-to:
-    if: needs.release.outputs.split_to != ''
-    needs: release
-    name: 🔀 Split package to ${{ needs.release.outputs.split_to }}
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    steps:
-      - name: 🚚 Checkout (${{ needs.release.outputs.tag }})
-        uses: actions/checkout@v5
-        with:
-          ref: ${{ needs.release.outputs.tag }}
-          fetch-depth: 0
-      - name: 🔀 Split subtree 'Packages/src' to '${{ needs.release.outputs.split_to }}'
-        run: |
-          split_to=${{ needs.release.outputs.split_to }}
-          git branch $split_to origin/$split_to
-          git subtree split --prefix=Packages/src --branch $split_to
-          git tag ${{ needs.release.outputs.version }} $split_to
-          git push origin ${{ needs.release.outputs.version }} $split_to:$split_to
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,10 +7,9 @@ run-name: 🧪 Test (${{ github.event.pull_request.title || github.ref_name }})

 env:
  # MINIMUM_VERSION: The minimum version of Unity.
-  MINIMUM_VERSION: 2020.3
+  MINIMUM_VERSION: 2019.4
  # EXCLUDE_FILTER: The excluded versions of Unity.
-  EXCLUDE_FILTER: "(2017|2018|2023.3)"
-  PROJECT_PATH: .
+  EXCLUDE_FILTER: "(2020.2.0|2021.1|2023.3)"

 on:
  workflow_dispatch:
@@ -22,12 +21,12 @@ on:
  push:
    branches:
      - develop
-      - "develop-*"
+      - develop-preview
    tags:
      - "!*"
    paths-ignore:
      - "**.md"
-  pull_request:
+  pull_request_target:
    types:
      - opened
      - reopened
@@ -39,29 +38,16 @@ jobs:
  setup:
    name: ⚙️ Setup
    runs-on: ubuntu-latest
-    permissions: {} # No permissions needed for setup job
    outputs:
      unityVersions: ${{ steps.setup.outputs.unityVersions }}
    steps:
-      - name: 🔑 Secrets check
-        run: |
-          if [ -z "$UNITY_EMAIL" ] || [ -z "$UNITY_PASSWORD" ] || [ -z "UNITY_LICENSE" ]; then
-            echo "Error: UNITY_EMAIL, UNITY_PASSWORD, and UNITY_LICENSE secrets must be set." | tee -a $GITHUB_STEP_SUMMARY >&2
-            echo "Error: See https://game.ci/docs/github/test-runner#basic-setup" | tee -a $GITHUB_STEP_SUMMARY >&2
-            echo "Error: Set the secrets at ${{ github.server_url }}/${{ github.repository }}/settings/secrets/actions" | tee -a $GITHUB_STEP_SUMMARY >&2
-            exit 1
-          fi
-        env:
-          UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
-          UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
-          UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
      - name: ⚙️ Find target Unity versions
        id: setup
        run: |
          echo "==== Target Unity Versions ===="
-          LATEST_VERSIONS=`npx -y unity-changeset@latest list --json --versions --all --latest-patch --ignore-alpha --min ${MINIMUM_VERSION}`
+          LATEST_VERSIONS=`npx unity-changeset@latest list --versions --latest-patch --min ${MINIMUM_VERSION} --json --all`
          if [ "${{ inputs.usePeriodVersions }}" = "true" ]; then
-            ADDITIONAL_VERSIONS=`npx -y unity-changeset@latest list --json --versions --ignore-alpha --min ${MINIMUM_VERSION} --grep '0f'`
+            ADDITIONAL_VERSIONS=`npx unity-changeset list --versions --grep '0f' --min ${MINIMUM_VERSION} --json`
          else
            ADDITIONAL_VERSIONS=[]
          fi
@@ -79,31 +65,45 @@ jobs:
    needs: setup
    strategy:
      fail-fast: false
-      max-parallel: 8
+      max-parallel: 6
      matrix:
        unityVersion: ${{ fromJson(needs.setup.outputs.unityVersions) }}
    steps:
      - name: 🚚 Checkout ($${{ github.ref }})
-        uses: actions/checkout@v6
+        if: github.event_name == 'push'
+        uses: actions/checkout@v4
+
+      - name: 🚚 Checkout pull request (pull_request_target)
+        if: github.event_name == 'pull_request_target'
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+          fetch-depth: 0
+
+      - name: 🚚 Marge pull request (pull_request_target)
+        if: github.event_name == 'pull_request_target'
+        run: |
+          git config user.name "GitHub Actions"
+          git config user.email "actions@github.com"
+          git merge origin/${{ github.event.pull_request.base.ref }} --no-edit

      - name: 📥 Cache library
-        uses: actions/cache@v5
+        uses: actions/cache@v4
        with:
-          path: ${{ env.PROJECT_PATH }}/Library
-          key: ${{ env.PROJECT_PATH }}-Library-${{ matrix.unityVersion }}-${{ github.event.pull_request.head.sha || github.sha }}
+          path: Library
+          key: Library-${{ matrix.unityVersion }}-${{ github.event.pull_request.head.sha || github.sha }}
          restore-keys: |
-            ${{ env.PROJECT_PATH }}-Library-${{ matrix.unityVersion }}-
-            ${{ env.PROJECT_PATH }}-Library-
+            Library-${{ matrix.unityVersion }}-
+            Library-

      - name: 🛠️ Build Unity Project (Test)
-        uses: game-ci/unity-builder@v5
+        uses: game-ci/unity-builder@v4
        timeout-minutes: 45
        with:
          customImage: ghcr.io/mob-sakai/unity3d:${{ matrix.unityVersion }}
          targetPlatform: StandaloneLinux64
          allowDirtyBuild: true
          customParameters: -nographics
-          projectPath: ${{ env.PROJECT_PATH }}
        env:
          UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
          UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
@@ -118,7 +118,6 @@ jobs:
          customParameters: -nographics
          checkName: ${{ matrix.unityVersion }} Test Results
          githubToken: ${{ github.token }}
-          projectPath: ${{ env.PROJECT_PATH }}
        env:
          UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
          UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
--- a/Assets/ProjectSettings/NanoMonitor.asset
+++ b/Assets/ProjectSettings/NanoMonitor.asset
@@ -18,12 +18,11 @@ MonoBehaviour:
  m_EnabledInEditor: 1
  m_AlwaysIncludeAssembly: 1
  m_InstantiateOnLoad: 1
-  m_Prefab: {fileID: 4567906826058368312, guid: 7cebff2d255b9433cbe23b243c193329,
+  m_Prefab: {fileID: 7211429669315726685, guid: b73940fc30a2f4eb9a73783e9c1f8da6,
    type: 3}
  m_Interval: 0.5
  m_Anchor: 0
  m_Width: 750
-  m_HelpUrl: https://github.com/mob-sakai/ParticleEffectForUGUI
  m_CustomMonitorItems:
  - m_Format: Screen:{0}x{1}
    m_Arg0:
--- a/Assets/ProjectSettings/NanoMonitor.prefab
+++ b/Assets/ProjectSettings/NanoMonitor.prefab
--- a/Assets/ProjectSettings/NanoMonitor.prefab.meta
+++ b/Assets/ProjectSettings/NanoMonitor.prefab.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: b73940fc30a2f4eb9a73783e9c1f8da6
+PrefabImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/ProjectSettings/UIParticleProjectSettings.asset
+++ b/Assets/ProjectSettings/UIParticleProjectSettings.asset
@@ -10,7 +10,7 @@ MonoBehaviour:
  m_Enabled: 1
  m_EditorHideFlags: 0
  m_Script: {fileID: 11500000, guid: f22a23b9d98e440478697f4adf30e61c, type: 3}
-  m_Name: UIParticleProjectSettings
+  m_Name: UIParticle
  m_EditorClassIdentifier: 
  m_EnableLinearToGamma: 1
  m_HideGeneratedObjects: 1
--- a/Assets/ProjectSettings/UIParticleProjectSettings.asset.meta
+++ b/Assets/ProjectSettings/UIParticleProjectSettings.asset.meta
@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: a5b9278dfbd194d04b1c6ae7031928c1
+guid: 4b9df7b8a4193489299b8f477348ae0c
 NativeFormatImporter:
  externalObjects: {}
  mainObjectFileID: 11400000
--- a/Assets/Tests/Editor/NewTestScript.cs
+++ b/Assets/Tests/Editor/NewTestScript.cs
@@ -1,21 +1,16 @@
 using System.Collections;
-using Coffee.UIParticleInternal;
 using NUnit.Framework;
-using UnityEngine;
 using UnityEngine.TestTools;

 namespace Coffee.UIParticle.Editor.Tests
 {
    public class NewTestScript
    {
-        [TestCase(-1)]
-        [TestCase(0)]
-        [TestCase(2048)]
-        [TestCase(3000)]
-        public void GetParticleArray(int requiredSize)
+        // A Test behaves as an ordinary method
+        [Test]
+        public void NewTestScriptSimplePasses()
        {
-            var array = ParticleSystemExtensions.GetParticleArray(requiredSize);
-            Debug.Log($"requiredSize: {requiredSize}, array.Length: {array.Length}");
+            // Use the Assert class to test conditions
        }

        // A UnityTest behaves like a coroutine in Play Mode. In Edit Mode you can use
--- a/Packages/manifest.json
+++ b/Packages/manifest.json
@@ -3,7 +3,7 @@
    "com.coffee.development": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/Development",
    "com.coffee.minimal-resource": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/MinimalResource",
    "com.coffee.nano-monitor": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/NanoMonitor",
-    "com.unity.ide.rider": "3.0.36",
+    "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"
--- a/Packages/packages-lock.json
+++ b/Packages/packages-lock.json
@@ -5,14 +5,14 @@
      "depth": 0,
      "source": "git",
      "dependencies": {},
-      "hash": "3c280f1a8f4db5038b881ff07f270efd9638fa31"
+      "hash": "52987fb6e66e7fc48498d8d164c3c8808de4de6b"
    },
    "com.coffee.minimal-resource": {
      "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/MinimalResource",
      "depth": 0,
      "source": "git",
      "dependencies": {},
-      "hash": "3c280f1a8f4db5038b881ff07f270efd9638fa31"
+      "hash": "52987fb6e66e7fc48498d8d164c3c8808de4de6b"
    },
    "com.coffee.nano-monitor": {
      "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/NanoMonitor",
@@ -21,7 +21,7 @@
      "dependencies": {
        "com.unity.ugui": "1.0.0"
      },
-      "hash": "3c280f1a8f4db5038b881ff07f270efd9638fa31"
+      "hash": "52987fb6e66e7fc48498d8d164c3c8808de4de6b"
    },
    "com.coffee.ui-particle": {
      "version": "file:src",
@@ -40,7 +40,7 @@
      "url": "https://packages.unity.com"
    },
    "com.unity.ide.rider": {
-      "version": "3.0.36",
+      "version": "3.0.31",
      "depth": 0,
      "source": "registry",
      "dependencies": {
--- a/Packages/src/.releaserc.json
+++ b/Packages/src/.releaserc.json
@@ -1,12 +1,13 @@
 {
  "branches": [
-    "release",
-    "release-4.x",
+    "main",
+    "[0-9]+.x",
    {
-      "name": "release-preview",
-      "prerelease": "preview"
+      "name": "preview",
+      "prerelease": true
    }
  ],
+  "tagFormat": "${version}",
  "plugins": [
    "@semantic-release/commit-analyzer",
    "@semantic-release/release-notes-generator",
--- a/Packages/src/CHANGELOG.md
+++ b/Packages/src/CHANGELOG.md
@@ -1,75 +1,17 @@
-## [4.12.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.12.1...v4.12.2) (2026-06-08)
-
-
-### Bug Fixes
-
-* add `meshCleared` flag to optimize mesh clearing ([859fa20](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/859fa20d297c3f44e3361f20dbb7ce966407e03e))
-* fix Unity6.5 compile errors and warnings ([a5ee687](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a5ee6878212be2fc4d7b48879426f239e8753009)), closes [#400](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/400)
-* potential access to UIParticleRenderer that has already been destroyed ([b740dd6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b740dd662d423c6bef849662ce1b0bfbb4940ed4)), closes [#403](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/403)
-* updated support for some changed menu paths ([f8ac986](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/f8ac9869f141238169730e74f5d65c4fc6081f51)), closes [#397](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/397)
-
-## [4.12.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.12.0...v4.12.1) (2026-03-24)
-
-
-### Bug Fixes
-
-* ignore "EditorOnly" tagged gameObjects on refresh ([031d46a](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/031d46a3216c942d2d1a6ccfadf5f0b9e3ce3006))
-
-# [4.12.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.4...v4.12.0) (2026-03-24)
-
-
-### Features
-
-* explicit null checks ([5384f61](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5384f61c569e9f78ff9d5b45acfc6f5c2f021a87))
-
-## [4.11.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.3...v4.11.4) (2025-12-24)
-
-
-### Bug Fixes
-
-* add early return for case where subEmitter module is disabled ([d1386a1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/d1386a12216743a6e09f1b9b87bea1dfcf7702e4))
-* avoid endless loop ([eb2e862](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/eb2e862e80e549c8cf16ddfed776c101c2413bac)), closes [#392](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/392)
-
-## [4.11.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.2...v4.11.3) (2025-10-14)
-
-
-### Bug Fixes
-
-* fix icon ([a9461ec](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a9461ecb4d40d7fe878e12465d6e38faae7ae65b))
-* fix URL link in README ([1c8c65d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1c8c65d25e7f6fe7b1d20da4461333df8fc7578e)), closes [#376](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/376)
-* fix: second and subsequent bursts not displayed when world simulation and non-looping ([df2f3ca](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/df2f3caafbe279f1457d74f8183cb561ac14aa17)), closes [#326](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/326)
-* UIParticle in canvas with 0f-0.01f alpha value does not start to play until alpha value is greater than 0.01f, causes play calls to be delayed unintentionally if canvas alpha value is set to mentioned value range ([38aec2e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/38aec2ea1afd77677d629c86665a3342d92e49d9))
-
-## [4.11.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.1...v4.11.2) (2025-03-15)
-
-
-### Bug Fixes
-
-* IL2CPP build fails on older versions of Unity ([0da6525](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0da652520cd165b43de7404c0b0ab1fbcf9349d1))
-* NRE on enable ([0cff50e](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/0cff50ef696aa53fb7c46a9a737b7cf3a05b7b9b)), closes [#359](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/359)
-
-## [4.11.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.11.0...v4.11.1) (2025-02-21)
+# [5.0.0-preview.15](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.14...5.0.0-preview.15) (2025-02-21)


