Vector Math Review

Vectors have magnitude and direction <x,y,z>
Magnitude
- ||A|| = sqrt(Ax^2 + Ay^2 + Az^2)
Normalized vector is a unit vector
- A^ = 1/||A|| * <Ax, Ay, Az>
Dot product
- A.B = ||B||*||A||*cosθ = AxBx + AyBy + AzBz
Cross product
- AxB