1266 lines
78 KiB
HTML
1266 lines
78 KiB
HTML
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<title>VideoMotion - Documentation</title>
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<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="-_StackFrame.html">_StackFrame</a><ul class='methods'><li data-type='method'><a href="-_StackFrame.html#.create">create</a></li><li data-type='method'><a href="-_StackFrame.html#.release">release</a></li><li data-type='method'><a href="-_StackFrame.html#reset">reset</a></li><li data-type='method'><a href="-_StackFrame.html#reuse">reuse</a></li></ul></li><li><a href="BLE.html">BLE</a><ul class='methods'><li data-type='method'><a href="BLE.html#connectPeripheral">connectPeripheral</a></li><li data-type='method'><a href="BLE.html#didReceiveCall">didReceiveCall</a></li><li data-type='method'><a href="BLE.html#disconnect">disconnect</a></li><li data-type='method'><a href="BLE.html#handleDisconnectError">handleDisconnectError</a></li><li data-type='method'><a href="BLE.html#isConnected">isConnected</a></li><li data-type='method'><a href="BLE.html#read">read</a></li><li data-type='method'><a href="BLE.html#requestPeripheral">requestPeripheral</a></li><li data-type='method'><a href="BLE.html#startNotifications">startNotifications</a></li><li data-type='method'><a href="BLE.html#write">write</a></li></ul></li><li><a href="BlockCached.html">BlockCached</a></li><li><a href="Blocks.html">Blocks</a><ul class='methods'><li data-type='method'><a href="Blocks.html#_addScript">_addScript</a></li><li data-type='method'><a href="Blocks.html#_deleteScript">_deleteScript</a></li><li data-type='method'><a href="Blocks.html#_getBackdropField">_getBackdropField</a></li><li data-type='method'><a href="Blocks.html#_getBlockParams">_getBlockParams</a></li><li data-type='method'><a href="Blocks.html#_getCostumeField">_getCostumeField</a></li><li data-type='method'><a href="Blocks.html#_getCustomBlockInternal">_getCustomBlockInternal</a></li><li data-type='method'><a href="Blocks.html#_getSoundField">_getSoundField</a></li><li data-type='method'><a href="Blocks.html#_getSpriteField">_getSpriteField</a></li><li data-type='method'><a href="Blocks.html#blocklyListen">blocklyListen</a></li><li data-type='method'><a href="Blocks.html#blockToXML">blockToXML</a></li><li data-type='method'><a href="Blocks.html#changeBlock">changeBlock</a></li><li data-type='method'><a href="Blocks.html#createBlock">createBlock</a></li><li data-type='method'><a href="Blocks.html#deleteBlock">deleteBlock</a></li><li data-type='method'><a href="Blocks.html#emitProjectChanged">emitProjectChanged</a></li><li data-type='method'><a href="Blocks.html#getAllVariableAndListReferences">getAllVariableAndListReferences</a></li><li data-type='method'><a href="Blocks.html#getBlock">getBlock</a></li><li data-type='method'><a href="Blocks.html#getBranch">getBranch</a></li><li data-type='method'><a href="Blocks.html#getFields">getFields</a></li><li data-type='method'><a href="Blocks.html#getInputs">getInputs</a></li><li data-type='method'><a href="Blocks.html#getMutation">getMutation</a></li><li data-type='method'><a href="Blocks.html#getNextBlock">getNextBlock</a></li><li data-type='method'><a href="Blocks.html#getOpcode">getOpcode</a></li><li data-type='method'><a href="Blocks.html#getProcedureDefinition">getProcedureDefinition</a></li><li data-type='method'><a href="Blocks.html#getProcedureParamNamesAndIds">getProcedureParamNamesAndIds</a></li><li data-type='method'><a href="Blocks.html#getProcedureParamNamesIdsAndDefaults">getProcedureParamNamesIdsAndDefaults</a></li><li data-type='method'><a href="Blocks.html#getScripts">getScripts</a></li><li data-type='method'><a href="Blocks.html#getTopLevelScript">getTopLevelScript</a></li><li data-type='method'><a href="Blocks.html#moveBlock">moveBlock</a></li><li data-type='method'><a href="Blocks.html#mutationToXML">mutationToXML</a></li><li data-type='method'><a href="Blocks.html#resetCache">resetCache</a></li><li data-type='method'><a href="Blocks.html#runAllMonitored">runAllMonitored</a></li><li data-type='method'><a href="Blocks.html#toXML">toXML</a></li><li data-type='method'><a href="Blocks.html#updateAssetName">updateAssetName</a></li><li data-type='method'><a href
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</nav>
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<div id="main">
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<h1 class="page-title">VideoMotion</h1>
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<section>
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<header>
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<h2>
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VideoMotion
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</h2>
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<div class="class-description"><p>Store the necessary image pixel data to compares frames of a video and
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detect an amount and direction of motion in the full sample or in a
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specified area.</p></div>
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</header>
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<article>
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<div class="container-overview">
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<h2>Constructor</h2>
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<h4 class="name" id="VideoMotion"><span class="type-signature"></span>new VideoMotion<span class="signature">()</span><span class="type-signature"></span></h4>
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<dl class="details">
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</div>
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<h3 class="subsection-title">Members</h3>
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<h4 class="name" id="_arrays"><span class="type-signature"></span>_arrays<span class="type-signature"> :number</span></h4>
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<dl class="details">
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</dl>
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<div class="description">
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<p>A buffer for holding one component of a pixel's full value twice.
