File: VivianiCurve.md | Updated: 11/15/2025
A Viviani curve.
VivianiCurve is an addon, and must be imported explicitly, see Installation#Addons.
import { VivianiCurve } from 'three/addons/curves/CurveExtras.js';
Constructs a new Viviani curve.
scale | The curve's scale. Default is 70.
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The curve's scale.
Default is 70.
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.