API Reference > geometry-core > CartesianGeometry > Point2d > forwardLeftInterpolate forwardLeftInterpolate Method Interpolate at tangentFraction between this instance and point. Move by leftFraction along the xy perpendicular of the vector between the points. forwardLeftInterpolate(tangentFraction: number, leftFraction: number, point: XAndY): Point2d Parameter Type Description tangentFraction number leftFraction number point XAndY Returns - Point2d Defined in core/geometry/src/geometry3d/Point2dVector2d.ts Line 166 Last Updated: 13 June, 2024