jsdk-offical

<!doctype html> <html class="default no-js"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Point2 | JSDK 2.7.0 API</title> <meta name="description" content="Documentation for JSDK 2.7.0 API"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="../assets/css/main.css"> </head> <body> <header> <div class="tsd-page-toolbar"> <div class="container"> <div class="table-wrap"> <div class="table-cell" id="tsd-search" data-index="../assets/js/search.json" data-base=".."> <div class="field"> <label for="tsd-search-field" class="tsd-widget search no-caption">Search</label> <input id="tsd-search-field" type="text" /> </div> <ul class="results"> <li class="state loading">Preparing search index...</li> <li class="state failure">The search index is not available</li> </ul> <a href="../index.html" class="title">JSDK 2.7.0 API</a> </div> <div class="table-cell" id="tsd-widgets"> <div id="tsd-filter"> <a href="#" class="tsd-widget options no-caption" data-toggle="options">Options</a> <div class="tsd-filter-group"> <div class="tsd-select" id="tsd-filter-visibility"> <span class="tsd-select-label">All</span> <ul class="tsd-select-list"> <li data-value="public">Public</li> <li data-value="protected">Public/Protected</li> <li data-value="private" class="selected">All</li> </ul> </div> <input type="checkbox" id="tsd-filter-inherited" checked /> <label class="tsd-widget" for="tsd-filter-inherited">Inherited</label> <input type="checkbox" id="tsd-filter-externals" checked /> <label class="tsd-widget" for="tsd-filter-externals">Externals</label> <input type="checkbox" id="tsd-filter-only-exported" /> <label class="tsd-widget" for="tsd-filter-only-exported">Only exported</label> </div> </div> <a href="#" class="tsd-widget menu no-caption" data-toggle="menu">Menu</a> </div> </div> </div> </div> <div class="tsd-page-title"> <div class="container"> <ul class="tsd-breadcrumb"> <li> <a href="../globals.html">Globals</a> </li> <li> <a href="../modules/js.html">JS</a> </li> <li> <a href="../modules/js.math.html">math</a> </li> <li> <a href="js.math.point2.html">Point2</a> </li> </ul> <h1>Class Point2</h1> </div> </div> </header> <div class="container container-main"> <div class="row"> <div class="col-8 col-content"> <section class="tsd-panel tsd-comment"> <div class="tsd-comment tsd-typography"> <div class="lead"> <p>2D Point in Cartesian coordinate.</p> </div> </div> </section> <section class="tsd-panel tsd-hierarchy"> <h3>Hierarchy</h3> <ul class="tsd-hierarchy"> <li> <span class="target">Point2</span> </li> </ul> </section> <section class="tsd-panel-group tsd-index-group"> <h2>Index</h2> <section class="tsd-panel tsd-index-panel"> <div class="tsd-index-content"> <section class="tsd-index-section "> <h3>Constructors</h3> <ul class="tsd-index-list"> <li class="tsd-kind-constructor tsd-parent-kind-class"><a href="js.math.point2.html#constructor" class="tsd-kind-icon">constructor</a></li> </ul> </section> <section class="tsd-index-section "> <h3>Properties</h3> <ul class="tsd-index-list"> <li class="tsd-kind-property tsd-parent-kind-class"><a href="js.math.point2.html#x" class="tsd-kind-icon">x</a></li> <li class="tsd-kind-property tsd-parent-kind-class"><a href="js.math.point2.html#y" class="tsd-kind-icon">y</a></li> <li class="tsd-kind-property tsd-parent-kind-class tsd-is-static"><a href="js.math.point2.html#origin" class="tsd-kind-icon">ORIGIN</a></li> </ul> </section> <section class="tsd-index-section "> <h3>Methods</h3> <ul class="tsd-index-list"> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#clamp" class="tsd-kind-icon">clamp</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#clampmax" class="tsd-kind-icon">clamp<wbr>Max</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#clampmin" class="tsd-kind-icon">clamp<wbr>Min</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#clone" class="tsd-kind-icon">clone</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#distance" class="tsd-kind-icon">distance</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#distancel1" class="tsd-kind-icon">distance<wbr>L1</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#distancelinf" class="tsd-kind-icon">distance<wbr>Linf</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#distancesq" class="tsd-kind-icon">distance<wbr>Sq</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#equals" class="tsd-kind-icon">equals</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#moveto" class="tsd-kind-icon">move<wbr>To</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#radian" class="tsd-kind-icon">radian</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#set" class="tsd-kind-icon">set</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#toarray" class="tsd-kind-icon">to<wbr>Array</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#topolar" class="tsd-kind-icon">to<wbr>Polar</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#toward" class="tsd-kind-icon">toward</a></li> <li class="tsd-kind-method tsd-parent-kind-class"><a