Kaba class Random ed

class Random

    # constructors
    func mut __init__()

    # functions
    func mut dir() -> vec3
    func mut in_ball(r: f32) -> vec3
    func mut int(max: i32) -> i32
    func mut normal(mean: f32, stddev: f32) -> f32
    func mut seed(str: string)
    func mut uniform(min: f32, max: f32) -> f32
    func mut uniform01() -> f32

    # operators
    func mut __assign__(o: Random)       # Random = Random