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<title>QAbstractAnimationClip Class | Qt 3D 5.12.2</title>
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<td >Qt 5.12</td><td ><a href="qt3d-index.html">Qt 3D</a></td><td ><a href="qt3d-cpp.html">C++ Classes</a></td><td >QAbstractAnimationClip</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right"><a href="qt3d-index.html">Qt 5.12.2 Reference Documentation</a></td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#properties">Properties</a></li>
<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#signals">Signals</a></li>
<li class="level1"><a href="#static-public-members">Static Public Members</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QAbstractAnimationClip Class</h1>
<span class="small-subtitle">(<a href="qt3danimation-qabstractanimationclip.html">Qt3DAnimation::QAbstractAnimationClip</a>)<br/></span>
<!-- $$$QAbstractAnimationClip-brief -->
<p><a href="qt3danimation-qabstractanimationclip.html">QAbstractAnimationClip</a> is the base class for types providing key frame animation data. <a href="#details">More...</a></p>
<!-- @@@QAbstractAnimationClip -->
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QAbstractAnimationClip></span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += 3danimation</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 5.9</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qt3dcore-qnode.html">Qt3DCore::QNode</a></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherited By:</td><td class="memItemRight bottomAlign"> <p><a href="qt3danimation-qanimationclip.html">Qt3DAnimation::QAnimationClip</a> and <a href="qt3danimation-qanimationcliploader.html">Qt3DAnimation::QAnimationClipLoader</a></p>
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<li><a href="qt3danimation-qabstractanimationclip-members.html">List of all members, including inherited members</a></li>
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<h2 id="properties">Properties</h2>
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<li class="fn"><b><a href="qt3danimation-qabstractanimationclip.html#duration-prop">duration</a></b> : const float</li>
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<li class="fn">3 properties inherited from <a href="qt3dcore-qnode.html#properties">Qt3DCore::QNode</a></li>
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<h2 id="public-functions">Public Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qt3danimation-qabstractanimationclip.html#dtor.QAbstractAnimationClip">~QAbstractAnimationClip</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> float </td><td class="memItemRight bottomAlign"><b><a href="qt3danimation-qabstractanimationclip.html#duration-prop">duration</a></b>() const</td></tr>
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<li class="fn">13 public functions inherited from <a href="qt3dcore-qnode.html#public-functions">Qt3DCore::QNode</a></li>
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<h2 id="signals">Signals</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3danimation-qabstractanimationclip.html#duration-prop">durationChanged</a></b>(float <i>duration</i>)</td></tr>
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<li class="fn">4 signals inherited from <a href="qt3dcore-qnode.html#signals">Qt3DCore::QNode</a></li>
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<h2 id="static-public-members">Static Public Members</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> const QMetaObject </td><td class="memItemRight bottomAlign"><b><a href="qt3danimation-qabstractanimationclip.html#staticMetaObject-var">staticMetaObject</a></b></td></tr>
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<h3>Additional Inherited Members</h3>
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<li class="fn">3 public slots inherited from <a href="qt3dcore-qnode.html#public-slots">Qt3DCore::QNode</a></li>
<li class="fn">2 protected functions inherited from <a href="qt3dcore-qnode.html#protected-functions">Qt3DCore::QNode</a></li>
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<a name="details"></a>
<!-- $$$QAbstractAnimationClip-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p><a href="qt3danimation-qabstractanimationclip.html">QAbstractAnimationClip</a> is the base class for types providing key frame animation data.</p>
<p>To utilise the key frame animation framework in the Qt 3D Animation module the animator component in use needs to be provided with the key frame animation data. The animation data is provided by one of the concrete subclasses of <a href="qt3danimation-qabstractanimationclip.html">QAbstractAnimationClip</a>:</p>
<ul>
<li><a href="qt3danimation-qanimationclip.html">Qt3DAnimation::QAnimationClip</a></li>
<li><a href="qt3danimation-qanimationcliploader.html">Qt3DAnimation::QAnimationClipLoader</a></li>
</ul>
<p><a href="qt3danimation-qanimationclip.html">QAnimationClip</a> should be used when you want to create the animation data programmatically within your application. The actual data is set with a <a href="qt3danimation-qanimationclipdata.html">QAnimationClipData</a> value type.</p>
