[page:Curve] → [page:EllipseCurve] →

# [name]

Alias for [page:EllipseCurve]

## Properties

See the [page:EllipseCurve] class for common properties.

### [property:Boolean isArcCurve]

Used to check whether this or derived classes are ArcCurves. Default is *true*.
You should not change this, as it used internally for optimisation.

## Source

[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]