paper.js/dist/docs/classes/Key.html
2011-08-01 12:05:06 +01:00

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<title>Key</title>
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<h1>Key</h1>
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<div class="reference-members"><h2>Static Methods</h2>
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<a name="isdown-key" href="#" onClick="return toggleMember('isdown-key', false);"><tt><b>Key.isDown</b>(key)</tt></a>
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<a href="#" onClick="return toggleMember('isdown-key', false);"><tt><b>Key.isDown</b>(key)</tt></a>
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<p>Checks whether the specified key is pressed.</p>
<ul><b>Parameters:</b>
<li>
<tt>key:</tt>
<tt>String</tt>
&mdash;&nbsp;One of: 'backspace', 'enter', 'shift', 'control',
'option', 'pause', 'caps-lock', 'escape', 'space', 'end', 'home',
'left', 'up', 'right', 'down', 'delete', 'command'
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<ul><b>Returns:</b>
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<tt><tt>Boolean</tt></tt>&nbsp;&mdash;&nbsp;<tt>true</tt> if the key is pressed, <tt>false</tt> otherwise
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<p>
<b>Example</b> &mdash; Whenever the user clicks, create a circle shaped path. If the 'a' key is pressed, fill it with red, otherwise fill it with blue:
</p>
<pre class="code">function onMouseDown(event) {
var path = new Path.Circle(event.point, 10);
if(Key.isDown('a')) {
path.fillColor = 'red';
} else {
path.fillColor = 'blue';
}
}</pre>
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