 ### Bug Fixes

 * component icons will no longer be displayed in the scene view ([6dfbdae](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/6dfbdae38d3822ab9c2c6f0e4ca1ca32ee98a239))
-
-# [4.11.0](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.7...v4.11.0) (2025-02-21)
+* editor crashed on exit play mode (editor, windows) ([47ee45c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/47ee45cbbe651a8f87ca2b8a3948f8b88db8211e)), closes [#351](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/351)


 ### Features

 * add 'TimeScaleMultiplier' option ([925af0b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/925af0b6046f65f23a778f67cefa8ff9cbedb513))

-## [4.10.7](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.6...v4.10.7) (2025-01-14)
-
-
-### Bug Fixes
-
-* editor crashed on exit play mode (editor, windows) ([47ee45c](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/47ee45cbbe651a8f87ca2b8a3948f8b88db8211e)), closes [#351](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/351)
-
-## [4.10.6](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.5...v4.10.6) (2025-01-03)
+# [5.0.0-preview.14](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.13...5.0.0-preview.14) (2025-01-03)


 ### Bug Fixes
@@ -77,6 +19,19 @@
 * sub-emitter particles may not render correctly in certain scenarios ([8276684](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/8276684c3b1646f0490ed64557547ba15281664a)), closes [#348](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/348)
 * sub-emitter's `inherit velocity` module doubles at runtime ([67de3d1](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/67de3d1bd3e16dc9b564625cb990c53d75769506)), closes [#349](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/349)

+# [5.0.0-preview.13](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.12...5.0.0-preview.13) (2025-01-03)
+
+
+### Features
+
+* change the default value of `UIParticle.scale` from `10` to `1` ([9955eef](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9955eefdc22cf565502f85c87cd2efd3a25fbe50))
+* UIParticle no longer inherits from MaskableGraphic ([c09bfb8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c09bfb81abc9179bf5fc49d29eaf7fc4ed01a4dc))
+
+
+### BREAKING CHANGES
+
+* Some members inherited from MaskableGraphic will no longer be available.
+
 ## [4.10.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.10.4...v4.10.5) (2024-12-23)


--- a/Packages/src/Editor/AnimatablePropertyEditor.cs
+++ b/Packages/src/Editor/AnimatablePropertyEditor.cs
@@ -76,21 +76,12 @@ namespace Coffee.UIExtensions
            for (var j = 0; j < mats.Count; j++)
            {
                var mat = mats[j];
-                if (mat == null || mat.shader == null) continue;
+                if (!mat || !mat.shader) continue;

-#if UNITY_6000_5_OR_NEWER
-                for (var i = 0; i < mat.shader.GetPropertyCount(); i++)
-#else
                for (var i = 0; i < ShaderUtil.GetPropertyCount(mat.shader); i++)
-#endif
                {
-#if UNITY_6000_5_OR_NEWER
-                    var name = mat.shader.GetPropertyName(i);
-                    var type = (AnimatableProperty.ShaderPropertyType)mat.shader.GetPropertyType(i);
-#else
                    var name = ShaderUtil.GetPropertyName(mat.shader, i);
                    var type = (AnimatableProperty.ShaderPropertyType)ShaderUtil.GetPropertyType(mat.shader, i);
-#endif
                    if (!s_Names.Add(name)) continue;

                    AddMenu(gm, sp, new ShaderProperty(name, type), true);
--- a/Packages/src/Editor/UIParticleEditor.cs
+++ b/Packages/src/Editor/UIParticleEditor.cs
@@ -1,19 +1,18 @@
-using System;
 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 Coffee.UIParticleInternal;
-using Object = UnityEngine.Object;
 #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;
@@ -26,7 +25,7 @@ namespace Coffee.UIExtensions
 {
    [CustomEditor(typeof(UIParticle))]
    [CanEditMultipleObjects]
-    internal class UIParticleEditor : GraphicEditor
+    internal class UIParticleEditor : Editor
    {
        internal class State : ScriptableSingleton<State>
        {
@@ -49,7 +48,6 @@ namespace Coffee.UIExtensions
        private static readonly GUIContent s_ContentRandom = new GUIContent("Random");
        private static readonly GUIContent s_ContentScale = new GUIContent("Scale");
        private static readonly GUIContent s_ContentPrimary = new GUIContent("Primary");
-        private static readonly GUIContent s_Remove = new GUIContent("Remove");
        private static readonly Regex s_RegexBuiltInGuid = new Regex(@"^0{16}.0{15}$", RegexOptions.Compiled);
        private static readonly List<Material> s_TempMaterials = new List<Material>();

@@ -67,7 +65,6 @@ namespace Coffee.UIExtensions
        private ReorderableList _ro;
        private bool _showMax;
        private bool _is3DScaleMode;
-        private GameObject[] _gameObjects;

        private static readonly HashSet<Shader> s_Shaders = new HashSet<Shader>();
 #if UNITY_2018 || UNITY_2019
@@ -89,10 +86,8 @@ namespace Coffee.UIExtensions
        /// <summary>
        /// This function is called when the object becomes enabled and active.
        /// </summary>
-        protected override void OnEnable()
+        private void OnEnable()
        {
-            base.OnEnable();
-
            _maskable = serializedObject.FindProperty("m_Maskable");
            _scale3D = serializedObject.FindProperty("m_Scale3D");
            _animatableProperties = serializedObject.FindProperty("m_AnimatableProperties");
@@ -112,7 +107,7 @@ namespace Coffee.UIExtensions
                {
                    var ps = sp.GetArrayElementAtIndex(index).objectReferenceValue as ParticleSystem;
                    var materialCount = 0;
-                    if (ps != null && ps.TryGetComponent<ParticleSystemRenderer>(out var psr))
+                    if (ps && ps.TryGetComponent<ParticleSystemRenderer>(out var psr))
                    {
                        materialCount = psr.sharedMaterials.Length;
                    }
@@ -126,7 +121,7 @@ namespace Coffee.UIExtensions
                    var p = sp.GetArrayElementAtIndex(index);
                    EditorGUI.ObjectField(rect, p, GUIContent.none);
                    var ps = p.objectReferenceValue as ParticleSystem;
-                    if (ps == null || !ps.TryGetComponent<ParticleSystemRenderer>(out var psr)) return;
+                    if (!ps || !ps.TryGetComponent<ParticleSystemRenderer>(out var psr)) return;

                    rect.x += 15;
                    rect.width -= 15;
@@ -185,13 +180,6 @@ namespace Coffee.UIExtensions
                                 y.hasMultipleDifferentValues ||
                                 z.hasMultipleDifferentValues;
            }
-
-            // Add temporary ParticleSystem for preview if enabled.
-            if (UIParticleProjectSettings.s_PreviewOnSelectOnSelect)
-            {
-                _gameObjects = targets.OfType<UIParticle>().Select(x => x.gameObject).ToArray();
-                ParticleSystemPreviewSystem.Register(_gameObjects);
-            }
        }

        /// <summary>
@@ -200,16 +188,13 @@ namespace Coffee.UIExtensions
        public override void OnInspectorGUI()
        {
            var current = target as UIParticle;
-            if (current == null) return;
+            if (!current) return;

            Profiler.BeginSample("(UIP:E) OnInspectorGUI");
            serializedObject.Update();

            // Maskable
-            if (_maskable != null)
-            {
            EditorGUILayout.PropertyField(_maskable);
-            }

            // Scale
            EditorGUI.BeginDisabledGroup(!_meshSharing.hasMultipleDifferentValues && _meshSharing.intValue == 4);
@@ -279,7 +264,7 @@ namespace Coffee.UIExtensions
            Profiler.BeginSample("(UIP:E) Non-UI built-in shader is not supported.");
            foreach (var mat in s_TempMaterials)
            {
-                if (mat == null || mat.shader == null) continue;
+                if (!mat || !mat.shader) continue;
                var shader = mat.shader;
                if (IsBuiltInObject(shader) && !shader.name.StartsWith("UI/"))
                {
@@ -298,7 +283,7 @@ namespace Coffee.UIExtensions
            {
                foreach (var mat in s_TempMaterials)
                {
-                    if (mat == null || mat.shader == null) continue;
+                    if (!mat || !mat.shader) continue;
                    var shader = mat.shader;
                    if (!s_Shaders.Add(shader)) continue;

@@ -356,10 +341,6 @@ namespace Coffee.UIExtensions
                }
            }
 #endif
-
-            // Remove the temporary ParticleSystem.
-            ParticleSystemPreviewSystem.DrawWarningForTemporary(_gameObjects);
-
            Profiler.EndSample();
        }

@@ -480,9 +461,11 @@ namespace Coffee.UIExtensions
        {
            if (!p || (ignoreCurrent && target == p)) return;

-            var cr = p.canvasRenderer;
-            DestroyImmediate(p);
-            DestroyImmediate(cr);
+            Misc.DestroyImmediate(p);
+            if (p.TryGetComponent<CanvasRenderer>(out var cr))
+            {
+                Misc.DestroyImmediate(cr);
+            }

 #if UNITY_2018_3_OR_NEWER
            var stage = PrefabStageUtility.GetCurrentPrefabStage();
@@ -498,7 +481,7 @@ namespace Coffee.UIExtensions
 #endif
        }

-        private static bool FixButton(bool show, string text, GUIContent buttonText = null)
+        private static bool FixButton(bool show, string text)
        {
            if (!show) return false;
            using (new EditorGUILayout.HorizontalScope(GUILayout.ExpandWidth(true)))
@@ -506,7 +489,7 @@ namespace Coffee.UIExtensions
                EditorGUILayout.HelpBox(text, MessageType.Warning, true);
                using (new EditorGUILayout.VerticalScope())
                {
-                    return GUILayout.Button(buttonText ?? s_ContentFix, GUILayout.ExpandWidth(false));
+                    return GUILayout.Button(s_ContentFix, GUILayout.Width(30));
                }
            }
        }
--- a/Packages/src/Editor/UIParticleMenu.cs
+++ b/Packages/src/Editor/UIParticleMenu.cs
@@ -6,22 +6,11 @@ namespace Coffee.UIExtensions
 {
    internal class UIParticleMenu
    {
-#if UNITY_6000_5_OR_NEWER
-        private const string k_MenuPathToCreateParticleSystem = "GameObject/Visual Effects/Particle System";
-#else
-        private const string k_MenuPathToCreateParticleSystem = "GameObject/Effects/Particle System";
-#endif
-#if UNITY_6000_3_OR_NEWER
-        private const string k_MenuPathForUgui = "GameObject/UI (Canvas)";
-#else
-        private const string k_MenuPathForUgui = "GameObject/UI";
-#endif
-
-        [MenuItem(k_MenuPathForUgui + "/Particle System (Empty)", false, 2018)]
+        [MenuItem("GameObject/UI/Particle System (Empty)", false, 2018)]
        private static void AddParticleEmpty(MenuCommand menuCommand)
        {
            // Create empty UI element.
-            EditorApplication.ExecuteMenuItem(k_MenuPathForUgui + "/Image");
+            EditorApplication.ExecuteMenuItem("GameObject/UI/Image");
            var ui = Selection.activeGameObject;
            Object.DestroyImmediate(ui.GetComponent<Image>());

@@ -32,7 +21,7 @@ namespace Coffee.UIExtensions
            uiParticle.rectTransform.sizeDelta = Vector2.zero;
        }

-        [MenuItem(k_MenuPathForUgui + "/Particle System", false, 2019)]
+        [MenuItem("GameObject/UI/Particle System", false, 2019)]
        private static void AddParticle(MenuCommand menuCommand)
        {
            // Create empty UIEffect.
@@ -40,7 +29,7 @@ namespace Coffee.UIExtensions
            var uiParticle = Selection.activeGameObject.GetComponent<UIParticle>();

            // Create ParticleSystem.
-            EditorApplication.ExecuteMenuItem(k_MenuPathToCreateParticleSystem);
+            EditorApplication.ExecuteMenuItem("GameObject/Effects/Particle System");
            var ps = Selection.activeGameObject;
            ps.transform.SetParent(uiParticle.transform, false);
            ps.transform.localPosition = Vector3.zero;
--- a/Packages/src/Icons.meta
+++ b/Packages/src/Icons.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 7a55e246f37df405bac88eac692e3a86
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Packages/src/Editor/UIParticleIcon.png
+++ b/Packages/src/Editor/UIParticleIcon.png
--- a/Packages/src/Editor/UIParticleIcon.png.meta
+++ b/Packages/src/Editor/UIParticleIcon.png.meta
--- a/Packages/src/README.md
+++ b/Packages/src/README.md
@@ -1,9 +1,9 @@
-# <img alt="UIParticleIcon" src="https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/d76e105e-a840-4f61-a1f6-8cf311c0812d" width="26"/> Particle Effect For UGUI (UI Particle) <!-- omit in toc -->
+# <img alt="UIParticleIcon" src="https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/d76e105e-a840-4f61-a1f6-8cf311c0812d" width="26"/> UI Particle v5 <!-- omit in toc -->

