I have 2 vectors
vx1 = 10
vy1 = 0
vz1 = 0
vx2 = 20
vy2 = 0
vz2 = -10
Like so ....
(1)
------v1
/ \
/ \
/ \
v3 v2
(2) Needs to work for this also
-----v1--------v2
!
!
v3
What I need is to find the normal vector between the two points v3. How do I do this again ?