<p>If you are loading baked animation data from a file, e.g. as created by an artist, then use the <a href="qt3danimation-qanimationcliploader.html">QAnimationClipLoader</a> class and set its <code>source</code> property.</p>
<p>Once the animation clip has been populated with data using the above methods, the read-only duration property will be updated by the Qt 3D Animation backend.</p>
<p>The typical usage of animation clips is:</p>
<pre class="cpp">
<span class="keyword">auto</span> animator <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qt3danimation-qclipanimator.html">QClipAnimator</a></span>();
<span class="keyword">auto</span> clip <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qt3danimation-qanimationcliploader.html">QAnimationClipLoader</a></span>();
clip<span class="operator">-</span><span class="operator">></span>setSource(<span class="type">QUrl</span><span class="operator">::</span>fromLocalFile(<span class="string">"bounce.json"</span>));
animator<span class="operator">-</span><span class="operator">></span>setClip(clip);
animator<span class="operator">-</span><span class="operator">></span>setChannelMapper(<span class="operator">.</span><span class="operator">.</span><span class="operator">.</span>);
animator<span class="operator">-</span><span class="operator">></span>setRunning(<span class="keyword">true</span>);
</pre>
<p>Animation clips are also used as the leaf node values in animation blend trees:</p>
<pre class="cpp">
<span class="comment">// Create leaf nodes of blend tree</span>
<span class="keyword">auto</span> slideClipValue <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qt3danimation-qclipblendvalue.html">QClipBlendValue</a></span>(
<span class="keyword">new</span> <span class="type"><a href="qt3danimation-qanimationcliploader.html">QAnimationClipLoader</a></span>(<span class="type">QUrl</span><span class="operator">::</span>fromLocalFile(<span class="string">"slide.json"</span>)));
<span class="keyword">auto</span> bounceClipValue <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qt3danimation-qclipblendvalue.html">QClipBlendValue</a></span>(
<span class="keyword">new</span> <span class="type"><a href="qt3danimation-qanimationcliploader.html">QAnimationClipLoader</a></span>(<span class="type">QUrl</span><span class="operator">::</span>fromLocalFile(<span class="string">"bounce.json"</span>)));
<span class="comment">// Create blend tree inner node</span>
<span class="keyword">auto</span> additiveNode <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qt3danimation-qadditiveclipblend.html">QAdditiveClipBlend</a></span>();
additiveNode<span class="operator">-</span><span class="operator">></span>setBaseClip(slideClipValue);
additiveNode<span class="operator">-</span><span class="operator">></span>setAdditiveClip(bounceClipValue);
additiveNode<span class="operator">-</span><span class="operator">></span>setAdditiveFactor(<span class="number">0.5f</span>);
<span class="comment">// Run the animator</span>
<span class="keyword">auto</span> animator <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qt3danimation-qblendedclipanimator.html">QBlendedClipAnimator</a></span>();
animator<span class="operator">-</span><span class="operator">></span>setBlendTree(additiveNode);
animator<span class="operator">-</span><span class="operator">></span>setChannelMapper(<span class="operator">.</span><span class="operator">.</span><span class="operator">.</span>);
animator<span class="operator">-</span><span class="operator">></span>setRunning(<span class="keyword">true</span>);
</pre>
</div>
<p><b>See also </b><a href="qt3danimation-qanimationclip.html">QAnimationClip</a> and <a href="qt3danimation-qanimationcliploader.html">QAnimationClipLoader</a>.</p>
<!-- @@@QAbstractAnimationClip -->
<div class="prop">
<h2>Property Documentation</h2>
<!-- $$$duration-prop$$$duration$$$durationChangedfloat -->
<h3 class="fn" id="duration-prop"><a name="duration-prop"></a><span class="name">duration</span> : const <span class="type">float</span></h3>
<p>Holds the duration of the animation clip in seconds. Gets updated once the animation data is provided to Qt 3D using one of the concrete subclasses.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> float </td><td class="memItemRight bottomAlign"><span class="name"><b>duration</b></span>() const</td></tr>
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<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>durationChanged</b></span>(float <i>duration</i>)</td></tr>
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<!-- @@@duration -->
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<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$~QAbstractAnimationClip[overload1]$$$~QAbstractAnimationClip -->
<h3 class="fn" id="dtor.QAbstractAnimationClip"><a name="dtor.QAbstractAnimationClip"></a><code>[virtual] </code>QAbstractAnimationClip::<span class="name">~QAbstractAnimationClip</span>()</h3>
<p>Destroys this animation clip.</p>
<!-- @@@~QAbstractAnimationClip -->
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