 [![](https://img.shields.io/npm/v/com.coffee.ui-particle?label=openupm&registry_uri=https://package.openupm.com)](https://openupm.com/packages/com.coffee.ui-particle/)
 [![](https://img.shields.io/github/v/release/mob-sakai/ParticleEffectForUGUI)](https://github.com/mob-sakai/ParticleEffectForUGUI/releases)
 [![](https://img.shields.io/github/license/mob-sakai/ParticleEffectForUGUI.svg)](https://github.com/mob-sakai/ParticleEffectForUGUI/blob/main/LICENSE.md)  
-![](https://img.shields.io/badge/Unity-2018.2+-57b9d3.svg?style=flat&logo=unity)
+![](https://img.shields.io/badge/Unity-2019.3+-57b9d3.svg?style=flat&logo=unity)
 ![](https://img.shields.io/badge/uGUI_2.0_Ready-57b9d3.svg?style=flat)
 ![](https://img.shields.io/badge/UPR%2FHDPR_Ready-57b9d3.svg?style=flat)  
 ![](https://github.com/mob-sakai/ParticleEffectForUGUI/actions/workflows/test.yml/badge.svg?branch=develop)
@@ -11,7 +11,7 @@
 [![](https://img.shields.io/github/watchers/mob-sakai/ParticleEffectForUGUI.svg?style=social&label=Watch)](https://github.com/mob-sakai/ParticleEffectForUGUI/subscription)
 [![](https://img.shields.io/twitter/follow/mob_sakai.svg?label=Follow&style=social)](https://twitter.com/intent/follow?screen_name=mob_sakai)

-<< [📝 Description](#-description-) | [📌 Key Features](#-key-features) | [🎮 Demo](#-demo) | [⚙ Installation](#-installation) | [🚀 Usage](#-usage) | [🛠 Development Note](#-development-note) | [🤝 Contributing](#-contributing) >>
+<< [📝 Description](#-description-) | [📌 Key Features](#-key-features) | [🎮 Demo](#-demo) | [⚙ Installation](#-installation) | [🔄 Upgrading to 5.x](#-upgrading-from-3x4x-to-5x) | [🚀 Usage](#-usage) | [🛠 Development Note](#-development-note) | [🤝 Contributing](#-contributing) >>

 ## 📝 Description <!-- omit in toc -->

@@ -27,6 +27,8 @@ You can render, mask, and sort your `ParticleSystems` for UI without the need fo
    - [Install via UPM (with Package Manager UI)](#install-via-upm-with-package-manager-ui)
    - [Install via UPM (Manually)](#install-via-upm-manually)
  - [Install as Embedded Package](#install-as-embedded-package)
+- [🔄 Upgrading from v3/v4 to v5](#-upgrading-from-v3v4-to-v5)
+  - [Breaking Changes](#breaking-changes)
 - [🚀 Usage](#-usage)
  - [Component: UIParticle](#component-uiparticle)
  - [Basic Usage](#basic-usage)
@@ -104,7 +106,7 @@ You can render, mask, and sort your `ParticleSystems` for UI without the need fo

 ## ⚙ Installation

-_This package requires **Unity 2018.3 or later**._
+_This package requires **Unity 2019.3 or later**._

