194 lines
8.5 KiB
HTML
194 lines
8.5 KiB
HTML
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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
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<tr class="name-row">
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<th scope="row">Name</th>
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<td><h3>scale()</h3></td>
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</tr>
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<tr class="">
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<tr class=""><th scope="row">Examples</th><td><div class="example"><img src="images/scale_0.png" alt="example pic" /><pre class="margin">
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rect(30, 20, 50, 50);
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scale(0.5);
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rect(30, 20, 50, 50);
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</pre></div>
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<div class="example"><img src="images/scale_1.png" alt="example pic" /><pre class="margin">
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rect(30, 20, 50, 50);
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scale(0.5, 1.3);
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rect(30, 20, 50, 50);
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</pre></div>
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<div class="example"><img src="images/scale_2.png" alt="example pic" /><pre class="margin">
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// Scaling in 3D requires P3D
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// as a parameter to size()
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size(100, 100, P3D);
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noFill();
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translate(width/2+12, height/2);
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box(20, 20, 20);
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scale(2.5, 2.5, 2.5);
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box(20, 20, 20);
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</pre></div>
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</td></tr>
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<tr class="">
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<th scope="row">Description</th>
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<td>
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Increases or decreases the size of a shape by expanding and contracting vertices. Objects always scale from their relative origin to the coordinate system. Scale values are specified as decimal percentages. For example, the function call <b>scale(2.0)</b> increases the dimension of a shape by 200%.<br />
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<br />
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Transformations apply to everything that happens after and subsequent calls to the function multiply the effect. For example, calling <b>scale(2.0)</b> and then <b>scale(1.5)</b> is the same as <b>scale(3.0)</b>. If <b>scale()</b> is called within <b>draw()</b>, the transformation is reset when the loop begins again. Using this function with the <b>z</b> parameter requires using P3D as a parameter for <b>size()</b>, as shown in the third example above. This function can be further controlled with <b>pushMatrix()</b> and <b>popMatrix()</b>.
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</td>
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</tr>
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<tr class=""><th scope="row">Syntax</th><td><pre>scale(<kbd>s</kbd>)
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scale(<kbd>x</kbd>, <kbd>y</kbd>)
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scale(<kbd>x</kbd>, <kbd>y</kbd>, <kbd>z</kbd>)</pre></td></tr>
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<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
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<th scope="row" class="code">s</th>
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<td>float: percentage to scale the object</td>
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</tr>
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<tr class="">
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<th scope="row" class="code">x</th>
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<td>float: percentage to scale the object in the x-axis</td>
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</tr>
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<tr class="">
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<th scope="row" class="code">y</th>
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<td>float: percentage to scale the object in the y-axis</td>
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</tr>
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<tr class="">
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<th scope="row" class="code">z</th>
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<td>float: percentage to scale the object in the z-axis</td>
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</tr></table></td> </tr>
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<tr class=""><th scope="row">Returns</th><td class="code">void</td></tr>
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<tr class=""><th scope="row">Related</th><td><a class="code" href="pushMatrix_.html">pushMatrix()</a><br />
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<a class="code" href="popMatrix_.html">popMatrix()</a><br />
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<a class="code" href="translate_.html">translate()</a><br />
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<a class="code" href="rotate_.html">rotate()</a><br />
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<a class="code" href="rotateX_.html">rotateX()</a><br />
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<a class="code" href="rotateY_.html">rotateY()</a><br />
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<a class="code" href="rotateZ_.html">rotateZ()</a><br /></td></tr>
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</table>
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Updated on April 30, 2017 02:33:18pm EDT<br /><br />
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