# bbox
#### overlap(box1, box2)



#### fromcwh(c, wh)



#### frompoints(points)



#### topoints(bb)



#### tocwh(bb)



#### towh(bb)



#### pointin(bb, p)



#### move(bb, pos)



#### expand(oldbb, x)



#### blwh(bl,wh)

Bounding box from (bottom left, width height)

#### fromobjs(objs)