 #### Install via OpenUPM

@@ -116,16 +118,16 @@ _This package requires **Unity 2018.3 or later**._
  ```
 - To update the package, use Package Manager UI (`Window > Package Manager`) or run the following command with `@{version}`:
  ```
-  openupm add com.coffee.ui-particle@4.9.0
+  openupm add com.coffee.ui-particle@5.0.0
  ```

 #### Install via UPM (with Package Manager UI)

 - Click `Window > Package Manager` to open Package Manager UI.
- Click `+ > Add package from git URL...` and input the repository URL: `https://github.com/mob-sakai/ParticleEffectForUGUI.git`  
+- Click `+ > Add package from git URL...` and input the repository URL: `https://github.com/mob-sakai/ParticleEffectForUGUI.git?path=Packages/src`  
  ![](https://github.com/user-attachments/assets/f88f47ad-c606-44bd-9e86-ee3f72eac548)
 - To update the package, change suffix `#{version}` to the target version.
-  - e.g. `https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.9.0`
+  - e.g. `https://github.com/mob-sakai/ParticleEffectForUGUI.git?path=Packages/src#5.0.0`

 #### Install via UPM (Manually)

@@ -133,22 +135,41 @@ _This package requires **Unity 2018.3 or later**._
  ```json
  {
    "dependencies": {
-      "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git",
+      "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git?path=Packages/src",
      ...
    }
  }
  ```

 - To update the package, change suffix `#{version}` to the target version.
-  - e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.9.0",`
+  - e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git?path=Packages/src#5.0.0",`

-#### Install as Embedded Package
+### Install as Embedded Package

-1. Download a source code zip file from [Releases](https://github.com/mob-sakai/ParticleEffectForUGUI/releases) and extract it.
-2. Place it in your project's `Packages` directory.  
-   ![](https://github.com/mob-sakai/mob-sakai/assets/12690315/0b7484b4-5fca-43b0-a9ef-e5dbd99bcdb4)
- If you want to fix bugs or add features, install it as an embedded package.
- To update the package, you need to re-download it and replace the contents.
+1. Download the `Source code (zip)` file from [Releases](https://github.com/mob-sakai/SoftMaskForUGUI/releases) and
+   extract it.
+2. Move the `<extracted_dir>/Packages/src` directory into your project's `Packages` directory.  
+   ![](https://github.com/user-attachments/assets/187cbcbe-5922-4ed5-acec-cf19aa17d208)
+    - You can rename the `src` directory if needed.
+    - If you intend to fix bugs or add features, installing it as an embedded package is recommended.
+    - To update the package, re-download it and replace the existing contents.
+
+<br><br>
+
+## 🔄 Upgrading from v3/v4 to v5
+
+### Breaking Changes
+
+- The default value of `UIParticle.scale` has been changed from `10` to `1`.
+- `UIParticle` no longer inherits from `MaskableGraphic`.
+- If you are installing via git URL, add `?path=Packages/src`.
+   ```json
+   // v3/v4
+   "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git",
+   
+   // v5
+   "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git?path=Packages/src",
+   ```

 <br><br>

@@ -183,14 +204,9 @@ _This package requires **Unity 2018.3 or later**._
 - **Time Scale Multiplier:** Time scale multiplier.
 - **Rendering Order**: The ParticleSystem list to be rendered. You can change the order and the materials.

-> [!TIPS]
-> Press the `Refresh` button to reconstruct the rendering order based on children ParticleSystem's sorting order
+**NOTE:** Press the `Refresh` button to reconstruct the rendering order based on children ParticleSystem's sorting order
 and z-position.

-> [!TIPS]
-> When a `GameObject` with this component is selected in the editor, a temporary `ParticleSystem` is added if needed so you can preview the effect in the Scene view.
-> The generated `ParticleSystem` is marked with `HideFlags.DontSave`, so it is neither saved nor included in builds.
-
 <br><br>

 ### Basic Usage
@@ -200,10 +216,6 @@ and z-position.
 2. Adjust the ParticleSystem as you like.
   ![particle1](https://user-images.githubusercontent.com/12690315/95007359-ca385200-0649-11eb-8383-627c9750bda8.png)

-> [!Tips]
-> Adding a `UIParticle` to the parent is the recommended setup rather than attaching it directly to the `ParticleSystem`.
-> When using `ParticleSystem.emission.rateOverDistance`, it is recommended to move the transform of `UIParticle` rather than the `ParticleSystem`.
-
 <br>

 ### Usage with Your Existing ParticleSystem Prefab
@@ -265,34 +277,13 @@ uiParticle.Stop();
    - **Unscaled Time:** Update with unscaled delta time.
 - **OnAttracted**: An event called when attracting is complete (per particle).

-
-<br><br>
-
-### Component: ParticleSystemPreviewer
-
-`ParticleSystemPreviewer` is used to preview a ParticleSystem in the editor.
-
- When a `GameObject` with this component is selected in the editor, a temporary `ParticleSystem` is added if needed so you can preview the effect in the Scene view.
- The generated `ParticleSystem` is marked with `HideFlags.DontSave`, so it is neither saved nor included in builds.
-
-
 <br><br>

 ### Project Settings

-You can adjust the project-wide settings for `UI Particle`. (`Edit > Project Settings > UI > UI Particle`)
+![](https://github.com/user-attachments/assets/befc7f34-fb47-4006-831a-eba79fda11ca)

-![](https://github.com/mob-sakai/mob-sakai/releases/download/docs/1782270746550.png)
-
-#### Settings
-
- **Enable Linear To Gamma**: Automatically correct the color space of the mesh.
-
-#### Editor
-
- **Hide Generated Component**: Automatically hide the generated `UIParticleRenderer` component and `UIParticle BakingCamera`.
-
- **Preview On Select**: When selecting UIParticle, a temporary ParticleSystem is generated for preview.
+- Click `Edit > Project Settings` to open the Project Settings window and then select `UI > UI Particle` category.

 <br><br>

--- a/Packages/src/Runtime/AnimatableProperty.cs
+++ b/Packages/src/Runtime/AnimatableProperty.cs
@@ -37,17 +37,37 @@ namespace Coffee.UIExtensions
            switch (type)
            {
                case ShaderPropertyType.Color:
-                    material.SetColor(id, mpb.GetColor(id));
+                    var color = mpb.GetColor(id);
+                    if (color != default)
+                    {
+                        material.SetColor(id, color);
+                    }
+
                    break;
                case ShaderPropertyType.Vector:
-                    material.SetVector(id, mpb.GetVector(id));
+                    var vector = mpb.GetVector(id);
+                    if (vector != default)
+                    {
+                        material.SetVector(id, vector);
+                    }
+
                    break;
                case ShaderPropertyType.Float:
                case ShaderPropertyType.Range:
-                    material.SetFloat(id, mpb.GetFloat(id));
+                    var value = mpb.GetFloat(id);
+                    if (!Mathf.Approximately(value, 0))
+                    {
+                        material.SetFloat(id, value);
+                    }
+
                    break;
                case ShaderPropertyType.Texture:
-                    material.SetTexture(id, mpb.GetTexture(id));
+                    var tex = mpb.GetTexture(id);
+                    if (tex != default(Texture))
+                    {
+                        material.SetTexture(id, tex);
+                    }
+
                    break;
            }
        }
--- a/Packages/src/Runtime/Coffee.UIParticle.R.dll
+++ b/Packages/src/Runtime/Coffee.UIParticle.R.dll
--- a/Packages/src/Runtime/Internal/Extensions/ComponentExtensions.cs
+++ b/Packages/src/Runtime/Internal/Extensions/ComponentExtensions.cs
@@ -12,33 +12,6 @@ namespace Coffee.UIParticleInternal
    /// </summary>
    internal static class ComponentExtensions
    {
-#if !UNITY_2019_2_OR_NEWER
-        public static bool TryGetComponent<T>(this GameObject self, out T component)
-            where T : Component
-        {
-            if (self == null)
-            {
-                component = null;
-                return false;
-            }
-
-            component = self.GetComponent<T>();
-            return component != null;
-        }
-
-        public static bool TryGetComponent<T>(this Component self, out T component)
-            where T : Component
-        {
-            if (self == null)
-            {
-                component = null;
-                return false;
-            }
-
-            return self.gameObject.TryGetComponent(out component);
-        }
-#endif
-
        /// <summary>
        /// Get components in children of a specific type in the hierarchy of a GameObject.
        /// </summary>
@@ -65,7 +38,7 @@ namespace Coffee.UIParticleInternal
        private static void GetComponentsInChildren_Internal<T>(this Component self, List<T> results, int depth)
            where T : Component
        {
-            if (self == null || results == null || depth < 0) return;
+            if (!self || results == null || depth < 0) return;

            var tr = self.transform;
            if (tr.TryGetComponent<T>(out var t))
@@ -86,7 +59,7 @@ namespace Coffee.UIParticleInternal
        /// </summary>
        public static T GetOrAddComponent<T>(this Component self) where T : Component
        {
-            if (self == null) return null;
+            if (!self) return null;
            return self.TryGetComponent<T>(out var component)
                ? component
                : self.gameObject.AddComponent<T>();
@@ -193,7 +166,7 @@ namespace Coffee.UIParticleInternal
 #if !UNITY_2021_2_OR_NEWER && !UNITY_2020_3_45 && !UNITY_2020_3_46 && !UNITY_2020_3_47 && !UNITY_2020_3_48
        public static T GetComponentInParent<T>(this Component self, bool includeInactive) where T : Component
        {
-            if (self == null) return null;
+            if (!self) return null;
            if (!includeInactive) return self.GetComponentInParent<T>();

            var current = self.transform;
@@ -213,7 +186,7 @@ namespace Coffee.UIParticleInternal
        /// </summary>
        internal static bool CanConvertTo<T>(this Object context) where T : MonoBehaviour
        {
-            return context != null && context.GetType() != typeof(T);
+            return context && context.GetType() != typeof(T);
        }

        /// <summary>
--- a/Packages/src/Runtime/Internal/Extensions/SpriteExtensions.cs
+++ b/Packages/src/Runtime/Internal/Extensions/SpriteExtensions.cs
@@ -32,10 +32,10 @@ namespace Coffee.UIParticleInternal
        /// </summary>
        public static Texture2D GetActualTexture(this Sprite self)
        {
-            if (self == null) return null;
+            if (!self) return null;

            var ret = s_GetActiveAtlasTextureMethod(self);
-            return ret != null ? ret : self.texture;
+            return ret ? ret : self.texture;
        }

        /// <summary>
@@ -43,7 +43,7 @@ namespace Coffee.UIParticleInternal
        /// </summary>
        public static SpriteAtlas GetActiveAtlas(this Sprite self)
        {
-            if (self == null) return null;
+            if (!self) return null;

            return s_GetActiveAtlasMethod(self);
        }
@@ -53,7 +53,7 @@ namespace Coffee.UIParticleInternal
        /// </summary>
        internal static Texture2D GetActualTexture(this Sprite self)
        {
-            return self != null ? self.texture : null;
+            return self ? self.texture : null;
        }
 #endif
    }
--- a/Packages/src/Runtime/Internal/ProjectSettings/PreloadedProjectSettings.cs
+++ b/Packages/src/Runtime/Internal/ProjectSettings/PreloadedProjectSettings.cs
@@ -14,15 +14,6 @@ namespace Coffee.UIParticleInternal
    public abstract class PreloadedProjectSettings : ScriptableObject
 #if UNITY_EDITOR
    {
-        [Tooltip("When enabled, this settings asset will be added to PlayerSettings.preloadedAssets in build.\n\n" +
-                 "When disable, you should load this settings via Resources, AssetBundles or Addressables to use.")]
-        [SerializeField]
-        [Header("Advanced")]
-        [HideInInspector]
-        private bool m_PreLoadSettingsInBuild = true;
-
-        protected static bool s_BuildingPlayer;
-
        private class Postprocessor : AssetPostprocessor
        {
            private static void OnPostprocessAllAssets(string[] _, string[] __, string[] ___, string[] ____)
@@ -31,35 +22,12 @@ namespace Coffee.UIParticleInternal
            }
        }

-        private class ExcludeFromBuild : IPreprocessBuildWithReport, IPostprocessBuildWithReport
+        private class PreprocessBuildWithReport : IPreprocessBuildWithReport
        {
            int IOrderedCallback.callbackOrder => 0;

            void IPreprocessBuildWithReport.OnPreprocessBuild(BuildReport report)
            {
-                AssetDatabase.Refresh();
-                Initialize();
-                s_BuildingPlayer = true;
-
-                foreach (var t in TypeCache.GetTypesDerivedFrom(typeof(PreloadedProjectSettings<>)))
-                {
-                    var settings = GetDefaultSettings(t);
-                    if (!settings || settings.m_PreLoadSettingsInBuild) continue;
-
-                    PlayerSettings.SetPreloadedAssets(
-                        PlayerSettings.GetPreloadedAssets()
-                            .Where(x => x && x.GetType() != t)
-                            .ToArray());
-
-                    Debug.Log($"[PreloadedProjectSettings] Build started: removed '{settings.name}' " +
-                              $"({t.Name}) from PreloadedAssets. " +
-                              $"It will be restored after build completes.");
-                }
-            }
-
-            void IPostprocessBuildWithReport.OnPostprocessBuild(BuildReport report)
-            {
-                s_BuildingPlayer = false;
                Initialize();
            }
        }
@@ -69,21 +37,18 @@ namespace Coffee.UIParticleInternal
            foreach (var t in TypeCache.GetTypesDerivedFrom(typeof(PreloadedProjectSettings<>)))
            {
                var defaultSettings = GetDefaultSettings(t);
-                if (defaultSettings == null)
-                {
-                    if (!s_BuildingPlayer)
+                if (!defaultSettings)
                {
                    // When create a new instance, automatically set it as default settings.
                    defaultSettings = CreateInstance(t) as PreloadedProjectSettings;
                    SetDefaultSettings(defaultSettings);
                }
-                }
                else if (GetPreloadedSettings(t).Length != 1)
                {
-                    if (!s_BuildingPlayer) SetDefaultSettings(defaultSettings);
+                    SetDefaultSettings(defaultSettings);
                }

-                if (defaultSettings != null)
+                if (defaultSettings)
                {
                    defaultSettings.OnInitialize();
                }
@@ -101,22 +66,22 @@ namespace Coffee.UIParticleInternal
        private static Object[] GetPreloadedSettings(Type type)
        {
            return PlayerSettings.GetPreloadedAssets()
-                .Where(x => x != null && x.GetType() == type)
+                .Where(x => x && x.GetType() == type)
                .ToArray();
        }

        protected static PreloadedProjectSettings GetDefaultSettings(Type type)
        {
            return GetPreloadedSettings(type).FirstOrDefault() as PreloadedProjectSettings
-                   ?? AssetDatabase.FindAssets($"t:{type.Name}")
