<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <script src="../../../list.js"></script> <script src="../../../page.js"></script> <link type="text/css" rel="stylesheet" href="../../../page.css" /> </head> <body> <h1>[name]</h1> <div class="desc">An extensible curve object which contains methods for interpolation.</div> <h2>Examples</h2> <h3>[example:webgl_geometry_extrude_splines geometry / extrude / splines ] <h2>Constructor</h2> <h3>[name]()</h3> <div> This constructor creates a new [name]. </div> <h2>Methods</h2> <h3>[method:Vector getPoint]( t )</h3> <div>Returns a vector for point t of the curve where t is between 0 and 1</div> <h3>[method:Vector getPointAt]( u )</h3> <div>Returns a vector for point at relative position in curve according to arc length</div> <h3>[method:Array getPoints]( divisions )</h3> <div>Get sequence of points using getPoint( t ) </div> <h3>[method:Array getSpacedPoints]( divisions )</h3> <div>Get sequence of equi-spaced points using getPointAt( u )</div> <h3>[method:Float getLength]()</h3> <div>Get total curve arc length</div> <h3>[method:Array getLengths]( divisions )</h3> <div>Get list of cumulative segment lengths</div> <h3>[method:null updateArcLengths]()</h3> <div>Update the cumlative segment distance cache</div> <h3>[method:Float getUtoTmapping]( u, distance )</h3> <div>Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant</div> <h3>[method:Vector getTangent]( t )</h3> <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> <h3>[method:Vector getTangentAt]( u )</h3> <div>Returns tangent at equidistant point u on the curve</div> <h2>Source</h2> [link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js] </body> </html>