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One for the current value. And one for the last value.</p>
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</div>
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<h5>Type:</h5>
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<ul>
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<li>
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<span class="param-type">number</span>
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</li>
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</ul>
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<h4 class="name" id="_curr"><span class="type-signature"></span>_curr<span class="type-signature"> :number</span></h4>
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<dl class="details">
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</dl>
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<div class="description">
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<p>A clamped uint8 view of _arrays. One component of each index of the
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curr member is copied into this array.</p>
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</div>
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<h5>Type:</h5>
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<ul>
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<li>
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<span class="param-type">number</span>
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</li>
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</ul>
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<h4 class="name" id="_prev"><span class="type-signature"></span>_prev<span class="type-signature"> :number</span></h4>
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<dl class="details">
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</dl>
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<div class="description">
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<p>A clamped uint8 view of _arrays. One component of each index of the
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prev member is copied into this array.</p>
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</div>
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<h5>Type:</h5>
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<ul>
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<li>
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<span class="param-type">number</span>
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</li>
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</ul>
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<h4 class="name" id="curr"><span class="type-signature"></span>curr<span class="type-signature"> :Uint32Array</span></h4>
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<dl class="details">
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</dl>
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<div class="description">
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<p>A copy of the current frame's pixel values. A index of the array is
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represented in RGBA. The lowest byte is red. The next is green. The
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next is blue. And the last is the alpha value of that pixel.</p>
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</div>
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<h5>Type:</h5>
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<ul>
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<li>
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<span class="param-type">Uint32Array</span>
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</li>
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</ul>
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<h4 class="name" id="frameNumber"><span class="type-signature"></span>frameNumber<span class="type-signature"> :number</span></h4>
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<dl class="details">
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|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</dl>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<div class="description">
|
||
|
|
<p>The number of frames that have been added from a source.</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h5>Type:</h5>
|
||
|
|
<ul>
|
||
|
|
<li>
|
||
|
|
|
||
|
|
<span class="param-type">number</span>
|
||
|
|
|
||
|
|
|
||
|
|
</li>
|
||
|
|
</ul>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h4 class="name" id="lastAnalyzedFrame"><span class="type-signature"></span>lastAnalyzedFrame<span class="type-signature"> :number</span></h4>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<dl class="details">
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</dl>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<div class="description">
|
||
|
|
<p>The frameNumber last analyzed.</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h5>Type:</h5>
|
||
|
|
<ul>
|
||
|
|
<li>
|
||
|
|
|
||
|
|
<span class="param-type">number</span>
|
||
|
|
|
||
|
|
|
||
|
|
</li>
|
||
|
|
</ul>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h4 class="name" id="motionAmount"><span class="type-signature"></span>motionAmount<span class="type-signature"> :number</span></h4>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<dl class="details">
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</dl>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<div class="description">
|
||
|
|
<p>The amount of motion detected in the current frame.</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h5>Type:</h5>
|
||
|
|
<ul>
|
||
|
|
<li>
|
||
|
|
|
||
|
|
<span class="param-type">number</span>
|
||
|
|
|
||
|
|
|
||
|
|
</li>
|
||
|
|
</ul>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h4 class="name" id="motionDirection"><span class="type-signature"></span>motionDirection<span class="type-signature"> :number</span></h4>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<dl class="details">
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</dl>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<div class="description">
|
||
|
|
<p>The direction the motion detected in the frame is general moving in.</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h5>Type:</h5>
|
||
|
|
<ul>
|
||
|
|
<li>
|
||
|
|
|
||
|
|
<span class="param-type">number</span>
|