+                   ?? AssetDatabase.FindAssets($"t:{nameof(PreloadedProjectSettings)}")
                       .Select(AssetDatabase.GUIDToAssetPath)
                       .Select(AssetDatabase.LoadAssetAtPath<PreloadedProjectSettings>)
-                       .FirstOrDefault(x => x != null && x.GetType() == type);
+                       .FirstOrDefault(x => x && x.GetType() == type);
        }

        protected static void SetDefaultSettings(PreloadedProjectSettings asset)
        {
-            if (asset == null) return;
+            if (!asset) return;

            var type = asset.GetType();
            if (string.IsNullOrEmpty(AssetDatabase.GetAssetPath(asset)))
@@ -138,7 +103,7 @@ namespace Coffee.UIParticleInternal
            var preloadedAssets = PlayerSettings.GetPreloadedAssets();
            var projectSettings = GetPreloadedSettings(type);
            PlayerSettings.SetPreloadedAssets(preloadedAssets
-                .Where(x => x != null)
+                .Where(x => x)
                .Except(projectSettings.Except(new[] { asset }))
                .Append(asset)
                .Distinct()
@@ -155,35 +120,6 @@ namespace Coffee.UIParticleInternal
        {
        }
    }
-
-    internal abstract class PreloadedProjectSettingsEditor : Editor
-    {
-        private SerializedProperty _preLoadSettingsInBuild;
-
-        protected virtual void OnEnable()
-        {
-            _preLoadSettingsInBuild = serializedObject.FindProperty("m_PreLoadSettingsInBuild");
-        }
-
-        protected void DrawPreLoadSettingsInBuild(string packageName)
-        {
-            EditorGUILayout.PropertyField(_preLoadSettingsInBuild);
-            if (!_preLoadSettingsInBuild.boolValue)
-            {
-                EditorGUILayout.BeginHorizontal();
-                EditorGUILayout.HelpBox(
-                    $"{target.GetType().Name} asset will not be built in.\n" +
-                    $"please load manually from Resources, AssetBundle, or Addressables before using {packageName}.",
-                    MessageType.Warning);
-                if (GUILayout.Button("Ping"))
-                {
-                    EditorGUIUtility.PingObject(target);
-                }
-
-                EditorGUILayout.EndHorizontal();
-            }
-        }
-    }
 #else
    {
    }
@@ -197,33 +133,31 @@ namespace Coffee.UIParticleInternal
 #if UNITY_EDITOR
        private string _jsonText;

-        public static bool hasInstance => s_Instance != null;
+        public static bool hasInstance => s_Instance;

        public static T instance
        {
            get
            {
-                if (s_Instance != null) return s_Instance;
+                if (s_Instance) return s_Instance;

                s_Instance = GetDefaultSettings(typeof(T)) as T;
-                if (s_Instance != null) return s_Instance;
+                if (s_Instance) return s_Instance;

                s_Instance = CreateInstance<T>();
-                if (s_Instance == null)
+                if (!s_Instance)
                {
                    s_Instance = null;
                    return s_Instance;
                }

-                if (!s_BuildingPlayer) SetDefaultSettings(s_Instance);
+                SetDefaultSettings(s_Instance);
                return s_Instance;
            }
        }

        private void OnPlayModeStateChanged(PlayModeStateChange state)
        {
-            if (!this) return;
-
            switch (state)
            {
                case PlayModeStateChange.ExitingEditMode:
@@ -240,7 +174,7 @@ namespace Coffee.UIParticleInternal
            }
        }
 #else
-    public static T instance => s_Instance != null ? s_Instance : s_Instance = CreateInstance<T>();
+        public static T instance => s_Instance ? s_Instance : s_Instance = CreateInstance<T>();
 #endif

        /// <summary>
@@ -249,7 +183,7 @@ namespace Coffee.UIParticleInternal
        protected virtual void OnEnable()
        {
 #if UNITY_EDITOR
-            var isDefaultSettings = s_Instance == null || s_Instance == this || GetDefaultSettings(typeof(T)) == this;
+            var isDefaultSettings = !s_Instance || s_Instance == this || GetDefaultSettings(typeof(T)) == this;
            if (!isDefaultSettings)
            {
                DestroyImmediate(this, true);
@@ -257,12 +191,9 @@ namespace Coffee.UIParticleInternal
            }

            EditorApplication.playModeStateChanged += OnPlayModeStateChanged;
-#else
-            if (s_Instance && s_Instance != this)
-            {
-                Destroy(s_Instance);
-            }
 #endif
+
+            if (s_Instance) return;
            s_Instance = this as T;
        }

@@ -291,7 +222,7 @@ namespace Coffee.UIParticleInternal

            public override void OnGUI(string searchContext)
            {
-                if (_target == null)
+                if (!_target)
                {
                    if (_editor)
                    {
--- a/Packages/src/Runtime/Internal/Utilities/FrameCache.cs
+++ b/Packages/src/Runtime/Internal/Utilities/FrameCache.cs
@@ -14,7 +14,7 @@ namespace Coffee.UIParticleInternal
            UIExtraCallbacks.onLateAfterCanvasRebuild += ClearAllCache;
        }

-#if UNITY_EDITOR && UNITY_2019_2_OR_NEWER
+#if UNITY_EDITOR
        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
        private static void Clear()
        {
--- a/Packages/src/Runtime/Internal/Utilities/Logger.cs.meta
+++ b/Packages/src/Runtime/Internal/Utilities/Logger.cs.meta
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 4f9f22bb079324476b1473030ad9fec3
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
--- a/Packages/src/Runtime/Internal/Utilities/Logging.cs
+++ b/Packages/src/Runtime/Internal/Utilities/Logging.cs
@@ -11,7 +11,7 @@ using Conditional = System.Diagnostics.ConditionalAttribute;

 namespace Coffee.UIParticleInternal
 {
-    internal static class Logger
+    internal static class Logging
    {
 #if !ENABLE_COFFEE_LOGGER
        private const string k_DisableSymbol = "DISABLE_COFFEE_LOGGER";
@@ -48,7 +48,7 @@ namespace Coffee.UIParticleInternal
        public static void LogIf(bool enable, object tag, object message, Object context = null)
        {
            if (!enable) return;
-            Log_Internal(LogType.Log, tag, message, context != null ? context : tag as Object);
+            Log_Internal(LogType.Log, tag, message, context ? context : tag as Object);
        }

 #if !ENABLE_COFFEE_LOGGER
@@ -56,7 +56,7 @@ namespace Coffee.UIParticleInternal
 #endif
        public static void Log(object tag, object message, Object context = null)
        {
-            Log_Internal(LogType.Log, tag, message, context != null ? context : tag as Object);
+            Log_Internal(LogType.Log, tag, message, context ? context : tag as Object);
        }

 #if !ENABLE_COFFEE_LOGGER
@@ -64,13 +64,13 @@ namespace Coffee.UIParticleInternal
 #endif
        public static void LogWarning(object tag, object message, Object context = null)
        {
-            Log_Internal(LogType.Warning, tag, message, context != null ? context : tag as Object);
+            Log_Internal(LogType.Warning, tag, message, context ? context : tag as Object);
        }

        public static void LogError(object tag, object message, Object context = null)
        {
 #if ENABLE_COFFEE_LOGGER
-            Log_Internal(LogType.Error, tag, message, context != null ? context : tag as Object);
+            Log_Internal(LogType.Error, tag, message, context ? context : tag as Object);
 #else
            Debug.LogError($"{tag}: {message}", context);
 #endif
--- a/Packages/src/Runtime/Internal/Utilities/TypeCache.cs.meta
+++ b/Packages/src/Runtime/Internal/Utilities/TypeCache.cs.meta
@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: bc1207b657ed74ec19e459664d06925f
+guid: 8255313895da84e7cbdc876be3795334
 MonoImporter:
  externalObjects: {}
  serializedVersion: 2
--- a/Packages/src/Runtime/Internal/Utilities/MaterialRepository.cs
+++ b/Packages/src/Runtime/Internal/Utilities/MaterialRepository.cs
@@ -13,9 +13,7 @@ namespace Coffee.UIParticleInternal

        public static int count => s_Repository.count;

-        public static Func<string, Shader> onShaderFind = Shader.Find;
-
-#if UNITY_EDITOR && UNITY_2019_2_OR_NEWER
+#if UNITY_EDITOR
        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
        public static void Clear()
        {
@@ -50,7 +48,7 @@ namespace Coffee.UIParticleInternal
        public static void Get(Hash128 hash, ref Material material, string shaderName)
        {
            Profiler.BeginSample("(COF)[MaterialRepository] Get");
-            s_Repository.Get(hash, ref material, x => new Material(onShaderFind(x))
+            s_Repository.Get(hash, ref material, x => new Material(Shader.Find(x))
            {
                hideFlags = HideFlags.DontSave | HideFlags.NotEditable
            }, shaderName);
@@ -63,7 +61,7 @@ namespace Coffee.UIParticleInternal
        public static void Get(Hash128 hash, ref Material material, string shaderName, string[] keywords)
        {
            Profiler.BeginSample("(COF)[MaterialRepository] Get");
-            s_Repository.Get(hash, ref material, x => new Material(onShaderFind(x.shaderName))
+            s_Repository.Get(hash, ref material, x => new Material(Shader.Find(x.shaderName))
            {
                hideFlags = HideFlags.DontSave | HideFlags.NotEditable,
                shaderKeywords = x.keywords
--- a/Packages/src/Runtime/Internal/Utilities/Misc.cs
+++ b/Packages/src/Runtime/Internal/Utilities/Misc.cs
@@ -20,9 +20,7 @@ namespace Coffee.UIParticleInternal
    {
        public static T[] FindObjectsOfType<T>() where T : Object
        {
-#if UNITY_6000_4_OR_NEWER
-            return Object.FindObjectsByType<T>(FindObjectsInactive.Include);
-#elif UNITY_2023_1_OR_NEWER
+#if UNITY_2023_1_OR_NEWER
            return Object.FindObjectsByType<T>(FindObjectsInactive.Include, FindObjectsSortMode.None);
 #else
            return Object.FindObjectsOfType<T>();
@@ -31,7 +29,7 @@ namespace Coffee.UIParticleInternal

        public static void Destroy(Object obj)
        {
-            if (obj == null) return;
+            if (!obj) return;
 #if UNITY_EDITOR
            if (!Application.isPlaying)
            {
@@ -46,19 +44,24 @@ namespace Coffee.UIParticleInternal

        public static void DestroyImmediate(Object obj)
        {
-            if (obj == null) return;
+            if (!obj) return;
 #if UNITY_EDITOR
-            Object.DestroyImmediate(obj, true);
-#else
-            Object.Destroy(obj);
+            if (Application.isEditor)
+            {
+                Object.DestroyImmediate(obj);
+            }
+            else
 #endif
+            {
+                Object.Destroy(obj);
+            }
        }

        [Conditional("UNITY_EDITOR")]
        public static void SetDirty(Object obj)
        {
 #if UNITY_EDITOR
-            if (obj == null) return;
+            if (!obj) return;
            EditorUtility.SetDirty(obj);
 #endif
        }
@@ -109,16 +112,16 @@ namespace Coffee.UIParticleInternal
        {
            if (Misc.isBatchOrBuilding) return;

-            var types = TypeCache.GetTypesWithAttribute(typeof(IconAttribute));
+            var types = TypeCache.GetTypesWithAttribute<IconAttribute>();
            var scripts = MonoImporter.GetAllRuntimeMonoScripts();
            foreach (var type in types)
            {
                var script = scripts.FirstOrDefault(x => x.GetClass() == type);
-                if (script == null) continue;
+                if (!script) continue;

                var path = type.GetCustomAttribute<IconAttribute>()?._path;
                var icon = AssetDatabase.LoadAssetAtPath<Texture2D>(path);
-                if (icon == null) continue;
+                if (!icon) continue;

                s_SetIconForObject(script, icon);
            }
--- a/Packages/src/Runtime/Internal/Utilities/ObjectPool.cs
+++ b/Packages/src/Runtime/Internal/Utilities/ObjectPool.cs
@@ -34,7 +34,7 @@ namespace Coffee.UIParticleInternal
            }

            // If there are no instances in the pool, create a new one.
-            Logger.Log(this, $"A new instance is created (pooled: {_pool.CountInactive}, created: {_pool.CountAll}).");
+            Logging.Log(this, $"A new instance is created (pooled: {_pool.CountInactive}, created: {_pool.CountAll}).");
            return _pool.Get();
        }

@@ -47,7 +47,7 @@ namespace Coffee.UIParticleInternal
            if (instance == null) return; // Ignore if already pooled or null.

            _pool.Release(instance);
-            Logger.Log(this, $"An instance is released (pooled: {_pool.CountInactive}, created: {_pool.CountAll}).");
+            Logging.Log(this, $"An instance is released (pooled: {_pool.CountInactive}, created: {_pool.CountAll}).");
            instance = default; // Set the reference to null.
        }
 #else
@@ -80,7 +80,7 @@ namespace Coffee.UIParticleInternal
            }

            // If there are no instances in the pool, create a new one.
-            Logger.Log(this, $"A new instance is created (pooled: {_pool.Count}, created: {++_count}).");
+            Logging.Log(this, $"A new instance is created (pooled: {_pool.Count}, created: {++_count}).");
            return _onCreate();
        }

@@ -94,7 +94,7 @@ namespace Coffee.UIParticleInternal

            _onReturn(instance); // Return the instance to the pool.
            _pool.Push(instance);
-            Logger.Log(this, $"An instance is released (pooled: {_pool.Count}, created: {_count}).");
+            Logging.Log(this, $"An instance is released (pooled: {_pool.Count}, created: {_count}).");
            instance = default; // Set the reference to null.
        }
 #endif
--- a/Packages/src/Runtime/Internal/Utilities/ObjectRepository.cs
+++ b/Packages/src/Runtime/Internal/Utilities/ObjectRepository.cs
@@ -90,7 +90,7 @@ namespace Coffee.UIParticleInternal
            Profiler.BeginSample("(COF)[ObjectRepository] GetFromCache");
            if (_cache.TryGetValue(hash, out var entry))
            {
-                if (entry.storedObject == null)
+                if (!entry.storedObject)
                {
                    Release(ref entry.storedObject);
                    Profiler.EndSample();
@@ -103,7 +103,7 @@ namespace Coffee.UIParticleInternal
                    Release(ref obj);
                    ++entry.reference;
                    obj = entry.storedObject;
-                    Logger.Log(_name, $"Get(total#{count}): {entry}");
+                    Logging.Log(_name, $"Get(total#{count}): {entry}");
                }

                Profiler.EndSample();
@@ -116,7 +116,7 @@ namespace Coffee.UIParticleInternal

        private void Add(Hash128 hash, ref T obj, T newObject)
        {
-            if (newObject == null)
+            if (!newObject)
            {
                Release(ref obj);
                obj = newObject;
@@ -130,8 +130,8 @@ namespace Coffee.UIParticleInternal
            newEntry.hash = hash;
            newEntry.reference = 1;
            _cache[hash] = newEntry;
-            _objectKey[newObject.GetHashCode()] = hash;
-            Logger.Log(_name, $"<color=#03c700>Add</color>(total#{count}): {newEntry}");
+            _objectKey[newObject.GetInstanceID()] = hash;
+            Logging.Log(_name, $"<color=#03c700>Add</color>(total#{count}): {newEntry}");
            Release(ref obj);
            obj = newObject;
            Profiler.EndSample();
@@ -146,23 +146,23 @@ namespace Coffee.UIParticleInternal

            // Find and release the entry.
            Profiler.BeginSample("(COF)[ObjectRepository] Release");
-            var id = obj.GetHashCode();
