mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-25 20:33:50 +01:00
65 lines
2.0 KiB
HTML
65 lines
2.0 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<script src="../../../list.js"></script>
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<script src="../../../page.js"></script>
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<link type="text/css" rel="stylesheet" href="../../../page.css" />
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</head>
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<body>
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<h1>[name]</h1>
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<div class="desc">An extensible curve object which contains methods for interpolation.</div>
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<h2>Examples</h2>
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<h3>[example:webgl_geometry_extrude_splines geometry / extrude / splines ]
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<h2>Constructor</h2>
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<h3>[name]()</h3>
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<div>
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This constructor creates a new [name].
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</div>
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<h2>Methods</h2>
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<h3>[method:Vector getPoint]( t )</h3>
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<div>Returns a vector for point t of the curve where t is between 0 and 1</div>
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<h3>[method:Vector getPointAt]( u )</h3>
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<div>Returns a vector for point at relative position in curve according to arc length</div>
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<h3>[method:Array getPoints]( divisions )</h3>
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<div>Get sequence of points using getPoint( t ) </div>
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<h3>[method:Array getSpacedPoints]( divisions )</h3>
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<div>Get sequence of equi-spaced points using getPointAt( u )</div>
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<h3>[method:Float getLength]()</h3>
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<div>Get total curve arc length</div>
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<h3>[method:Array getLengths]( divisions )</h3>
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<div>Get list of cumulative segment lengths</div>
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<h3>[method:null updateArcLengths]()</h3>
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<div>Update the cumlative segment distance cache</div>
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<h3>[method:Float getUtoTmapping]( u, distance )</h3>
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<div>Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant</div>
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<h3>[method:Vector getTangent]( t )</h3>
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<div>Returns a unit vector tangent at t. If the subclassed curve do not implement its tangent derivation, 2 points a small delta apart will be used to find its gradient which seems to give a reasonable approximation</div>
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<h3>[method:Vector getTangentAt]( u )</h3>
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<div>Returns tangent at equidistant point u on the curve</div>
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<h2>Source</h2>
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[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
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</body>
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</html>
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