1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
use std::sync::Arc;
use crate::hittable::{HitRecord, Hittable, AABB};
use crate::ray::Ray;
pub struct HittableList {
pub objects: Vec<Arc<dyn Hittable>>,
}
impl HittableList {
pub fn new() -> HittableList {
HittableList {
objects: Vec::new(),
}
}
pub fn clear(&mut self) {
self.objects.clear();
}
pub fn add(&mut self, object: Arc<dyn Hittable>) {
self.objects.push(object);
}
}
impl Hittable for HittableList {
fn hit(&self, ray: &Ray, t_min: f64, t_max: f64) -> Option<HitRecord> {
let mut record = None;
let mut closest_so_far = t_max;
for object in &self.objects {
let temp_rec = object.hit(ray, t_min, closest_so_far);
if let Some(hit_record) = &temp_rec {
closest_so_far = hit_record.t;
record = temp_rec;
}
}
record
}
fn bounding_box(&self, time_start: f64, time_end: f64) -> Option<AABB> {
let mut output_box: Option<AABB> = None;
for object in &self.objects {
let temp_box = object.bounding_box(time_start, time_end)?;
output_box = match output_box {
Some(aabb) => Some(aabb.surrounding_box(&temp_box)),
None => Some(temp_box.clone()),
};
}
output_box
}
}
|