+            var id = obj.GetInstanceID();
            if (_objectKey.TryGetValue(id, out var hash)
                && _cache.TryGetValue(hash, out var entry))
            {
                entry.reference--;
-                if (entry.reference <= 0 || entry.storedObject == null)
+                if (entry.reference <= 0 || !entry.storedObject)
                {
                    Remove(entry);
                }
                else
                {
-                    Logger.Log(_name, $"Release(total#{_cache.Count}): {entry}");
+                    Logging.Log(_name, $"Release(total#{_cache.Count}): {entry}");
                }
            }
            else
            {
-                Logger.Log(_name, $"Release(total#{_cache.Count}): <color=red>Already released: {obj}</color>");
+                Logging.Log(_name, $"Release(total#{_cache.Count}): <color=red>Already released: {obj}</color>");
            }

            obj = null;
@@ -175,10 +175,10 @@ namespace Coffee.UIParticleInternal

            Profiler.BeginSample("(COF)[ObjectRepository] Remove");
            _cache.Remove(entry.hash);
-            _objectKey.Remove(entry.storedObject.GetHashCode());
+            _objectKey.Remove(entry.storedObject.GetInstanceID());
            _pool.Push(entry);
            entry.reference = 0;
-            Logger.Log(_name, $"<color=#f29e03>Remove</color>(total#{_cache.Count}): {entry}");
+            Logging.Log(_name, $"<color=#f29e03>Remove</color>(total#{_cache.Count}): {entry}");
            entry.Release(_onRelease);
            Profiler.EndSample();
        }
@@ -192,7 +192,7 @@ namespace Coffee.UIParticleInternal
            public void Release(Action<T> onRelease)
            {
                reference = 0;
-                if (storedObject != null)
+                if (storedObject)
                {
                    onRelease?.Invoke(storedObject);
                }
--- a/Packages/src/Runtime/Internal/Utilities/TypeCache.cs
+++ b/Packages/src/Runtime/Internal/Utilities/TypeCache.cs
@@ -1,88 +0,0 @@
-#if !UNITY_2019_2_OR_NEWER
-using System;
-using System.Collections.Generic;
-using System.Reflection;
-
-namespace Coffee.UIParticleInternal
-{
-    public static class TypeCache
-    {
-        private static readonly object s_Lock = new object();
-        private static readonly Dictionary<Type, Type[]> s_DerivedTypesCache = new Dictionary<Type, Type[]>();
-        private static readonly Dictionary<Type, Type[]> s_AttributeTypesCache = new Dictionary<Type, Type[]>();
-
-        public static IEnumerable<Type> GetTypesDerivedFrom(Type baseType)
-        {
-            lock (s_Lock)
-            {
-                if (s_DerivedTypesCache.TryGetValue(baseType, out var cached))
-                {
-                    return cached;
-                }
-
-                var types = new List<Type>();
-                foreach (var t in GetAllLoadableTypes())
-                {
-                    if (t != baseType && baseType.IsAssignableFrom(t))
-                    {
-                        types.Add(t);
-                    }
-                }
-
-                return s_DerivedTypesCache[baseType] = types.ToArray();
-            }
-        }
-
-        public static IEnumerable<Type> GetTypesWithAttribute(Type attr)
-        {
-            lock (s_Lock)
-            {
-                if (s_AttributeTypesCache.TryGetValue(attr, out var cached))
-                {
-                    return cached;
-                }
-
-                var types = new List<Type>();
-                foreach (var t in GetAllLoadableTypes())
-                {
-                    if (t.GetCustomAttributes(attr, inherit: true).Length > 0)
-                    {
-                        types.Add(t);
-                    }
-                }
-
-                return s_AttributeTypesCache[attr] = types.ToArray();
-            }
-        }
-
-        private static IEnumerable<Type> GetAllLoadableTypes()
-        {
-            foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies())
-            {
-                Type[] types;
-                try
-                {
-                    types = assembly.GetTypes();
-                }
-                catch (ReflectionTypeLoadException ex)
-                {
-                    types = ex.Types;
-                }
-
-                if (types == null)
-                {
-                    continue;
-                }
-
-                foreach (var t in types)
-                {
-                    if (t != null)
-                    {
-                        yield return t;
-                    }
-                }
-            }
-        }
-    }
-}
-#endif
--- a/Packages/src/Runtime/Internal/Utilities/UIExtraCallbacks.cs
+++ b/Packages/src/Runtime/Internal/Utilities/UIExtraCallbacks.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Reflection;
 using UnityEditor;
 using UnityEngine;
 using UnityEngine.UI;
@@ -21,7 +20,7 @@ namespace Coffee.UIParticleInternal
        static UIExtraCallbacks()
        {
            Canvas.willRenderCanvases += OnBeforeCanvasRebuild;
-            Logger.LogMulticast(typeof(Canvas), "willRenderCanvases", message: "ctor");
+            Logging.LogMulticast(typeof(Canvas), "willRenderCanvases", message: "ctor");
        }

        /// <summary>
@@ -68,17 +67,9 @@ namespace Coffee.UIParticleInternal
            if (s_IsInitializedAfterCanvasRebuild) return;
            s_IsInitializedAfterCanvasRebuild = true;

-            // Explicitly set `Canvas.willRenderCanvases += CanvasUpdateRegistry.PerformUpdate`.
            CanvasUpdateRegistry.IsRebuildingLayout();
-#if TMP_ENABLE
-            // Explicitly set `Canvas.willRenderCanvases += TMP_UpdateManager.DoRebuilds`.
-            typeof(TMPro.TMP_UpdateManager)
-                .GetProperty("instance", BindingFlags.NonPublic | BindingFlags.Static)
-                .GetValue(null);
-#endif
-            Canvas.willRenderCanvases -= OnAfterCanvasRebuild;
            Canvas.willRenderCanvases += OnAfterCanvasRebuild;
-            Logger.LogMulticast(typeof(Canvas), "willRenderCanvases",
+            Logging.LogMulticast(typeof(Canvas), "willRenderCanvases",
                message: "InitializeAfterCanvasRebuild");
        }

--- a/Packages/src/Runtime/ParticleSystemPreviewer.cs
+++ b/Packages/src/Runtime/ParticleSystemPreviewer.cs
@@ -1,222 +0,0 @@
-using System.Collections.Generic;
-using System.Linq;
-using Coffee.UIParticleInternal;
-using UnityEditor;
-using UnityEngine;
-
-namespace Coffee.UIExtensions
-{
-    [Icon("Packages/com.coffee.ui-particle/Editor/UIParticleIcon.png")]
-    [ExecuteAlways]
-    internal class ParticleSystemPreviewer : MonoBehaviour
-    {
-        // Do nothing.
-    }
-
-#if UNITY_EDITOR
-    [CustomEditor(typeof(ParticleSystemPreviewer))]
-    [CanEditMultipleObjects]
-    internal class ParticleSystemPreviewerEditor : Editor
-    {
-        private GameObject[] _gameObjects;
-
-        private void OnEnable()
-        {
-            _gameObjects = targets.OfType<ParticleSystemPreviewer>().Select(x => x.gameObject).ToArray();
-            ParticleSystemPreviewSystem.Register(_gameObjects);
-
-        }
-
-        public override void OnInspectorGUI()
-        {
-            base.OnInspectorGUI();
-            ParticleSystemPreviewSystem.DrawWarningForTemporary(_gameObjects);
-            ParticleSystemPreviewSystem.DrawWarningForPermanent(_gameObjects);
-        }
-    }
-
-    /// <summary>
-    /// This class manages temporary ParticleSystems for preview purposes.
-    /// When previewing in the editor, it is common to place an empty ParticleSystem as the root, but it consumes memory at runtime if included in the build.
-    /// The temporary ParticleSystems created by this class only exist when the specified GameObject is selected, and are automatically deleted when the selection is cleared.
-    /// </summary>
-    internal class ParticleSystemPreviewSystem : ScriptableSingleton<ParticleSystemPreviewSystem>
-    {
-        private const HideFlags k_TemporaryHideFlags = HideFlags.DontSave | HideFlags.NotEditable;
-
-        [SerializeField]
-        private List<GameObject> m_PreviewObjects = new List<GameObject>();
-
-        /// <summary>
-        /// Adds a temporary ParticleSystem to the specified GameObject for preview purposes.
-        /// </summary>
-        public static void Register(GameObject[] targets)
-        {
-            foreach (var target in targets)
-            {
-                Register(target);
-            }
-        }
-
-        /// <summary>
-        /// Adds a temporary ParticleSystem to the specified GameObject for preview purposes.
-        /// </summary>
-        public static void Register(GameObject target)
-        {
-            if (!target) return;
-            if (EditorApplication.isPlaying) return;
-            if (instance.m_PreviewObjects.Contains(target)) return;
-            if (target.TryGetComponent<ParticleSystem>(out var _)) return;
-
-            // Create temporary ParticleSystem for preview.
-            var ps = target.AddComponent<ParticleSystem>();
-            ps.hideFlags = k_TemporaryHideFlags;
-
-            var emission = ps.emission;
-            emission.enabled = false;
-            var shape = ps.shape;
-            shape.enabled = false;
-
-            if (target.TryGetComponent<ParticleSystemRenderer>(out var psr))
-            {
-                psr.enabled = false;
-                psr.hideFlags = k_TemporaryHideFlags;
-            }
-
-            instance.m_PreviewObjects.Add(target);
-            EditorUtility.SetDirty(target);
-        }
-
-        /// <summary>
-        /// Removes the temporary ParticleSystem associated with the specified GameObject.
-        /// </summary>
-        /// <param name="target"></param>
-        public static void Unregister(GameObject target)
-        {
-            if (!target) return;
-
-            var index = instance.m_PreviewObjects.IndexOf(target);
-            if (index < 0) return;
-
-            instance.m_PreviewObjects.RemoveAt(index);
-            if (HasTemporaryParticleSystem(target))
-            {
-                RemoveParticleSystem(target);
-            }
-        }
-
-        /// <summary>
-        /// Removes the temporary ParticleSystem associated with the specified GameObject.
-        /// </summary>
-        /// <param name="target"></param>
-        private static void RemoveParticleSystem(GameObject target)
-        {
-            if (target.TryGetComponent<ParticleSystem>(out var ps))
-            {
-                Misc.DestroyImmediate(ps);
-                EditorUtility.SetDirty(target);
-            }
-
-            if (target.TryGetComponent<ParticleSystem>(out var psr))
-            {
-                Misc.DestroyImmediate(psr);
-                EditorUtility.SetDirty(target);
-            }
-        }
-
-        /// <summary>
-        /// Checks if the specified GameObject has a temporary ParticleSystem.
-        /// </summary>
-        private static bool HasTemporaryParticleSystem(GameObject target)
-        {
-            return target
-                   && instance.m_PreviewObjects.Contains(target)
-                   && target.TryGetComponent<ParticleSystem>(out var ps)
-                   && ps.hideFlags == k_TemporaryHideFlags;
-        }
-
-        /// <summary>
-        /// Checks if the specified GameObject has a permanent ParticleSystem.
-        /// </summary>
-        private static bool HasPermanentParticleSystem(GameObject target)
-        {
-            return target
-                   && target.TryGetComponent<ParticleSystem>(out var ps)
-                   && ps.hideFlags != k_TemporaryHideFlags;
-        }
-
-        private void OnEnable()
-        {
-            Selection.selectionChanged -= OnSelectionChanged;
-            Selection.selectionChanged += OnSelectionChanged;
-        }
-
-        private void OnDisable()
-        {
-            Selection.selectionChanged -= OnSelectionChanged;
-        }
-
-        private void OnSelectionChanged()
-        {
-            var selectedGameObjects = Selection.gameObjects;
-            for (var i = m_PreviewObjects.Count - 1; 0 <= i; i--)
-            {
-                var go = m_PreviewObjects[i];
-                if (!go)
-                {
-                    m_PreviewObjects.RemoveAt(i);
-                }
-                else if (!selectedGameObjects.Contains(go))
-                {
-                    Unregister(go);
-                }
-            }
-        }
-
-        public static void DrawWarningForTemporary(GameObject[] gameObjects)
-        {
-            if (gameObjects == null || gameObjects.Length == 0 || !gameObjects.Any(HasTemporaryParticleSystem)) return;
-
-            if (WarningButton("The temporary ParticleSystem for preview is attached.\n" +
-                              "It will be removed when exiting edit mode.", "Remove"))
-            {
-                foreach (var go in gameObjects)
-                {
-                    if (HasTemporaryParticleSystem(go))
-                    {
-                        RemoveParticleSystem(go);
-                    }
-                }
-            }
-        }
-
-        public static void DrawWarningForPermanent(GameObject[] gameObjects)
-        {
-            if (gameObjects == null || gameObjects.Length == 0 || !gameObjects.Any(HasPermanentParticleSystem)) return;
-
-            if (WarningButton("The permanent ParticleSystem is attached.\n" +
-                              "It will be included in build.", "Remove"))
-            {
-                foreach (var go in gameObjects)
-                {
-                    if (HasPermanentParticleSystem(go))
-                    {
-                        RemoveParticleSystem(go);
-                        Unregister(go);
-                        Register(go);
-                    }
-                }
-            }
-        }
-
-        private static bool WarningButton(string message, string buttonText)
-        {
-            EditorGUILayout.BeginHorizontal();
-            EditorGUILayout.HelpBox(message, MessageType.Warning, true);
-            var clicked = GUILayout.Button(EditorGUIUtility.TrTempContent(buttonText));
-            EditorGUILayout.EndHorizontal();
-            return clicked;
-        }
-    }
-#endif
-}
--- a/Packages/src/Runtime/ParticleSystemPreviewer.cs.meta
+++ b/Packages/src/Runtime/ParticleSystemPreviewer.cs.meta
@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: b171deb49fb7b471291108ad7e1c9baa
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
--- a/Packages/src/Runtime/UIParticle.cs
+++ b/Packages/src/Runtime/UIParticle.cs
@@ -3,13 +3,12 @@ using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 using Coffee.UIParticleInternal;
 using UnityEngine;
+using UnityEngine.EventSystems;
 using UnityEngine.Rendering;
 using UnityEngine.Serialization;
-using UnityEngine.UI;
 using Random = UnityEngine.Random;

 [assembly: InternalsVisibleTo("Coffee.UIParticle.Editor")]
-[assembly: InternalsVisibleTo("Coffee.UIParticle.Editor.Tests")]
 [assembly: InternalsVisibleTo("Coffee.UIParticle.PerformanceDemo")]
 [assembly: InternalsVisibleTo("Coffee.UIParticle.Demo")]

@@ -18,11 +17,11 @@ namespace Coffee.UIExtensions
    /// <summary>
    /// Render maskable and sortable particle effect ,without Camera, RenderTexture or Canvas.
    /// </summary>
-    [Icon("Packages/com.coffee.ui-particle/Editor/UIParticleIcon.png")]
+    [Icon("Packages/com.coffee.ui-particle/Icons/UIParticleIcon.png")]
    [ExecuteAlways]
    [RequireComponent(typeof(RectTransform))]
    [RequireComponent(typeof(CanvasRenderer))]
