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<link rel="alternate" type="application/atom+xml" href="/cocos-service-pack/blog/atom.xml" title="Cocos Service Pack Atom Feed"><title data-rh="true">SpriteFrame 换装 | Cocos Service Pack</title><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:url" content="https://smallmain.github.io/cocos-service-pack/docs/user-guide/spine/spine-skin"><meta data-rh="true" name="docusaurus_locale" content="zh"><meta data-rh="true" name="docsearch:language" content="zh"><meta data-rh="true" name="docusaurus_version" content="current"><meta data-rh="true" name="docusaurus_tag" content="docs-default-current"><meta data-rh="true" name="docsearch:version" content="current"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-current"><meta data-rh="true" property="og:title" content="SpriteFrame 换装 | Cocos Service Pack"><meta data-rh="true" name="description" content="随心所欲地控制动态合图的使用。"><meta data-rh="true" property="og:description" content="随心所欲地控制动态合图的使用。"><link data-rh="true" rel="icon" href="/cocos-service-pack/img/favicon.ico"><link data-rh="true" rel="canonical" href="https://smallmain.github.io/cocos-service-pack/docs/user-guide/spine/spine-skin"><link data-rh="true" rel="alternate" href="https://smallmain.github.io/cocos-service-pack/docs/user-guide/spine/spine-skin" hreflang="zh"><link data-rh="true" rel="alternate" href="https://smallmain.github.io/cocos-service-pack/docs/user-guide/spine/spine-skin" hreflang="x-default"><link rel="stylesheet" href="/cocos-service-pack/assets/css/styles.5581f124.css">
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href="/cocos-service-pack/docs/user-guide/user-guide-intro"><span itemprop="name">使用指南</span></a><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-service-pack/docs/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><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>但是这种方法比较绕，并且 Spine 动画中有切换 attachment 的关键帧时会导致失效。</p><p>而 attachment 对象都持有着一个 region 对象，region 对象有点类似引擎的 SpriteFrame，所以我们可以通过更换 region 对象来进行换装。</p><hr><h2 class="anchor anchorWithStickyNavbar_mojV" id="region-与-spriteframe-互转">Region 与 SpriteFrame 互转<a class="hash-link" href="#region-与-spriteframe-互转" title="标题的直接链接"></a></h2><p>首先服务包提供了 Region 与 SpriteFrame 对象相互转换的接口。</p><p>SpriteFrame 转为 Region：</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"> region </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> sp</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access maybe-class-name">SkeletonData</span><span class="token punctuation" style="color:#393A34">.</span><span class="token method function property-access" style="color:#d73a49">createRegion</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>Region 转为 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"> sp</span><span class="token punctuation" style="color:#393A34">.</span><span class="token property-access maybe-class-name">SkeletonData</span><span class="token punctuation" style="color:#393A34">.</span><span class="token method function property-access" style="color:#d73a49">createSpriteFrame</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">region</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 Region 转为 SpriteFrame 则可能导致方向不同的问题，<strong>要进行换装的话使用的是 SpriteFrame 转为 Region，所以不用担心这个问题。</strong></p></div></div><hr><h2 class="anchor anchorWithStickyNavbar_mojV" id="替换-region-对象">替换 Region 对象<a class="hash-link" href="#替换-region-对象" title="标题的直接链接"></a></h2><p>使用上面的接口将 SpriteFrame 转为 Region 后，就可以调用服务包提供的设置 Region 接口来进行换装了。</p><p>这个接口在 Spine 组件上：</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">spine</span><span class="token punctuation" style="color:#393A34">.</span><span class="token method function property-access" style="color:#d73a49">setRegion</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 plain"> region</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>还有一个获取 Region 对象的接口：</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><p>将转换与设置的代码结合，你就可以使用一行代码进行换装了。</p><div class="codeBlockContainer_MPoW theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_B9tL"><pre tabindex="0" class="prism-code language-text codeBlock__0OG thin-scrollbar"><code class="codeBlockLines_gEuF"><span class="token-line" style="color:#393A34"><span class="token plain">spine.setRegion('head', 'head', sp.SkeletonData.createRegion(spriteFrame));</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>效果就像这样：</p><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>替换 Region 对象实际上是在 Spine 组件所使用的 SkeletonData 上进行替换的，所以所有使用这个 SkeletonData 进行渲染的组件都会被替换。</p><p>如果你只想替换其中一个组件的显示，那么就可以让所有组件都使用不同的 SkeletonData 进行渲染。</p><p>服务包提供了一个克隆接口来实现这个需求，你可以使用：</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 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>克隆 SkeletonData，然后再进行换装，赋值给 Spine 组件。</p><hr><p>以上所有用法你可以在 <a href="https://smallmain.github.io/cocos-service-pack/demo/v1.0.0-alpha/web-desktop/index.html" target="_blank" rel="noopener noreferrer">演示项目</a> 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-service-pack/docs/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-service-pack/docs/theory-guide/theory-guide-intro"><div class="pagination-nav__sublabel">下一页</div><div class="pagination-nav__label">原理文档</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="#region-与-spriteframe-互转" class="table-of-contents__link toc-highlight">Region 与 SpriteFrame 互转</a></li><li><a href="#替换-region-对象" class="table-of-contents__link toc-highlight">替换 Region 对象</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><footer class="footer footer--dark"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2022 Cocos Service Pack.</div></div></div></footer></div>
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