Function union

union(out: box3.Box3, boxA: box3.Box3, boxB: box3.Box3): box3.Box3
Computes the union of two bounding boxes Returns a Box3 that encompasses both input boxes
Parameters
- out: box3.Box3
  The output Box3
- boxA: box3.Box3
  The first Box3
- boxB: box3.Box3
  The second Box3
Returns box3.Box3
The union Box3
- Defined in shapes/box3.ts:249