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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="utf-8">
- <title>Box2 - Three.js Docs</title>
- <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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- <link type="text/css" rel="stylesheet" href="../styles/page.css">
- </head>
- <body>
- <h1 translate="no">Box2</h1>
- <section>
- <header>
- <div class="class-description"><p>Represents an axis-aligned bounding box (AABB) in 2D space.</p></div>
- </header>
- <article>
- <div class="container-overview">
- <h2>Constructor</h2>
- <h3 class="name name-method" id="Box2" translate="no">new <a href="#Box2">Box2</a><span class="signature">( min : <span class="param-type"><a href="Vector2.html">Vector2</a></span>, max : <span class="param-type"><a href="Vector2.html">Vector2</a></span> )</span> </h3>
- <div class="method">
- <div class="description">
- <p>Constructs a new bounding box.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>min</strong>
- </td>
- <td class="description last">
- <p>A vector representing the lower boundary of the box.</p>
- <p>Default is <code>(Infinity,Infinity)</code>.</p>
- </td>
- </tr>
- <tr>
- <td class="name">
- <strong>max</strong>
- </td>
- <td class="description last">
- <p>A vector representing the upper boundary of the box.</p>
- <p>Default is <code>(-Infinity,-Infinity)</code>.</p>
- </td>
- </tr>
- </tbody>
- </table>
- </div>
- </div>
- <h2 class="subsection-title">Properties</h2>
- <div class="member">
- <h3 class="name" id="isBox2" translate="no">.<a href="#isBox2">isBox2</a><span class="type-signature"> : boolean</span> <span class="type-signature">(readonly) </span></h3>
- <div class="description">
- <p>This flag can be used for type testing.</p>
- <p>Default is <code>true</code>.</p>
- </div>
- </div>
- <div class="member">
- <h3 class="name" id="max" translate="no">.<a href="#max">max</a><span class="type-signature"> : <a href="Vector2.html">Vector2</a></span> </h3>
- <div class="description">
- <p>The upper boundary of the box.</p>
- </div>
- </div>
- <div class="member">
- <h3 class="name" id="min" translate="no">.<a href="#min">min</a><span class="type-signature"> : <a href="Vector2.html">Vector2</a></span> </h3>
- <div class="description">
- <p>The lower boundary of the box.</p>
- </div>
- </div>
- <h2 class="subsection-title">Methods</h2>
- <h3 class="name name-method" id="clampPoint" translate="no">.<a href="#clampPoint">clampPoint</a><span class="signature">( point : <span class="param-type"><a href="Vector2.html">Vector2</a></span>, target : <span class="param-type"><a href="Vector2.html">Vector2</a></span> )</span><span class="type-signature"> : <a href="Vector2.html">Vector2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Clamps the given point within the bounds of this box.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>point</strong>
- </td>
- <td class="description last">
- <p>The point to clamp.</p>
- </td>
- </tr>
- <tr>
- <td class="name">
- <strong>target</strong>
- </td>
- <td class="description last">
- <p>The target vector that is used to store the method's result.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> The clamped point.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="clone" translate="no">.<a href="#clone">clone</a><span class="signature">()</span><span class="type-signature"> : <a href="Box2.html">Box2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Returns a new box with copied values from this instance.</p>
- </div>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> A clone of this instance.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="containsBox" translate="no">.<a href="#containsBox">containsBox</a><span class="signature">( box : <span class="param-type"><a href="Box2.html">Box2</a></span> )</span><span class="type-signature"> : boolean</span> </h3>
- <div class="method">
- <div class="description">
- <p>Returns <code>true</code> if this bounding box includes the entirety of the given bounding box.
