use crate::vec3::Vec3;

pub struct Ray {
    origin: Vec3,
    dir: Vec3,
}

impl Ray {
    pub fn new(origin: Vec3, dir: Vec3) -> Self {
        Self {
            origin: origin,
            dir: dir,
        }
    }

    pub fn at(&self, t: f32) -> Vec3 {
        self.origin + t * self.dir
    }

    pub fn origin(&self) -> &Vec3 {
        &self.origin
    }

    pub fn dir(&self) -> &Vec3 {
        &self.dir
    }
}