API Reference > geometry-core > Numerics > SmallSystem > ray3dXYZUVWClosestApproachUnbounded ray3dXYZUVWClosestApproachUnbounded MethodStatic Return true if lines (a0,a1) to (b0, b1) have closest approach (go by each other) in 3d Return the fractional (not xy) coordinates as x and y parts of a Point2d. ray3dXYZUVWClosestApproachUnbounded(ax: number, ay: number, az: number, au: number, av: number, aw: number, bx: number, by: number, bz: number, bu: number, bv: number, bw: number, result: Vector2d): boolean Parameter Type Description ax number ay number az number au number av number aw number bx number by number bz number bu number bv number bw number result Vector2d point to receive fractional coordinates of intersection. result.x is fraction on line a. result.y is fraction on line b. Returns - boolean Defined in numerics/Polynomials.ts Line 1597 Last Updated: 12 June, 2024