- If this box and the given one are identical, this function also returns <code>true</code>.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>box</strong>
- </td>
- <td class="description last">
- <p>The bounding box to test.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> Whether the bounding box contains the given bounding box or not.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="containsPoint" translate="no">.<a href="#containsPoint">containsPoint</a><span class="signature">( point : <span class="param-type"><a href="Vector2.html">Vector2</a></span> )</span><span class="type-signature"> : boolean</span> </h3>
- <div class="method">
- <div class="description">
- <p>Returns <code>true</code> if the given point lies within or on the boundaries of this box.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>point</strong>
- </td>
- <td class="description last">
- <p>The point to test.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> Whether the bounding box contains the given point or not.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="copy" translate="no">.<a href="#copy">copy</a><span class="signature">( box : <span class="param-type"><a href="Box2.html">Box2</a></span> )</span><span class="type-signature"> : <a href="Box2.html">Box2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Copies the values of the given box to this instance.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>box</strong>
- </td>
- <td class="description last">
- <p>The box to copy.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> A reference to this bounding box.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="distanceToPoint" translate="no">.<a href="#distanceToPoint">distanceToPoint</a><span class="signature">( point : <span class="param-type"><a href="Vector2.html">Vector2</a></span> )</span><span class="type-signature"> : number</span> </h3>
- <div class="method">
- <div class="description">
- <p>Returns the euclidean distance from any edge of this box to the specified point. If
- the given point lies inside of this box, the distance will be <code>0</code>.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>point</strong>
- </td>
- <td class="description last">
- <p>The point to compute the distance to.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> The euclidean distance.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="equals" translate="no">.<a href="#equals">equals</a><span class="signature">( box : <span class="param-type"><a href="Box2.html">Box2</a></span> )</span><span class="type-signature"> : boolean</span> </h3>
- <div class="method">
- <div class="description">
- <p>Returns <code>true</code> if this bounding box is equal with the given one.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>box</strong>
- </td>
- <td class="description last">
- <p>The box to test for equality.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> Whether this bounding box is equal with the given one.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="expandByPoint" translate="no">.<a href="#expandByPoint">expandByPoint</a><span class="signature">( point : <span class="param-type"><a href="Vector2.html">Vector2</a></span> )</span><span class="type-signature"> : <a href="Box2.html">Box2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Expands the boundaries of this box to include the given point.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>point</strong>
- </td>
- <td class="description last">
- <p>The point that should be included by the bounding box.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> A reference to this bounding box.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="expandByScalar" translate="no">.<a href="#expandByScalar">expandByScalar</a><span class="signature">( scalar : <span class="param-type">number</span> )</span><span class="type-signature"> : <a href="Box2.html">Box2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Expands each dimension of the box by the given scalar. If negative, the
- dimensions of the box will be contracted.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>scalar</strong>
- </td>
- <td class="description last">
- <p>The scalar value that should expand the bounding box.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> A reference to this bounding box.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="expandByVector" translate="no">.<a href="#expandByVector">expandByVector</a><span class="signature">( vector : <span class="param-type"><a href="Vector2.html">Vector2</a></span> )</span><span class="type-signature"> : <a href="Box2.html">Box2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Expands this box equilaterally by the given vector. The width of this
- box will be expanded by the x component of the vector in both
- directions. The height of this box will be expanded by the y component of
- the vector in both directions.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>vector</strong>
- </td>
- <td class="description last">
- <p>The vector that should expand the bounding box.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> A reference to this bounding box.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="getCenter" translate="no">.<a href="#getCenter">getCenter</a><span class="signature">( target : <span class="param-type"><a href="Vector2.html">Vector2</a></span> )</span><span class="type-signature"> : <a href="Vector2.html">Vector2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Returns the center point of this box.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>target</strong>
- </td>
- <td class="description last">
- <p>The target vector that is used to store the method's result.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> The center point.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="getParameter" translate="no">.<a href="#getParameter">getParameter</a><span class="signature">( point : <span class="param-type"><a href="Vector2.html">Vector2</a></span>, target : <span class="param-type"><a href="Vector2.html">Vector2</a></span> )</span><span class="type-signature"> : <a href="Vector2.html">Vector2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Returns a point as a proportion of this box's width and height.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>point</strong>
- </td>
- <td class="description last">
- <p>A point in 2D space.</p>
- </td>
- </tr>
- <tr>
- <td class="name">
- <strong>target</strong>
- </td>
- <td class="description last">
- <p>The target vector that is used to store the method's result.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> A point as a proportion of this box's width and height.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="getSize" translate="no">.<a href="#getSize">getSize</a><span class="signature">( target : <span class="param-type"><a href="Vector2.html">Vector2</a></span> )</span><span class="type-signature"> : <a href="Vector2.html">Vector2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Returns the dimensions of this box.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>target</strong>
- </td>
- <td class="description last">
- <p>The target vector that is used to store the method's result.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> The size.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="intersect" translate="no">.<a href="#intersect">intersect</a><span class="signature">( box : <span class="param-type"><a href="Box2.html">Box2</a></span> )</span><span class="type-signature"> : <a href="Box2.html">Box2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Computes the intersection of this bounding box and the given one, setting the upper
- bound of this box to the lesser of the two boxes' upper bounds and the
- lower bound of this box to the greater of the two boxes' lower bounds. If
- there's no overlap, makes this box empty.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>box</strong>
- </td>
- <td class="description last">
- <p>The bounding box to intersect with.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> A reference to this bounding box.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="intersectsBox" translate="no">.<a href="#intersectsBox">intersectsBox</a><span class="signature">( box : <span class="param-type"><a href="Box2.html">Box2</a></span> )</span><span class="type-signature"> : boolean</span> </h3>
- <div class="method">
- <div class="description">
- <p>Returns <code>true</code> if the given bounding box intersects with this bounding box.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>box</strong>
- </td>
- <td class="description last">
- <p>The bounding box to test.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> Whether the given bounding box intersects with this bounding box.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="isEmpty" translate="no">.<a href="#isEmpty">isEmpty</a><span class="signature">()</span><span class="type-signature"> : boolean</span> </h3>
- <div class="method">
- <div class="description">
- <p>Returns true if this box includes zero points within its bounds.
