API Reference › core-geometry› ArraysAndInterfaces › IndexedXYZCollection › DotProductIndexIndexIndex

dotProductIndexIndexIndex Method

Return the dot product of the vectors from the point at origin to the points at indexA and indexB.

dotProductIndexIndexIndex(origin: number, indexA: number, indexB: number): undefined | number

@returns undefined if index is out of bounds.

Parameter Type Description
origin number index of point within the array; origin of both vectors.
indexA number index of point within the array; target of the first vector.
indexB number index of point within the array; target of the second vector.

Returns - undefined | number

undefined if index is out of bounds.

Defined in

Last Updated: 16 October, 2025