raytracing/in_one_weekend/src/ray.zig

const Vec3 = @import("vec3.zig").Vec3;
const Point3 = @import("vec3.zig").Point3;

pub const Ray = struct {
    origin: Point3,
    direction: Vec3,

    pub fn at(self: Ray, t: f32) Point3 {
        return self.origin.add(self.direction.mul_s(t));
    }
};