187 lines
7.5 KiB
Groff
187 lines
7.5 KiB
Groff
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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>bezierPoint()</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="bezierPoint_.gif" alt="example pic" /><pre class="margin">noFill();
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bezier(85, 20, 10, 10, 90, 90, 15, 80);
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fill(255);
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int steps = 10;
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for (int i = 0; i <= steps; i++) {
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float t = i / float(steps);
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float x = bezierPoint(85, 10, 90, 15, t);
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float y = bezierPoint(20, 10, 90, 80, t);
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ellipse(x, y, 5, 5);
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}</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>
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<p> Evaluates the Bezier at point t for points a, b, c, d. The parameter t varies between 0 and 1, a and d are points on the curve, and b and c are the control points.
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This can be done once with the x coordinates and a second time with the y coordinates to get the location of a bezier curve at t.</p></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>bezierPoint(<kbd>a</kbd>,<kbd>b</kbd>,<kbd>c</kbd>,<kbd>d</kbd>,<kbd>t</kbd>)</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">a</th>
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<td>int or float: coordinate of first point on the curve</td>
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</tr>
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<tr class="">
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<th scope="row">b</th>
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<td>int or float: coordinate of first control point</td>
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</tr>
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<tr class="">
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<th scope="row">c</th>
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<td>int or float: coordinate of second control point</td>
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</tr>
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<tr class="">
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<th scope="row">d</th>
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<td>int or float: coordinate of second point on the curve</td>
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</tr>
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<tr class="">
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<th scope="row">t</th>
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<td>float: value between 0 and 1</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">Returns</th>
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<td>None</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>Web & Application</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="bezier_.1">bezier()</a><br />
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<a href="bezierVertex_.1">bezierVertex()</a><br />
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<a href="curvePoint_.1">curvePoint()</a></td>
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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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