API Reference > geometry-core > ArraysAndInterfaces > Point3dArrayCarrier > accumulateCrossProductIndexIndexIndex accumulateCrossProductIndexIndexIndex Method Compute the cross product of vectors from point at originIndex to points at indexA and indexB, and accumulate it to the result. accumulateCrossProductIndexIndexIndex(originIndex: number, indexA: number, indexB: number, result: Vector3d): void Parameter Type Description originIndex number indexA number index of first target within the array indexB number index of second target within the array result Vector3d caller-allocated vector. Returns - void return true if indexA, indexB both valid Defined in core/geometry/src/geometry3d/Point3dArrayCarrier.ts Line 140 Last Updated: 13 June, 2024