calculating vector with specific angle against another vector 2004-03-22 - By Lucas Meijer
Back
Roman Bl?th wrote:
> Hi folks,
>
>
> alas, vector-math is the matter:
>
> I've got a normal vector : vector(0, 1, 0)
> I've got an angle (degrees): 25.0 degrees
>
> What I'm missing is the vector in the x/y-plane that has the angle X
> against the normal vector. Someone can show me how to achieve this?
There are two:
vVector = vector(0,1,0)
t=transform()
t.rotate(0,0,25) -- rotate around z, as vector(0,0,1) is the normal
of the x/y plane you mentioned.
vAnswer1 = t*vVector
t=transform()
t.rotate(0,0,-25)
vAnswer2 = t*vVector
Bye, Lucas
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