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pub mod sphere;
use crate::ray::Ray;
use crate::vec3::Vec3;
pub struct HitRecord {
pub point: Vec3,
pub normal: Vec3,
pub t: f64,
pub front_face: bool,
pub color: Vec3,
}
impl HitRecord {
fn new(point: Vec3, t: f64, color: Vec3) -> Self {
Self {
point,
normal: Vec3::default(),
t,
front_face: true,
color,
}
}
fn set_face_normal(&mut self, ray: &Ray, outward_normal: Vec3) {
self.front_face = ray.direction().dot(&outward_normal) < 0.0;
self.normal = if self.front_face {
outward_normal
} else {
-outward_normal
};
}
}
impl Default for HitRecord {
fn default() -> Self {
HitRecord {
point: Vec3::default(),
normal: Vec3::default(),
t: 0.0,
front_face: true,
color: Vec3::default(),
}
}
}
pub trait Hittable {
//pub trait Hittable {
fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord>;
// Manual ugly clone since forcing on Clone would make it a super trait.
// Clone requires Sized and super traits cannot be Sized.
fn clone_box(&self) -> Box<dyn Hittable>;
}
|
