dotProductIndexIndexXYAndZ Method
Return the dot product of the vectors from the point at origin to the point at indexA and to targetB.
dotProductIndexIndexXYAndZ(origin: number, indexA: number, targetB: Readonly<WritableXYAndZ>): undefined | number
| 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 |
| targetB | Readonly<WritableXYAndZ> | target for second vector |
Returns - undefined | number
undefined if index is out of bounds
Defined in
- geometry3d/IndexedXYZCollection.ts Line 120
Last Updated: 20 June, 2023