javascript
/
tentone.escher.js
zrkadlo https://github.com/tentone/escher.js.git


			
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>JSDoc: Class: Viewport</title>

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</head>

<body>

<div id="main">

    <h1 class="page-title">Class: Viewport</h1>

    
<section>

<header>
    
        <h2><span class="attribs"><span class="type-signature"></span></span>Viewport<span class="signature">()</span><span class="type-signature"></span></h2>
        
    
</header>

<article>
    <div class="container-overview">
    
        
    <h4 class="name" id="Viewport"><span class="type-signature"></span>new Viewport<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Used to indicate how the user views the content inside of the canvas.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Viewport.js.html">Viewport.js</a>, <a href="Viewport.js.html#line13">line 13</a>
    </li></ul></dd>
    

</dl>


    </div>

    
        <h3 class="subsection-title">Members</h3>

        
<h4 class="name" id="inverseMatrix"><span class="type-signature"></span>inverseMatrix<span class="type-signature"></span></h4>


<div class="description">
    Inverse of the local transformation matrix.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Viewport.js.html">Viewport.js</a>, <a href="Viewport.js.html#line43">line 43</a>
    </li></ul></dd>
    

</dl>


<h4 class="name" id="matrix"><span class="type-signature"></span>matrix<span class="type-signature"></span></h4>


<div class="description">
    Local transformation matrix applied to the object.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Viewport.js.html">Viewport.js</a>, <a href="Viewport.js.html#line38">line 38</a>
    </li></ul></dd>
    

</dl>


<h4 class="name" id="matrixNeedsUpdate"><span class="type-signature"></span>matrixNeedsUpdate<span class="type-signature"></span></h4>


<div class="description">
    If true the matrix is updated before rendering the object.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Viewport.js.html">Viewport.js</a>, <a href="Viewport.js.html#line48">line 48</a>
    </li></ul></dd>
    

</dl>


<h4 class="name" id="moveOnScale"><span class="type-signature"></span>moveOnScale<span class="type-signature"></span></h4>


<div class="description">
    Flag to indicate if the viewport should move when scalling.

For some application its easier to focus the target if the viewport moves to the pointer location while scalling.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Viewport.js.html">Viewport.js</a>, <a href="Viewport.js.html#line55">line 55</a>
    </li></ul></dd>
    

</dl>


<h4 class="name" id="position"><span class="type-signature"></span>position<span class="type-signature"></span></h4>


<div class="description">
    Position of the object.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Viewport.js.html">Viewport.js</a>, <a href="Viewport.js.html#line23">line 23</a>
    </li></ul></dd>
    

</dl>


<h4 class="name" id="rotation"><span class="type-signature"></span>rotation<span class="type-signature"></span></h4>


<div class="description">
    Rotation of the object relative to its center.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Viewport.js.html">Viewport.js</a>, <a href="Viewport.js.html#line33">line 33</a>
    </li></ul></dd>
    

</dl>


<h4 class="name" id="scale"><span class="type-signature"></span>scale<span class="type-signature"></span></h4>


<div class="description">
    Scale of the object.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Viewport.js.html">Viewport.js</a>, <a href="Viewport.js.html#line28">line 28</a>
    </li></ul></dd>
    

</dl>


<h4 class="name" id="uuid"><span class="type-signature"></span>uuid<span class="type-signature"></span></h4>


<div class="description">
    UUID of the object.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Viewport.js.html">Viewport.js</a>, <a href="Viewport.js.html#line18">line 18</a>
    </li></ul></dd>
    

</dl>


        <h3 class="subsection-title">Methods</h3>

        
    <h4 class="name" id="updateControls"><span class="type-signature"></span>updateControls<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Update the viewport controls using the pointer object.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Viewport.js.html">Viewport.js</a>, <a href="Viewport.js.html#line61">line 61</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="updateMatrix"><span class="type-signature"></span>updateMatrix<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Calculate and update the viewport transformation matrix.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="Viewport.js.html">Viewport.js</a>, <a href="Viewport.js.html#line88">line 88</a>
    </li></ul></dd>
    

</dl>


</article>

</section>


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    <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="EventManager.html">EventManager</a></li><li><a href="Object2D.html">Object2D</a></li><li><a href="Renderer.html">Renderer</a></li><li><a href="Viewport.html">Viewport</a></li></ul>
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