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href="/cocos-enhance-kit/docs/2.0.0/update-log">更新日志</a></li></ul></nav></div></aside><main class="docMainContainer_uL0j"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_DM6M"><div class="theme-doc-version-banner alert alert--warning margin-bottom--md" role="alert"><div>此为 <!-- -->Cocos Enhance Kit<!-- --> <b>2.0.0</b> 版的文档，现已不再积极维护。</div><div class="margin-top--md">最新的文档请参阅 <b><a href="/cocos-enhance-kit/docs/user-guide/spine/spine-skin">最新版本</a></b> (<!-- -->2.1.0<!-- -->)。</div></div><div class="docItemContainer_vinB"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Xlws" aria-label="页面路径"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="主页面" class="breadcrumbs__link" href="/cocos-enhance-kit/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_kU5B"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">使用指南</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/cocos-enhance-kit/docs/2.0.0/user-guide/spine/spine-intro"><span itemprop="name">Spine</span></a><meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">SpriteFrame 换装</span><meta itemprop="position" content="3"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">版本：2.0.0</span><div class="tocCollapsible_bZGK theme-doc-toc-mobile tocMobile_TmEX"><button type="button" class="clean-btn tocCollapsibleButton_l22C">本页总览</button></div><div class="theme-doc-markdown markdown"><h1>SpriteFrame 换装</h1><p>引擎提供了一个替换插槽的 attachment 对象进行换装的方法，可以在 <a href="https://docs.cocos.com/creator/2.4/manual/zh/components/spine.html" target="_blank" rel="noopener noreferrer">Spine 组件参考</a> 官方文档进行了解。</p><p>但是使用替换插槽的 attachment 对象这种方法比较绕，并且 Spine 动画中有切换 attachment 的关键帧时这种方法就没用了。</p><p>而 attachment 对象持有一个 region 对象，这个对象类似引擎的 SpriteFrame，所以我们可以通过修改 region 对象的数据来进行换装。</p><hr><h2 class="anchor anchorWithStickyNavbar_mojV" id="认识-regiondata">认识 RegionData<a class="hash-link" href="#认识-regiondata" title="标题的直接链接"></a></h2><p>请勿混淆 RegionData 与 region，RegionData 主要作为 SpriteFrame 和 region 对象之间的桥梁，实现两者的相互转换。</p><p>将 SpriteFrame 转换为 RegionData：</p><div class="language-js codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-js codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> regionData </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token keyword" style="color:#00009f">new</span><span class="token plain"> </span><span class="token class-name">sp</span><span class="token class-name punctuation" style="color:#393A34">.</span><span class="token class-name">RegionData</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">spriteFrame</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup_hRr1"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_W9eQ" aria-hidden="true"><svg class="copyButtonIcon_XEyF" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_i9w9" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>将 RegionData 转换为 SpriteFrame：</p><div class="language-js codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-js codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> spriteFrame </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> regionData</span><span class="token punctuation" style="color:#393A34">.</span><span class="token method function property-access" style="color:#d73a49">toSpriteFrame</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup_hRr1"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_W9eQ" aria-hidden="true"><svg class="copyButtonIcon_XEyF" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_i9w9" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>将 attachment 对象的 region 数据转换为 RegionData ：</p><div class="language-js codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-js codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> regionData </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token keyword" style="color:#00009f">new</span><span class="token plain"> </span><span class="token class-name">sp</span><span class="token class-name punctuation" style="color:#393A34">.</span><span class="token class-name">RegionData</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">attachment</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup_hRr1"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_W9eQ" aria-hidden="true"><svg class="copyButtonIcon_XEyF" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_i9w9" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>将 RegionData 数据更新到 attachment 对象上：</p><div class="language-js codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-js codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token plain">regionData</span><span class="token punctuation" style="color:#393A34">.</span><span class="token method function property-access" style="color:#d73a49">assignToAttachment</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">attachment</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup_hRr1"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_W9eQ" aria-hidden="true"><svg class="copyButtonIcon_XEyF" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_i9w9" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><div class="admonition admonition-caution alert alert--warning"><div class="admonition-heading"><h5><span class="admonition-icon"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M8.893 1.5c-.183-.31-.52-.5-.887-.5s-.703.19-.886.5L.138 13.499a.98.98 0 0 0 0 1.001c.193.31.53.501.886.501h13.964c.367 0 .704-.19.877-.5a1.03 1.03 0 0 0 .01-1.002L8.893 1.5zm.133 11.497H6.987v-2.003h2.039v2.003zm0-3.004H6.987V5.987h2.039v4.006z"></path></svg></span>注意</h5></div><div class="admonition-content"><p>Spine 的 Region 支持 <code>0</code>、<code>90</code>、<code>180</code>、<code>270</code> 四种旋转角度，而 Cocos Creator 的 SpriteFrame 只支持 <code>0</code> 与 <code>270</code> 两种旋转角度，所以如果是 RegionData 转为 SpriteFrame 则可能导致方向不同的问题。