-    public class UIParticle : MaskableGraphic, ISerializationCallbackReceiver
+    public class UIParticle : UIBehaviour, ISerializationCallbackReceiver
    {
        public enum AutoScalingMode
        {
@@ -64,7 +63,7 @@ namespace Coffee.UIExtensions

        [Tooltip("Scale the rendering particles. When the `3D` toggle is enabled, 3D scale (x, y, z) is supported.")]
        [SerializeField]
-        private Vector3 m_Scale3D = new Vector3(10, 10, 10);
+        private Vector3 m_Scale3D = new Vector3(1, 1, 1);

        [Tooltip("If you want to update material properties (e.g. _MainTex_ST, _Color) in AnimationClip, " +
                 "use this to mark as animatable.")]
@@ -125,20 +124,48 @@ namespace Coffee.UIExtensions
        [Tooltip("Time scale multiplier.")]
        private float m_TimeScaleMultiplier = 1;

+        [SerializeField]
+        private bool m_Maskable = true;
+
        private readonly List<UIParticleRenderer> _renderers = new List<UIParticleRenderer>();
        private Camera _bakeCamera;
+        private Canvas _canvas;
        private int _groupId;
        private bool _isScaleStored;
        private Vector3 _storedScale;
        private DrivenRectTransformTracker _tracker;

-        /// <summary>
-        /// Should this graphic be considered a target for ray-casting?
-        /// </summary>
-        public override bool raycastTarget
+        public RectTransform rectTransform => transform as RectTransform;
+
+        public Canvas canvas
        {
-            get => false;
-            set { }
+            get
+            {
+                if (_canvas) return _canvas;
+
+                var tr = transform;
+                while (tr && !_canvas)
+                {
+                    if (tr.TryGetComponent(out _canvas)) return _canvas;
+                    tr = tr.parent;
+                }
+
+                return null;
+            }
+        }
+
+        /// <summary>
+        /// Does this graphic allow masking.
+        /// </summary>
+        public bool maskable
+        {
+            get => m_Maskable;
+            set
+            {
+                if (value == m_Maskable) return;
+                m_Maskable = value;
+                UpdateRendererMaterial();
+            }
        }

        /// <summary>
@@ -324,15 +351,15 @@ namespace Coffee.UIExtensions

        public Vector3 parentScale { get; private set; }

-        public Vector3 canvasScale { get; private set; }
+        private Vector3 canvasScale { get; set; }

        protected override void OnEnable()
        {
            _isScaleStored = false;
            ResetGroupId();
            UIParticleUpdater.Register(this);
-            RegisterDirtyMaterialCallback(UpdateRendererMaterial);

+            //
            if (0 < particles.Count)
            {
                RefreshParticles(particles);
@@ -342,7 +369,7 @@ namespace Coffee.UIExtensions
                RefreshParticles();
            }

-            base.OnEnable();
+            UpdateRendererMaterial();
        }

        /// <summary>
@@ -358,11 +385,16 @@ namespace Coffee.UIExtensions

            _isScaleStored = false;
            UIParticleUpdater.Unregister(this);
-            _renderers.RemoveAll(r => r == null);
            _renderers.ForEach(r => r.Reset());
-            UnregisterDirtyMaterialCallback(UpdateRendererMaterial);
+            _canvas = null;
+        }

-            base.OnDisable();
+        /// <summary>
+        /// Called when the state of the parent Canvas is changed.
+        /// </summary>
+        protected override void OnCanvasHierarchyChanged()
+        {
+            _canvas = null;
        }

        /// <summary>
@@ -372,6 +404,14 @@ namespace Coffee.UIExtensions
        {
        }

+        /// <summary>
+        /// This function is called when a direct or indirect parent of the transform of the GameObject has changed.
+        /// </summary>
+        protected override void OnTransformParentChanged()
+        {
+            _canvas = null;
+        }
+
        void ISerializationCallbackReceiver.OnBeforeSerialize()
        {
        }
@@ -472,7 +512,7 @@ namespace Coffee.UIExtensions
            for (var i = 0; i < _renderers.Count; i++)
            {
                var r = _renderers[i];
-                if (r == null || r.material == null) continue;
+                if (!r || !r.material) continue;
                result.Add(r.material);
            }
        }
@@ -490,7 +530,7 @@ namespace Coffee.UIExtensions
        /// </summary>
        public void SetParticleSystemInstance(GameObject instance, bool destroyOldParticles)
        {
-            if (instance == null) return;
+            if (!instance) return;

            var childCount = transform.childCount;
            for (var i = 0; i < childCount; i++)
@@ -519,7 +559,7 @@ namespace Coffee.UIExtensions
        /// </summary>
        public void SetParticleSystemPrefab(GameObject prefab)
        {
-            if (prefab == null) return;
+            if (!prefab) return;

            SetParticleSystemInstance(Instantiate(prefab.gameObject), true);
        }
@@ -539,17 +579,12 @@ namespace Coffee.UIExtensions
        /// </summary>
        private void RefreshParticles(GameObject root)
        {
-            if (root == null) return;
+            if (!root) return;
            root.GetComponentsInChildren(true, particles);
            for (var i = particles.Count - 1; 0 <= i; i--)
            {
                var ps = particles[i];
-                if (!ps
-#if UNITY_EDITOR
-                    || ps.hideFlags == HideFlags.HideAndDontSave // Dummy ParticleSystems for preview.
-                    || ps.gameObject.CompareTag("EditorOnly") // Ignore "EditorOnly" tagged ParticleSystems.
-#endif
-                    || ps.GetComponentInParent<UIParticle>(true) != this) // Ignore ParticleSystems that are not under this UIParticle.
+                if (!ps || ps.GetComponentInParent<UIParticle>(true) != this)
                {
                    particles.RemoveAt(i);
                }
@@ -597,7 +632,7 @@ namespace Coffee.UIExtensions
            for (var i = 0; i < particleSystems.Count; i++)
            {
                var ps = particleSystems[i];
-                if (ps == null) continue;
+                if (!ps) continue;

                var mainEmitter = ps.GetMainEmitter(particleSystems);
                GetRenderer(j++).Set(this, ps, false, mainEmitter);
@@ -648,7 +683,7 @@ namespace Coffee.UIExtensions
            for (var i = 0; i < _renderers.Count; i++)
            {
                var r = _renderers[i];
-                if (r != null) continue;
+                if (r) continue;

                RefreshParticles(particles);
                break;
@@ -658,7 +693,7 @@ namespace Coffee.UIExtensions
            for (var i = 0; i < _renderers.Count; i++)
            {
                var r = _renderers[i];
-                if (r == null) continue;
+                if (!r) continue;

                r.UpdateMesh(bakeCamera);
            }
@@ -671,23 +706,12 @@ namespace Coffee.UIExtensions
                : Random.Range(m_GroupId, m_GroupMaxId + 1);
        }

-        protected override void UpdateMaterial()
-        {
-        }
-
-        /// <summary>
-        /// Call to update the geometry of the Graphic onto the CanvasRenderer.
-        /// </summary>
-        protected override void UpdateGeometry()
-        {
-        }
-
        private void UpdateRendererMaterial()
        {
            for (var i = 0; i < _renderers.Count; i++)
            {
                var r = _renderers[i];
-                if (r == null) continue;
+                if (!r) continue;
                r.maskable = maskable;
                r.SetMaterialDirty();
            }
@@ -700,7 +724,7 @@ namespace Coffee.UIExtensions
                _renderers.Add(UIParticleRenderer.AddRenderer(this, index));
            }

-            if (_renderers[index] == null)
+            if (!_renderers[index])
            {
                _renderers[index] = UIParticleRenderer.AddRenderer(this, index);
            }
@@ -710,13 +734,13 @@ namespace Coffee.UIExtensions

        private Camera GetBakeCamera()
        {
-            if (canvas == null) return Camera.main;
+            if (!canvas) return Camera.main;
            if (!useCustomView && canvas.renderMode != RenderMode.ScreenSpaceOverlay && canvas.rootCanvas.worldCamera)
            {
                return canvas.rootCanvas.worldCamera;
            }

-            if (_bakeCamera != null)
+            if (_bakeCamera)
            {
                _bakeCamera.orthographicSize = useCustomView ? customViewSize : 10;
                return _bakeCamera;
@@ -735,7 +759,7 @@ namespace Coffee.UIExtensions
            }

            // Create baking camera.
-            if (_bakeCamera == null)
+            if (!_bakeCamera)
            {
                var go = new GameObject("[generated] UIParticle BakingCamera");
                go.SetActive(false);
--- a/Packages/src/Runtime/UIParticleAttractor.cs
+++ b/Packages/src/Runtime/UIParticleAttractor.cs
@@ -208,7 +208,7 @@ namespace Coffee.UIExtensions

        private Vector3 GetDestinationPosition(UIParticle uiParticle, ParticleSystem particleSystem)
        {
-            var isUI = uiParticle != null && uiParticle.enabled;
+            var isUI = uiParticle && uiParticle.enabled;
            var psPos = particleSystem.transform.position;
            var attractorPos = transform.position;
            var dstPos = attractorPos;
--- a/Packages/src/Runtime/UIParticleProjectSettings.cs
+++ b/Packages/src/Runtime/UIParticleProjectSettings.cs
@@ -2,22 +2,20 @@
 using Coffee.UIParticleInternal;
 using UnityEditor;
 using UnityEngine;
-using UnityEngine.Serialization;

 namespace Coffee.UIExtensions
 {
+    [Icon("Packages/com.coffee.ui-particle/Icons/UIParticleIcon.png")]
    public class UIParticleProjectSettings : PreloadedProjectSettings<UIParticleProjectSettings>
    {
        [Header("Setting")]
        [SerializeField]
-        [Tooltip("Automatically correct the color space of the mesh.")]
-        [FormerlySerializedAs("m_EnableLinearToGamma")]
-        internal bool m_AutoColorCorrection = true;
+        internal bool m_EnableLinearToGamma = true;

-        public static bool autoColorCorrection
+        public static bool enableLinearToGamma
        {
-            get => instance.m_AutoColorCorrection;
-            set => instance.m_AutoColorCorrection = value;
+            get => instance.m_EnableLinearToGamma;
+            set => instance.m_EnableLinearToGamma = value;
        }


@@ -28,16 +26,10 @@ namespace Coffee.UIExtensions
        [SerializeField]
        private bool m_HideGeneratedObjects = true;

-        [Tooltip("When selecting UIParticle, a temporary ParticleSystem is generated for preview.")]
-        [SerializeField]
-        private bool m_PreviewOnSelect = true;
-
-        internal static HideFlags globalHideFlags => instance.m_HideGeneratedObjects
+        public static HideFlags globalHideFlags => instance.m_HideGeneratedObjects
            ? HideFlags.DontSave | HideFlags.NotEditable | HideFlags.HideInHierarchy | HideFlags.HideInInspector
            : HideFlags.DontSave | HideFlags.NotEditable;

-        internal static bool s_PreviewOnSelectOnSelect => instance.m_PreviewOnSelect;
-
 #if UNITY_EDITOR
        [SettingsProvider]
        private static SettingsProvider CreateSettingsProvider()
--- a/Packages/src/Runtime/UIParticleProjectSettings.cs.meta
+++ b/Packages/src/Runtime/UIParticleProjectSettings.cs.meta
@@ -5,7 +5,7 @@ MonoImporter:
  serializedVersion: 2
  defaultReferences: []
  executionOrder: 0
-  icon: {fileID: 2800000, guid: 5f0675613942149309588d556e33d990, type: 3}
+  icon: {instanceID: 0}
  userData: 
  assetBundleName: 
  assetBundleVariant: 
--- a/Packages/src/Runtime/UIParticleRenderer.cs
+++ b/Packages/src/Runtime/UIParticleRenderer.cs
@@ -15,7 +15,7 @@ using UnityEngine.UI;

 namespace Coffee.UIExtensions
 {
-    [Icon("Packages/com.coffee.ui-particle/Editor/UIParticleIcon.png")]
+    [Icon("Packages/com.coffee.ui-particle/Icons/UIParticleIcon.png")]
    [ExecuteAlways]
    [RequireComponent(typeof(RectTransform))]
    [RequireComponent(typeof(CanvasRenderer))]
@@ -30,7 +30,6 @@ namespace Coffee.UIExtensions
        private int _index;
        private bool _isPrevStored;
        private bool _isTrail;
-        private bool _meshCleared;
        private Bounds _lastBounds;
        private Material _materialForRendering;
        private Material _modifiedMaterial;
@@ -56,7 +55,7 @@ namespace Coffee.UIExtensions
                s_Corners[1] = transform.TransformPoint(_lastBounds.min.x, _lastBounds.max.y, 0);
                s_Corners[2] = transform.TransformPoint(_lastBounds.max.x, _lastBounds.max.y, 0);
                s_Corners[3] = transform.TransformPoint(_lastBounds.max.x, _lastBounds.min.y, 0);
-                if (canvas != null)
+                if (canvas)
                {
                    var worldToLocalMatrix = canvas.rootCanvas.transform.worldToLocalMatrix;
                    for (var i = 0; i < 4; ++i)
@@ -96,7 +95,7 @@ namespace Coffee.UIExtensions
        {
            get
            {
-                if (_materialForRendering == null)
+                if (!_materialForRendering)
                {
                    _materialForRendering = base.materialForRendering;
                }
@@ -107,7 +106,7 @@ namespace Coffee.UIExtensions

        public void Reset(int index = -1)
        {
-            if (_renderer != null)
+            if (_renderer)
            {
                _renderer.enabled = true;
            }
@@ -122,7 +121,7 @@ namespace Coffee.UIExtensions
            }

            //_emitter = null;
-            if (isActiveAndEnabled)
+            if (this && isActiveAndEnabled)
            {
                material = null;
                canvasRenderer.Clear();
@@ -141,7 +140,7 @@ namespace Coffee.UIExtensions
            base.OnEnable();

            hideFlags = UIParticleProjectSettings.globalHideFlags;
-            if (s_CombineInstances[0].mesh == null)
+            if (!s_CombineInstances[0].mesh)
            {
                s_CombineInstances[0].mesh = new Mesh
                {
@@ -206,9 +205,9 @@ namespace Coffee.UIExtensions
            }

            var hash = new Hash128(
-                modifiedMaterial ? (uint)modifiedMaterial.GetHashCode() : 0,
-                texture ? (uint)texture.GetHashCode() : 0,
-                0 < _parent.m_AnimatableProperties.Length ? (uint)GetHashCode() : 0,
+                modifiedMaterial ? (uint)modifiedMaterial.GetInstanceID() : 0,
+                texture ? (uint)texture.GetInstanceID() : 0,
+                0 < _parent.m_AnimatableProperties.Length ? (uint)GetInstanceID() : 0,
 #if UNITY_EDITOR
                (uint)EditorJsonUtility.ToJson(modifiedMaterial).GetHashCode()
 #else
@@ -284,40 +283,21 @@ namespace Coffee.UIExtensions
                || !transform.lossyScale.GetScaled(_parent.scale3DForCalc).IsVisible() // Scale is not visible.
                || (!_particleSystem.IsAlive() && !_particleSystem.isPlaying) // No particle.
                || (_isTrail && !_particleSystem.trails.enabled) // Trail, but it is not enabled.
+#if UNITY_2018_3_OR_NEWER
+                || canvasRenderer.GetInheritedAlpha() <
+                0.01f // #102: Do not bake particle system to mesh when the alpha is zero.
+#endif
            )
            {
-                // Skip clearing the mesh if it's already cleared.
-                if (_meshCleared) return;
-
                Profiler.BeginSample("[UIParticleRenderer] Clear Mesh");
