Vec3

normalize: normalizes the vector to a length of 1
dot: calculates the dot product of 2 vectors
cross: calculates the cross product of 2 vectors

The Vec3 class represents a vector in $\mathbb{R}^3$.

A 3D vector consists of 3 components: $x$, $y$ and $z$.

Custom functions

> v1 = Vec3(1, 2, 3)
> v2 = v1.normalize()
> v2
Vec3(0.2672612419124244, 0.5345224838248488, 0.8017837257372732)
> v2.norm()
1.0