||
|
|
|
||
|
|
|
||
|
|
</li>
|
||
|
|
</ul>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h4 class="name" id="prev"><span class="type-signature"></span>prev<span class="type-signature"> :Uint32Array</span></h4>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<dl class="details">
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</dl>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<div class="description">
|
||
|
|
<p>A copy of the last frame's pixel values.</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h5>Type:</h5>
|
||
|
|
<ul>
|
||
|
|
<li>
|
||
|
|
|
||
|
|
<span class="param-type">Uint32Array</span>
|
||
|
|
|
||
|
|
|
||
|
|
</li>
|
||
|
|
</ul>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h3 class="subsection-title">Methods</h3>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h4 class="name" id="addFrame"><span class="type-signature"></span>addFrame<span class="signature">(source)</span><span class="type-signature"></span></h4>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<dl class="details">
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</dl>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<div class="description">
|
||
|
|
<p>Add a frame to be next analyzed. The passed array represent a pixel with
|
||
|
|
each index in the RGBA format.</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h5>Parameters:</h5>
|
||
|
|
|
||
|
|
|
||
|
|
<table class="params">
|
||
|
|
<thead>
|
||
|
|
<tr>
|
||
|
|
|
||
|
|
<th>Name</th>
|
||
|
|
|
||
|
|
|
||
|
|
<th>Type</th>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<th class="last">Description</th>
|
||
|
|
</tr>
|
||
|
|
</thead>
|
||
|
|
|
||
|
|
<tbody>
|
||
|
|
|
||
|
|
|
||
|
|
<tr>
|
||
|
|
|
||
|
|
<td class="name"><code>source</code></td>
|
||
|
|
|
||
|
|
|
||
|
|
<td class="type">
|
||
|
|
|
||
|
|
|
||
|
|
<span class="param-type">Uint32Array</span>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</td>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<td class="description last"><p>a source frame of pixels to copy</p></td>
|
||
|
|
</tr>
|
||
|
|
|
||
|
|
|
||
|
|
</tbody>
|
||
|
|
</table>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h4 class="name" id="analyzeFrame"><span class="type-signature"></span>analyzeFrame<span class="signature">()</span><span class="type-signature"></span></h4>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<dl class="details">
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</dl>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<div class="description">
|
||
|
|
<p>Analyze the current frame against the previous frame determining the
|
||
|
|
amount of motion and direction of the motion.</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<h4 class="name" id="getLocalMotion"><span class="type-signature"></span>getLocalMotion<span class="signature">(drawable, state)</span><span class="type-signature"></span></h4>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<dl class="details">
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</dl>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<div class="description">
|
||
|
|
<p>Build motion amount and direction values based on stored current and
|
||
|
|
previous frame that overlaps a given drawable.</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
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<h5>Parameters:</h5>
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<table class="params">
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<thead>
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<tr>
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<th>Name</th>
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<th>Type</th>
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<th class="last">Description</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td class="name"><code>drawable</code></td>
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<td class="type">
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<span class="param-type">Drawable</span>
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</td>
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<td class="description last"><p>touchable and bounded drawable to build motion for</p></td>
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</tr>
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<tr>
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<td class="name"><code>state</code></td>
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<td class="type">
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<span class="param-type">MotionState</span>
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</td>
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<td class="description last"><p>state to store built values to</p></td>
|
||
|
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</tr>
|
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</tbody>
|
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</table>
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<h4 class="name" id="reset"><span class="type-signature"></span>reset<span class="signature">()</span><span class="type-signature"></span></h4>
|
||
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<dl class="details">
|
||
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|
</dl>
|
||
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|
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|
|
<div class="description">
|
||
|
|
<p>Reset internal state so future frame analysis does not consider values
|
||
|
|
from before this method was called.</p>
|
||
|
|
</div>
|
||
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|
|
</article>
|
||
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|
||
|
|
</section>
|
||
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|
|
</div>
|
||
|
|
|
||
|
|
<br class="clear">
|
||
|
|
|
||
|
|
<footer>
|
||
|
|
Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.6.3</a> using the <a href="https://github.com/clenemt/docdash">docdash</a> theme.
|
||
|
|
</footer>
|
||
|
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|
||
|
|
<script>prettyPrint();</script>
|
||
|
|
<script src="scripts/polyfill.js"></script>
|
||
|
|
<script src="scripts/linenumber.js"></script>
|
||
|
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|
||
|
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|
||
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|
||
|
|
</body>
|
||
|
|
</html>
|