</p><p><strong>要进行换装的话使用的是 SpriteFrame 转为 RegionData，所以不用担心这个问题。</strong></p></div></div><hr><h2 class="anchor anchorWithStickyNavbar_mojV" id="使用-spriteframe-修改-region-数据">使用 SpriteFrame 修改 Region 数据<a class="hash-link" href="#使用-spriteframe-修改-region-数据" title="标题的直接链接"></a></h2><p>虽然使用上面的 RegionData 即可实现使用 SpriteFrame 换装的需求，但我们还在 Spine 组件上提供了两个更方便的接口：</p><p>只使用 <code>regionData.assignToAttachment(attachment)</code> 只会修改 SkeletonData 的数据，但不会触发 Spine 组件的渲染更新。</p><p>推荐直接使用：</p><div class="language-js codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-js codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token plain">skeletonComponent</span><span class="token punctuation" style="color:#393A34">.</span><span class="token method function property-access" style="color:#d73a49">setRegionData</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string" style="color:#e3116c">'Head'</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">'Head'</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> </span><span class="token keyword" style="color:#00009f">new</span><span class="token plain"> </span><span class="token class-name">sp</span><span class="token class-name punctuation" style="color:#393A34">.</span><span class="token class-name">RegionData</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">spriteFrame</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup_hRr1"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_W9eQ" aria-hidden="true"><svg class="copyButtonIcon_XEyF" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_i9w9" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>在修改的同时刷新组件的渲染实现换装，并且不会打断当前正在播放的动画。</p><p>还提供了一个通过 attachment 名称获取 RegionData 的接口：</p><div class="language-js codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-js codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token plain">a</span><span class="token punctuation" style="color:#393A34">.</span><span class="token method function property-access" style="color:#d73a49">getRegion</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">slotName</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> attachmentName</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup_hRr1"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_W9eQ" aria-hidden="true"><svg class="copyButtonIcon_XEyF" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_i9w9" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><hr><h2 class="anchor anchorWithStickyNavbar_mojV" id="注意事项">注意事项<a class="hash-link" href="#注意事项" title="标题的直接链接"></a></h2><h3 class="anchor anchorWithStickyNavbar_mojV" id="多实例问题">多实例问题<a class="hash-link" href="#多实例问题" title="标题的直接链接"></a></h3><p>由于是直接修改 Spine 组件所使用 SkeletonData 的 attachment 数据，所以所有 Spine 组件都会受到影响。</p><p>如果你只想替换其中一个组件，那么就可以克隆这个 SkeletonData 让每个组件都使用不同的 SkeletonData 实例进行渲染。</p><p>社区版提供了一个克隆数据的接口来实现这个需求：</p><div class="language-js codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-js codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">const</span><span class="token plain"> clonedSkeletonData </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> skeletonData</span><span class="token punctuation" style="color:#393A34">.</span><span class="token method function property-access" style="color:#d73a49">clone</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">;</span><br></span></code></pre><div class="buttonGroup_hRr1"><button type="button" aria-label="复制代码到剪贴板" title="复制" class="clean-btn"><span class="copyButtonIcons_W9eQ" aria-hidden="true"><svg class="copyButtonIcon_XEyF" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_i9w9" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>使用以上代码克隆 SkeletonData 后再进行换装，赋值给 Spine 组件，那么替换操作就只会对这个 Spine 组件生效。</p><hr><p>以上所有用法你可以在演示项目中找到示范代码。</p></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="文档分页导航"><a class="pagination-nav__link pagination-nav__link--prev" href="/cocos-enhance-kit/docs/2.0.0/user-guide/spine/spine-batch"><div class="pagination-nav__sublabel">上一页</div><div class="pagination-nav__label">动态合图</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/cocos-enhance-kit/docs/2.0.0/user-guide/tiledmap/tiledmap-intro"><div class="pagination-nav__sublabel">下一页</div><div class="pagination-nav__label">TiledMap</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_cNA8 thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#认识-regiondata" class="table-of-contents__link toc-highlight">认识 RegionData</a></li><li><a href="#使用-spriteframe-修改-region-数据" class="table-of-contents__link toc-highlight">使用 SpriteFrame 修改 Region 数据</a></li><li><a href="#注意事项" class="table-of-contents__link toc-highlight">注意事项</a><ul><li><a href="#多实例问题" class="table-of-contents__link toc-highlight">多实例问题</a></li></ul></li></ul></div></div></div></div></main></div></div></div>
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