href="js.math.point2.html#translate" class="tsd-kind-icon">translate</a></li> <li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="js.math.point2.html#distance-1" class="tsd-kind-icon">distance</a></li> <li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="js.math.point2.html#distancesq-1" class="tsd-kind-icon">distance<wbr>Sq</a></li> <li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="js.math.point2.html#equal" class="tsd-kind-icon">equal</a></li> <li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="js.math.point2.html#isorigin" class="tsd-kind-icon">is<wbr>Origin</a></li> <li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="js.math.point2.html#polar2xy" class="tsd-kind-icon">polar2xy</a></li> <li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="js.math.point2.html#radian-1" class="tsd-kind-icon">radian</a></li> <li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="js.math.point2.html#toarray-1" class="tsd-kind-icon">to<wbr>Array</a></li> <li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="js.math.point2.html#topoint" class="tsd-kind-icon">to<wbr>Point</a></li> <li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><a href="js.math.point2.html#xy2polar" class="tsd-kind-icon">xy2polar</a></li> </ul> </section> </div> </section> </section> <section class="tsd-panel-group tsd-member-group "> <h2>Constructors</h2> <section class="tsd-panel tsd-member tsd-kind-constructor tsd-parent-kind-class"> <a name="constructor" class="tsd-anchor"></a> <h3>constructor</h3> <ul class="tsd-signatures tsd-kind-constructor tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">new <wbr>Point2<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="js.math.point2.html" class="tsd-signature-type">Point2</a></li> <li class="tsd-signature tsd-kind-icon">new <wbr>Point2<span class="tsd-signature-symbol">(</span>x<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="js.math.point2.html" class="tsd-signature-type">Point2</a></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-returns-title">Returns <a href="js.math.point2.html" class="tsd-signature-type">Point2</a></h4> </li> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>x: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <a href="js.math.point2.html" class="tsd-signature-type">Point2</a></h4> </li> </ul> </section> </section> <section class="tsd-panel-group tsd-member-group "> <h2>Properties</h2> <section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class"> <a name="x" class="tsd-anchor"></a> <h3>x</h3> <div class="tsd-signature tsd-kind-icon">x<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span></div> <aside class="tsd-sources"> </aside> </section> <section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class"> <a name="y" class="tsd-anchor"></a> <h3>y</h3> <div class="tsd-signature tsd-kind-icon">y<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span></div> <aside class="tsd-sources"> </aside> </section> <section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-class tsd-is-static"> <a name="origin" class="tsd-anchor"></a> <h3><span class="tsd-flag ts-flagStatic">Static</span> ORIGIN</h3> <div class="tsd-signature tsd-kind-icon">ORIGIN<span class="tsd-signature-symbol">:</span> <a href="js.math.point2.html" class="tsd-signature-type">Point2</a><span class="tsd-signature-symbol"> = new Point2(0, 0)</span></div> <aside class="tsd-sources"> </aside> </section> </section> <section class="tsd-panel-group tsd-member-group "> <h2>Methods</h2> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="clamp" class="tsd-anchor"></a> <h3>clamp</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">clamp<span class="tsd-signature-symbol">(</span>min<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, max<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">this</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <div class="tsd-comment tsd-typography"> <div class="lead"> <p> Clamps this point to the range [min, max].</p> </div> </div> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>min: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>max: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">this</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="clampmax" class="tsd-anchor"></a> <h3>clamp<wbr>Max</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">clamp<wbr>Max<span class="tsd-signature-symbol">(</span>max<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">this</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <div class="tsd-comment tsd-typography"> <div class="lead"> <p> Clamps the maximum value of this point to the max parameter.</p> </div> </div> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>max: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">this</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="clampmin" class="tsd-anchor"></a> <h3>clamp<wbr>Min</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">clamp<wbr>Min<span class="tsd-signature-symbol">(</span>min<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">this</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <div class="tsd-comment tsd-typography"> <div class="lead"> <p> Clamps the minimum value of this point to the min parameter.