                workerMesh.Clear();
                canvasRenderer.SetMesh(workerMesh);
                _lastBounds = new Bounds();
-                _meshCleared = true;
                Profiler.EndSample();

                return;
            }

-            // Reset custom data.
-            // var customData = _particleSystem.customData;
-            // if (!customData.enabled || customData.GetMode(ParticleSystemCustomData.Custom1) == ParticleSystemCustomDataMode.Disabled)
-            // {
-            //     customData.SetVector(ParticleSystemCustomData.Custom1, 0, 0);
-            //     customData.SetVector(ParticleSystemCustomData.Custom1, 1, 0);
-            //     customData.SetVector(ParticleSystemCustomData.Custom1, 2, 0);
-            //     customData.SetVector(ParticleSystemCustomData.Custom1, 3, 0);
-            // }
-            //
-            // if (!customData.enabled || customData.GetMode(ParticleSystemCustomData.Custom2) == ParticleSystemCustomDataMode.Disabled)
-            // {
-            //     customData.SetVector(ParticleSystemCustomData.Custom2, 0, 0);
-            //     customData.SetVector(ParticleSystemCustomData.Custom2, 1, 0);
-            //     customData.SetVector(ParticleSystemCustomData.Custom2, 2, 0);
-            //     customData.SetVector(ParticleSystemCustomData.Custom2, 3, 0);
-            // }
-
-            _meshCleared = false;
            var main = _particleSystem.main;
            var scale = GetWorldScale();
            var psPos = _particleSystem.transform.position;
@@ -335,13 +315,6 @@ namespace Coffee.UIExtensions
 #endif
                {
                    ResolveResolutionChange(psPos, scale);
-
-                    // fix: second and subsequent bursts not displayed when world simulation and non-looping. (#326)
-                    if (!_particleSystem.IsLocalSpace() && !main.loop && _particleSystem.time == 0)
-                    {
-                        _delay = true;
-                    }
-
                    Simulate(scale, _parent.isPaused || _delay);

                    if (_delay && !_parent.isPaused)
@@ -444,7 +417,7 @@ namespace Coffee.UIExtensions
                _lastBounds = bounds;

                // Convert linear color to gamma color.
-                if (UIParticleProjectSettings.autoColorCorrection && canvas.ShouldGammaToLinearInMesh())
+                if (UIParticleProjectSettings.enableLinearToGamma && canvas.ShouldGammaToLinearInMesh())
                {
                    workerMesh.LinearToGamma();
                }
@@ -737,7 +710,7 @@ namespace Coffee.UIExtensions
            if (s_Mpb.isEmpty) return;

            // #41: Copy the value from MaterialPropertyBlock to CanvasRenderer
-            if (materialForRendering == null) return;
+            if (!materialForRendering) return;

            for (var i = 0; i < _parent.m_AnimatableProperties.Length; i++)
            {
--- a/Packages/src/Runtime/UIParticleUpdater.cs
+++ b/Packages/src/Runtime/UIParticleUpdater.cs
@@ -16,25 +16,25 @@ namespace Coffee.UIExtensions

        public static void Register(UIParticle particle)
        {
-            if (particle == null) return;
+            if (!particle) return;
            s_ActiveParticles.Add(particle);
        }

        public static void Unregister(UIParticle particle)
        {
-            if (particle == null) return;
+            if (!particle) return;
            s_ActiveParticles.Remove(particle);
        }

        public static void Register(UIParticleAttractor attractor)
        {
-            if (attractor == null) return;
+            if (!attractor) return;
            s_ActiveAttractors.Add(attractor);
        }

        public static void Unregister(UIParticleAttractor attractor)
        {
-            if (attractor == null) return;
+            if (!attractor) return;
            s_ActiveAttractors.Remove(attractor);
        }

@@ -71,7 +71,7 @@ namespace Coffee.UIExtensions
            for (var i = 0; i < s_ActiveParticles.Count; i++)
            {
                var uip = s_ActiveParticles[i];
-                if (uip == null || uip.canvas == null || !uip.isPrimary || !s_UpdatedGroupIds.Add(uip.groupId)) continue;
+                if (!uip || !uip.canvas || !uip.isPrimary || !s_UpdatedGroupIds.Add(uip.groupId)) continue;

                uip.UpdateTransformScale();
                uip.UpdateRenderers();
@@ -81,7 +81,7 @@ namespace Coffee.UIExtensions
            for (var i = 0; i < s_ActiveParticles.Count; i++)
            {
                var uip = s_ActiveParticles[i];
-                if (uip == null || uip.canvas == null) continue;
+                if (!uip || !uip.canvas) continue;

                uip.UpdateTransformScale();

@@ -125,7 +125,7 @@ namespace Coffee.UIExtensions
                var uip = s_ActiveParticles[i];
                if (!uip.useMeshSharing || uip.groupId != groupId) continue;
                if (uip.isPrimary) return uip;
-                if (primary == null && uip.canSimulate) primary = uip;
+                if (!primary && uip.canSimulate) primary = uip;
            }

            return primary;
--- a/Packages/src/Runtime/Utilities/ParticleSystemExtensions.cs
+++ b/Packages/src/Runtime/Utilities/ParticleSystemExtensions.cs
@@ -12,8 +12,12 @@ namespace Coffee.UIParticleInternal
        public static ParticleSystem.Particle[] GetParticleArray(int size)
        {
            if (s_TmpParticles.Length < size)
+            {
+                while (s_TmpParticles.Length < size)
                {
                    size = Mathf.NextPowerOfTwo(size);
+                }
+
                s_TmpParticles = new ParticleSystem.Particle[size];
            }

@@ -84,15 +88,15 @@ namespace Coffee.UIParticleInternal
                var bRenderer = b.GetComponent<ParticleSystemRenderer>();

                // Render queue: ascending
-                var aMat = aRenderer.sharedMaterial != null ? aRenderer.sharedMaterial : aRenderer.trailMaterial;
-                var bMat = bRenderer.sharedMaterial != null ? bRenderer.sharedMaterial : bRenderer.trailMaterial;
-                if (aMat == null && bMat == null) return 0;
-                if (aMat == null) return -1;
-                if (bMat == null) return 1;
+                var aMat = aRenderer.sharedMaterial ? aRenderer.sharedMaterial : aRenderer.trailMaterial;
+                var bMat = bRenderer.sharedMaterial ? bRenderer.sharedMaterial : bRenderer.trailMaterial;
+                if (!aMat && !bMat) return 0;
+                if (!aMat) return -1;
+                if (!bMat) return 1;

                if (sortByMaterial)
                {
-                    return aMat.GetHashCode() - bMat.GetHashCode();
+                    return aMat.GetInstanceID() - bMat.GetInstanceID();
                }

                if (aMat.renderQueue != bMat.renderQueue)
@@ -131,7 +135,7 @@ namespace Coffee.UIParticleInternal
        {
            for (var i = 0; i < list.Count; i++)
            {
-                if (list[i].GetHashCode() == ps.GetHashCode())
+                if (list[i].GetInstanceID() == ps.GetInstanceID())
                {
                    return i;
                }
@@ -142,7 +146,7 @@ namespace Coffee.UIParticleInternal

        public static Texture2D GetTextureForSprite(this ParticleSystem self)
        {
-            if (self == null) return null;
+            if (!self) return null;

            // Get sprite's texture.
            var tsaModule = self.textureSheetAnimation;
@@ -151,7 +155,7 @@ namespace Coffee.UIParticleInternal
            for (var i = 0; i < tsaModule.spriteCount; i++)
            {
                var sprite = tsaModule.GetSprite(i);
-                if (sprite == null) continue;
+                if (!sprite) continue;

                return sprite.GetActualTexture();
            }
@@ -163,14 +167,14 @@ namespace Coffee.UIParticleInternal
        {
            foreach (var p in self)
            {
-                if (p == null) continue;
+                if (!p) continue;
                action.Invoke(p);
            }
        }

        public static ParticleSystem GetMainEmitter(this ParticleSystem self, List<ParticleSystem> list)
        {
-            if (self == null || list == null || list.Count == 0) return null;
+            if (!self || list == null || list.Count == 0) return null;

            for (var i = 0; i < list.Count; i++)
            {
@@ -183,11 +187,7 @@ namespace Coffee.UIParticleInternal

        public static bool IsSubEmitterOf(this ParticleSystem self, ParticleSystem parent)
        {
-            if (self == null || parent == null) return false;
-
            var subEmitters = parent.subEmitters;
-            if (!subEmitters.enabled) return false; // No sub emitters.
-
            var count = subEmitters.subEmittersCount;
            for (var i = 0; i < count; i++)
            {
--- a/Packages/src/Samples~/Demo/Scripts/CopyItemOnStart.cs
+++ b/Packages/src/Samples~/Demo/Scripts/CopyItemOnStart.cs
@@ -15,7 +15,7 @@ namespace Coffee.UIExtensions.Demo

        private void Start()
        {
-            if (m_Origin == null) return;
+            if (!m_Origin) return;
            m_Origin.SetActive(false);

            var parent = m_Origin.transform.parent;
--- a/Packages/src/Samples~/Demo/Scripts/UIElementDragger.cs
+++ b/Packages/src/Samples~/Demo/Scripts/UIElementDragger.cs
@@ -42,7 +42,7 @@ public class UIElementDragger : MonoBehaviour, IBeginDragHandler, IDragHandler,
                break;
            case Target.Custom:
                _rectTransform.localPosition += delta;
-                if (m_CustomTarget != null)
+                if (m_CustomTarget)
                {
                    if (m_UseCanvasScale)
                    {
--- a/Packages/src/Shaders/UIAdditive.shader
+++ b/Packages/src/Shaders/UIAdditive.shader
@@ -40,8 +40,12 @@
        Lighting Off
        ZWrite Off
        ZTest [unity_GUIZTestMode]
-        Fog { Mode Off }
+        Fog
+        {
+            Mode Off
+        }
        Blend One One
+
        ColorMask [_ColorMask]

        Pass
@@ -72,7 +76,6 @@
                fixed4 color : COLOR;
                float2 texcoord : TEXCOORD0;
                float4 worldPosition : TEXCOORD1;
-                float4 mask : TEXCOORD2;
                UNITY_VERTEX_OUTPUT_STEREO
            };

@@ -81,43 +84,16 @@
            float4 _MainTex_ST;
            fixed4 _TextureSampleAdd;
            float4 _ClipRect;
-            float _UIMaskSoftnessX;
-            float _UIMaskSoftnessY;
-            int _UIVertexColorAlwaysGammaSpace;
-
-            half3 _UIGammaToLinear(half3 value)
-            {
-                half3 low = 0.0849710 * value - 0.000163029;
-                half3 high = value * (value * (value * 0.265885 + 0.736584) - 0.00980184) + 0.00319697;
-
-                // We should be 0.5 away from any actual gamma value stored in an 8 bit channel
-                const half3 split = (half3)0.0725490; // Equals 18.5 / 255
-                return (value < split) ? low : high;
-            }

            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;
+                OUT.vertex = UnityObjectToClipPos(OUT.worldPosition);

-                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)
-                {
-                    #ifndef UNITY_COLORSPACE_GAMMA
-                    v.color.rgb = _UIGammaToLinear(v.color.rgb);
-                    #endif
-                }
+                OUT.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);

                OUT.color = v.color * _Color;
                return OUT;
@@ -125,26 +101,17 @@

            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);
-                IN.color.a = round(IN.color.a * alphaPrecision) * invAlphaPrecision;
-
-                half4 color = IN.color * (tex2D(_MainTex, IN.texcoord) + _TextureSampleAdd);
+                half4 color = (tex2D(_MainTex, IN.texcoord) + _TextureSampleAdd) * IN.color;

                #ifdef UNITY_UI_CLIP_RECT
-                half2 m = saturate((_ClipRect.zw - _ClipRect.xy - abs(IN.mask.xy)) * IN.mask.zw);
-                color.a *= m.x * m.y;
+                    color.a *= UnityGet2DClipping(IN.worldPosition.xy, _ClipRect);
                #endif

                #ifdef UNITY_UI_ALPHACLIP
-                clip(color.a - 0.001);
+                    clip (color.a - 0.001);
                #endif

                color.rgb *= color.a;
-
                return color;
            }
            ENDCG
--- a/Packages/src/package.json
+++ b/Packages/src/package.json
@@ -2,8 +2,8 @@
  "name": "com.coffee.ui-particle",
  "displayName": "UI Particle",
  "description": "This package provides a component to render particle effects for uGUI.\nThe particle rendering is maskable and sortable, without the need for an extra Camera, RenderTexture, or Canvas.",
-  "version": "4.12.2",
-  "unity": "2018.2",
+  "version": "5.0.0-preview.15",
+  "unity": "2019.3",
  "license": "MIT",
  "repository": {
    "type": "git",
Author	SHA1	Message	Date
semantic-release-bot	73d208e9b8	chore(release): 5.0.0-preview.15 [skip ci] # [5.0.0-preview.15](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.14...5.0.0-preview.15) (2025-02-21) ### Bug Fixes * component icons will no longer be displayed in the scene view ([`6dfbdae`](`6dfbdae38d`)) * editor crashed on exit play mode (editor, windows) ([`47ee45c`](`47ee45cbbe`)), closes [#351](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/351) ### Features * add 'TimeScaleMultiplier' option ([`925af0b`](`925af0b604`))	2025-02-21 09:45:26 +00:00
mob-sakai	bfac4d4e2f	Merge remote-tracking branch 'origin/develop' into develop-preview # Conflicts: # Packages/src/CHANGELOG.md # Packages/src/Runtime/UIParticle.cs # Packages/src/package.json	2025-02-21 18:38:11 +09:00
semantic-release-bot	88d956ece8	chore(release): 5.0.0-preview.14 [skip ci] # [5.0.0-preview.14](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.13...5.0.0-preview.14) (2025-01-03) ### Bug Fixes * sub-emitter particles may not render correctly in certain scenarios ([`8276684`](`8276684c3b`)), closes [#348](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/348) * sub-emitter's `inherit velocity` module doubles at runtime ([`67de3d1`](`67de3d1bd3`)), closes [#349](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/349)	2025-01-03 14:26:44 +00:00
mob-sakai	2842b3db7d	Merge branch 'develop' into develop-preview	2025-01-03 23:14:17 +09:00
semantic-release-bot	c2958d5d7d	chore(release): 5.0.0-preview.13 [skip ci] # [5.0.0-preview.13](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/5.0.0-preview.12...5.0.0-preview.13) (2025-01-03) ### Features * change the default value of `UIParticle.scale` from `10` to `1` ([`9955eef`](`9955eefdc2`)) * UIParticle no longer inherits from MaskableGraphic ([`c09bfb8`](`c09bfb81ab`)) ### BREAKING CHANGES * Some members inherited from MaskableGraphic will no longer be available.	2025-01-03 14:12:36 +00:00
mob-sakai	7456b5d555	docs: update documents	2025-01-03 23:08:20 +09:00
mob-sakai	9955eefdc2	feat: change the default value of `UIParticle.scale` from `10` to `1`	2025-01-03 23:02:15 +09:00
mob-sakai	c09bfb81ab	feat: UIParticle no longer inherits from MaskableGraphic BREAKING CHANGE: Some members inherited from MaskableGraphic will no longer be available.	2025-01-03 23:02:15 +09:00
mob-sakai	fab2ed1697	chore: update coffee.internal	2025-01-03 22:58:23 +09:00
mob-sakai	ef4dbc3cba	fix: sub-emitter particles may not render correctly in certain scenarios close #248	2025-01-03 22:50:36 +09:00
mob-sakai	27551a4d47	fix: sub-emitter's `inherit velocity` module doubles at runtime close #249	2025-01-03 22:29:07 +09:00