252 lines
7.8 KiB
Groff
252 lines
7.8 KiB
Groff
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<span class="tagline">a port of the Processing Visualization Language</span>
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
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<tr class="name-row">
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<th scope="row">Name</th>
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<td><h3>curveVertex()</h3></td>
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</tr>
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<tr class="">
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<th scope="row">Examples</th>
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<td><div class="example"><img src="curveVertex_.gif" alt="example pic" /><pre class="margin">noFill();
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beginShape();
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curveVertex(84, 91);
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curveVertex(84, 91);
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curveVertex(68, 19);
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curveVertex(21, 17);
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curveVertex(32, 100);
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curveVertex(32, 100);
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endShape();</pre></div></td>
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</tr>
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<tr class="">
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<th scope="row">Description</th>
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<td>Specifies vertex coordinates for curves. This function may only be used between <b>beginShape()</b> and <b>endShape()</b> and only when there is no MODE parameter specified to <b>beginShape()</b>. The first and last points in a series of <b>curveVertex()</b> lines will be used to guide the beginning and end of a the curve. A minimum of four points is required to draw a tiny curve between the second and third points. Adding a fifth point with <b>curveVertex()</b> will draw the curve between the second, third, and fourth points. The <b>curveVertex()</b> function is an implementation of Catmull-Rom splines. <span class="warning">Using the 3D version of requires rendering with P3D or OPENGL (see the Environment reference for more information).</span></td>
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</tr>
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<tr class="">
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<th scope="row">Syntax</th>
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<td><pre>curveVertex(<kbd>x</kbd>, <kbd>y</kbd>)
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<span class="warning">curveVertex(<kbd>x</kbd>, <kbd>y</kbd>, <kbd>z</kbd>)</span></pre></td>
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</tr>
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<tr class="">
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<th scope="row">Parameters</th>
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<td><table cellpadding="0" cellspacing="0" border="0">
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<tr class="">
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<th scope="row">x</th>
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<td>The x-coordinate of the vertex, either a float or int</td>
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</tr>
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<tr class="">
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<th scope="row">y</th>
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<td>The y-coordinate of the vertex, either a float or int</td>
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</tr>
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<tr class="warning">
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<th scope="row">z</th>
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<td>The z-coordinate of the vertex, either a float or int</td>
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</tr>
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</table></td>
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</tr>
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<tr class="">
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<th scope="row">Usage</th>
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<td>Application & Web</td>
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</tr>
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<tr class="">
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<th scope="row">Related</th>
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<td><a href="curve_.1">curve()</a><br />
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<a href="beginShape_.1">beginShape()</a><br />
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<a href="endShape_.1">endShape()</a><br />
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<a href="vertex_.1">vertex()</a><br />
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<a href="bezierVertex_.1">bezierVertex()</a><br /></td>
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</tr>
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</table>
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<p>This reference is licensed under the CC BY-NC-SA 2.0 license:</p>
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Processing is an open visualization language developed by
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<a href="http://benfry.com/">Ben Fry</a> & <a href="http://reas.com/">Casey Reas</a>,
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and originally ported to Javascript by
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