</p> </div> </div> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>min: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">this</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="clone" class="tsd-anchor"></a> <h3>clone</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">clone<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="js.math.point2.html" class="tsd-signature-type">Point2</a></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-returns-title">Returns <a href="js.math.point2.html" class="tsd-signature-type">Point2</a></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="distance" class="tsd-anchor"></a> <h3>distance</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">distance<span class="tsd-signature-symbol">(</span>x<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <div class="tsd-comment tsd-typography"> <div class="lead"> <p>Computes the distance between this point and point p.</p> </div> </div> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>x: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="distancel1" class="tsd-anchor"></a> <h3>distance<wbr>L1</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">distance<wbr>L1<span class="tsd-signature-symbol">(</span>x<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <div class="tsd-comment tsd-typography"> <div class="lead"> <p>Computes the L-1 (Manhattan) distance between this point and point p. The L-1 distance is equal to: abs(x1-x2) + abs(y1-y2).</p> </div> </div> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>x: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="distancelinf" class="tsd-anchor"></a> <h3>distance<wbr>Linf</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">distance<wbr>Linf<span class="tsd-signature-symbol">(</span>x<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <div class="tsd-comment tsd-typography"> <div class="lead"> <p>Computes the L-infinite distance between this point and point p1. The L-infinite distance is equal to MAX[abs(x1-x2), abs(y1-y2)].</p> </div> </div> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>x: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="distancesq" class="tsd-anchor"></a> <h3>distance<wbr>Sq</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">distance<wbr>Sq<span class="tsd-signature-symbol">(</span>x<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <div class="tsd-comment tsd-typography"> <div class="lead"> <p>Computes the square of the distance between this point and point p.</p> </div> </div> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>x: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="equals" class="tsd-anchor"></a> <h3>equals</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">equals<span class="tsd-signature-symbol">(</span>p<span class="tsd-signature-symbol">: </span><a href="js.math.point2.html" class="tsd-signature-type">Point2</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <div class="tsd-comment tsd-typography"> <div class="lead"> <p>Returns true if the L-infinite distance between this point and point p is less than or equal to the epsilon parameter, otherwise returns false. The L-infinite distance is equal to MAX[abs(x1-x2), abs(y1-y2), . . . ].</p> </div> </div> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>p: <a href="js.math.point2.html" class="tsd-signature-type">Point2</a></h5> <div class="tsd-comment tsd-typography"> </div> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="moveto" class="tsd-anchor"></a> <h3>move<wbr>To</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">move<wbr>To<span class="tsd-signature-symbol">(</span>x<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">this</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>x: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">this</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="radian" class="tsd-anchor"></a> <h3>radian</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">radian<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <div class="tsd-comment tsd-typography"> <div class="lead"> <p>The radian between this point and X axis. <br> 计算点与X轴的夹角。</p> </div> </div> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="set" class="tsd-anchor"></a> <h3>set</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">set<span class="tsd-signature-symbol">(</span>p<span class="tsd-signature-symbol">: </span><a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a><span class="tsd-signature-symbol"> | </span><a href="js.math.point2.html" class="tsd-signature-type">Point2</a><span class="tsd-signature-symbol"> | </span><a href="../modules/js.math.html#polarpoint2" class="tsd-signature-type">PolarPoint2</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">this</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>p: <a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a><span class="tsd-signature-symbol"> | </span><a href="js.math.point2.html" class="tsd-signature-type">Point2</a><span class="tsd-signature-symbol"> | </span><a href="../modules/js.math.html#polarpoint2" class="tsd-signature-type">PolarPoint2</a></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">this</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="toarray" class="tsd-anchor"></a> <h3>to<wbr>Array</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">to<wbr>Array<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-returns-title">Returns <a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="topolar" class="tsd-anchor"></a> <h3>to<wbr>Polar</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">to<wbr>Polar<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/js.math.html#polarpoint2" class="tsd-signature-type">PolarPoint2</a></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-returns-title">Returns <a href="../modules/js.math.html#polarpoint2" class="tsd-signature-type">PolarPoint2</a></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="toward" class="tsd-anchor"></a> <h3>toward</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">toward<span class="tsd-signature-symbol">(</span>step<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, rad<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">this</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <div class="tsd-comment tsd-typography"> <div class="lead"> <p>Move point toward along the radian.