📄 threejs/Addons/Curves/KnotCurve

File: KnotCurve.md | Updated: 11/15/2025


title: KnotCurve category: Addons layout: docs

KnotCurve

A knot curve.

Import

KnotCurve is an addon, and must be imported explicitly, see Installation#Addons.

import { KnotCurve } from 'three/addons/curves/CurveExtras.js';

Constructor

new KnotCurve()

Methods

.getPoint( t : number, optionalTarget : Vector3 ) : Vector3

This method returns a vector in 3D space for the given interpolation factor.

t | A interpolation factor representing a position on the curve. Must be in the range [0,1].
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optionalTarget | The optional target vector the result is written to.

Overrides: Curve#getPoint

Returns: The position on the curve.

Source

examples/jsm/curves/CurveExtras.js