167 lines
6.8 KiB
HTML
167 lines
6.8 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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<th scope="row">Name</th>
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<td><h3>constrain()</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"><pre >
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void draw()
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{
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background(204);
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float mx = constrain(mouseX, 30, 70);
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rect(mx-10, 40, 20, 20);
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}
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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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Constrains a value to not exceed a maximum and minimum value.
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</td>
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</tr>
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<tr class=""><th scope="row">Syntax</th><td><pre>constrain(<kbd>amt</kbd>, <kbd>low</kbd>, <kbd>high</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">amt</th>
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<td>int, or float: the value to constrain</td>
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</tr>
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<tr class="">
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<th scope="row" class="code">low</th>
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<td>int, or float: minimum limit</td>
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</tr>
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<tr class="">
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<th scope="row" class="code">high</th>
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<td>int, or float: maximum limit</td>
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</tr></table></td> </tr>
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<tr class=""><th scope="row">Returns</th><td class="code">float or int</td></tr>
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<tr class=""><th scope="row">Related</th><td><a class="code" href="max_.html">max()</a><br />
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<a class="code" href="min_.html">min()</a><br /></td></tr>
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</table>
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Updated on April 30, 2017 02:33:16pm EDT<br /><br />
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