</p> </div> </div> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>step: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>rad: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">this</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class"> <a name="translate" class="tsd-anchor"></a> <h3>translate</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class"> <li class="tsd-signature tsd-kind-icon">translate<span class="tsd-signature-symbol">(</span>x<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">this</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>x: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">this</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static"> <a name="distance-1" class="tsd-anchor"></a> <h3><span class="tsd-flag ts-flagStatic">Static</span> distance</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static"> <li class="tsd-signature tsd-kind-icon">distance<span class="tsd-signature-symbol">(</span>x1<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y1<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, x2<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y2<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <div class="tsd-comment tsd-typography"> <div class="lead"> <p>Computes the distance between p1 and p2.</p> </div> </div> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>x1: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y1: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>x2: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y2: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static"> <a name="distancesq-1" class="tsd-anchor"></a> <h3><span class="tsd-flag ts-flagStatic">Static</span> distance<wbr>Sq</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static"> <li class="tsd-signature tsd-kind-icon">distance<wbr>Sq<span class="tsd-signature-symbol">(</span>x1<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y1<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, x2<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y2<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <div class="tsd-comment tsd-typography"> <div class="lead"> <p>Computes the square of the distance between p1 and p2.</p> </div> </div> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>x1: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y1: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>x2: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y2: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static"> <a name="equal" class="tsd-anchor"></a> <h3><span class="tsd-flag ts-flagStatic">Static</span> equal</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static"> <li class="tsd-signature tsd-kind-icon">equal<span class="tsd-signature-symbol">(</span>p1<span class="tsd-signature-symbol">: </span><a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a>, p2<span class="tsd-signature-symbol">: </span><a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li> <li class="tsd-signature tsd-kind-icon">equal<span class="tsd-signature-symbol">(</span>x1<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y1<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, x2<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y2<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>p1: <a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a></h5> </li> <li> <h5>p2: <a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4> </li> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>x1: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y1: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>x2: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y2: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static"> <a name="isorigin" class="tsd-anchor"></a> <h3><span class="tsd-flag ts-flagStatic">Static</span> is<wbr>Origin</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static"> <li class="tsd-signature tsd-kind-icon">is<wbr>Origin<span class="tsd-signature-symbol">(</span>x<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>x: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static"> <a name="polar2xy" class="tsd-anchor"></a> <h3><span class="tsd-flag ts-flagStatic">Static</span> polar2xy</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static"> <li class="tsd-signature tsd-kind-icon">polar2xy<span class="tsd-signature-symbol">(</span>d<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, rad<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>d: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>rad: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static"> <a name="radian-1" class="tsd-anchor"></a> <h3><span class="tsd-flag ts-flagStatic">Static</span> radian</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static"> <li class="tsd-signature tsd-kind-icon">radian<span class="tsd-signature-symbol">(</span>x1<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y1<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, x2<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">number</span>, y2<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <div class="tsd-comment tsd-typography"> <div class="lead"> <p>The radian between the line(p1, origin) or the line(p1, p2) and X-axis. <br> 计算点到原点的连线与X轴的夹角的弧度。