- Note that a box with equal lower and upper bounds still includes one
- point, the one both bounds share.</p>
- </div>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> Whether this box is empty or not.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="makeEmpty" translate="no">.<a href="#makeEmpty">makeEmpty</a><span class="signature">()</span><span class="type-signature"> : <a href="Box2.html">Box2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Makes this box empty which means in encloses a zero space in 2D.</p>
- </div>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> A reference to this bounding box.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="set" translate="no">.<a href="#set">set</a><span class="signature">( min : <span class="param-type"><a href="Vector2.html">Vector2</a></span>, max : <span class="param-type"><a href="Vector2.html">Vector2</a></span> )</span><span class="type-signature"> : <a href="Box2.html">Box2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Sets the lower and upper boundaries of this box.
- Please note that this method only copies the values from the given objects.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>min</strong>
- </td>
- <td class="description last">
- <p>The lower boundary of the box.</p>
- </td>
- </tr>
- <tr>
- <td class="name">
- <strong>max</strong>
- </td>
- <td class="description last">
- <p>The upper boundary of the box.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> A reference to this bounding box.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="setFromCenterAndSize" translate="no">.<a href="#setFromCenterAndSize">setFromCenterAndSize</a><span class="signature">( center : <span class="param-type"><a href="Vector2.html">Vector2</a></span>, size : <span class="param-type"><a href="Vector2.html">Vector2</a></span> )</span><span class="type-signature"> : <a href="Box2.html">Box2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Centers this box on the given center vector and sets this box's width, height and
- depth to the given size values.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>center</strong>
- </td>
- <td class="description last">
- <p>The center of the box.</p>
- </td>
- </tr>
- <tr>
- <td class="name">
- <strong>size</strong>
- </td>
- <td class="description last">
- <p>The x and y dimensions of the box.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> A reference to this bounding box.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="setFromPoints" translate="no">.<a href="#setFromPoints">setFromPoints</a><span class="signature">( points : <span class="param-type">Array.<<a href="Vector2.html">Vector2</a>></span> )</span><span class="type-signature"> : <a href="Box2.html">Box2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Sets the upper and lower bounds of this box so it encloses the position data
- in the given array.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>points</strong>
- </td>
- <td class="description last">
- <p>An array holding 2D position data as instances of <a href="Vector2.html">Vector2</a>.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> A reference to this bounding box.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="translate" translate="no">.<a href="#translate">translate</a><span class="signature">( offset : <span class="param-type"><a href="Vector2.html">Vector2</a></span> )</span><span class="type-signature"> : <a href="Box2.html">Box2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Adds the given offset to both the upper and lower bounds of this bounding box,
- effectively moving it in 2D space.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>offset</strong>
- </td>
- <td class="description last">
- <p>The offset that should be used to translate the bounding box.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> A reference to this bounding box.</dt>
- </dl>
- </div>
- <h3 class="name name-method" id="union" translate="no">.<a href="#union">union</a><span class="signature">( box : <span class="param-type"><a href="Box2.html">Box2</a></span> )</span><span class="type-signature"> : <a href="Box2.html">Box2</a></span> </h3>
- <div class="method">
- <div class="description">
- <p>Computes the union of this box and another and the given one, setting the upper
- bound of this box to the greater of the two boxes' upper bounds and the
- lower bound of this box to the lesser of the two boxes' lower bounds.</p>
- </div>
- <table class="params">
- <tbody>
- <tr>
- <td class="name">
- <strong>box</strong>
- </td>
- <td class="description last">
- <p>The bounding box that will be unioned with this instance.</p>
- </td>
- </tr>
- </tbody>
- </table>
- <dl class="details">
- <dt class="tag-returns"><strong>Returns:</strong> A reference to this bounding box.</dt>
- </dl>
- </div>
- <h2 class="subsection-title">Source</h2>
- <p>
- <a href="https://github.com/mrdoob/three.js/blob/master/src/math/Box2.js" translate="no" target="_blank" rel="noopener">src/math/Box2.js</a>
- </p>
- </article>
- </section>
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- <script src="../scripts/page.js"></script>
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