</p> </div> </div> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>x1: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y1: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5><span class="tsd-flag ts-flagOptional">Optional</span> x2: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5><span class="tsd-flag ts-flagOptional">Optional</span> y2: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static"> <a name="toarray-1" class="tsd-anchor"></a> <h3><span class="tsd-flag ts-flagStatic">Static</span> to<wbr>Array</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static"> <li class="tsd-signature tsd-kind-icon">to<wbr>Array<span class="tsd-signature-symbol">(</span>p<span class="tsd-signature-symbol">: </span><a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a><span class="tsd-signature-symbol"> | </span><a href="js.math.point2.html" class="tsd-signature-type">Point2</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>p: <a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a><span class="tsd-signature-symbol"> | </span><a href="js.math.point2.html" class="tsd-signature-type">Point2</a></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static"> <a name="topoint" class="tsd-anchor"></a> <h3><span class="tsd-flag ts-flagStatic">Static</span> to<wbr>Point</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static"> <li class="tsd-signature tsd-kind-icon">to<wbr>Point<span class="tsd-signature-symbol">(</span>p<span class="tsd-signature-symbol">: </span><a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="js.math.point2.html" class="tsd-signature-type">Point2</a></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>p: <a href="../modules/js.math.html#arraypoint2" class="tsd-signature-type">ArrayPoint2</a></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <a href="js.math.point2.html" class="tsd-signature-type">Point2</a></h4> </li> </ul> </section> <section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-static"> <a name="xy2polar" class="tsd-anchor"></a> <h3><span class="tsd-flag ts-flagStatic">Static</span> xy2polar</h3> <ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-static"> <li class="tsd-signature tsd-kind-icon">xy2polar<span class="tsd-signature-symbol">(</span>x<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span>, y<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="../modules/js.math.html#polarpoint2" class="tsd-signature-type">PolarPoint2</a></li> </ul> <ul class="tsd-descriptions"> <li class="tsd-description"> <aside class="tsd-sources"> </aside> <h4 class="tsd-parameters-title">Parameters</h4> <ul class="tsd-parameters"> <li> <h5>x: <span class="tsd-signature-type">number</span></h5> </li> <li> <h5>y: <span class="tsd-signature-type">number</span></h5> </li> </ul> <h4 class="tsd-returns-title">Returns <a href="../modules/js.math.html#polarpoint2" class="tsd-signature-type">PolarPoint2</a></h4> </li> </ul> </section> </section> </div> <div class="col-4 col-menu menu-sticky-wrap menu-highlight"> <nav class="tsd-navigation primary"> <ul> <li class="globals "> <a href="../globals.html"><em>Globals</em></a> </li> <li class="current tsd-kind-namespace"> <a href="../modules/js.html">JS</a> <ul> <li class=" tsd-kind-namespace tsd-parent-kind-namespace"> <a href="../modules/js.an.html">an</a> </li> <li class=" tsd-kind-namespace tsd-parent-kind-namespace"> <a href="../modules/js.app.html">app</a> </li> <li class=" tsd-kind-namespace tsd-parent-kind-namespace"> <a href="../modules/js.core.html">core</a> </li> <li class=" tsd-kind-namespace tsd-parent-kind-namespace"> <a href="../modules/js.d2.html">d2</a> </li> <li class=" tsd-kind-namespace tsd-parent-kind-namespace"> <a href="../modules/js.ds.html">ds</a> </li> <li class=" tsd-kind-namespace 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<li class="current tsd-kind-class tsd-parent-kind-namespace"> <a href="js.math.point2.html" class="tsd-kind-icon">Point2</a> <ul> <li class=" tsd-kind-constructor tsd-parent-kind-class"> <a href="js.math.point2.html#constructor" class="tsd-kind-icon">constructor</a> </li> <li class=" tsd-kind-property tsd-parent-kind-class"> <a href="js.math.point2.html#x" class="tsd-kind-icon">x</a> </li> <li class=" tsd-kind-property tsd-parent-kind-class"> <a href="js.math.point2.html#y" class="tsd-kind-icon">y</a> </li> <li class=" tsd-kind-property tsd-parent-kind-class tsd-is-static"> <a href="js.math.point2.html#origin" class="tsd-kind-icon">ORIGIN</a> </li> <li class=" tsd-kind-method tsd-parent-kind-class