40 lines
926 B
Rust
40 lines
926 B
Rust
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use super::Hittable;
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use super::Ray;
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use super::HitRecord;
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pub struct HittableList {
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objects: Vec<Box<dyn Hittable>>,
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}
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impl HittableList {
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pub fn new()-> Self {
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HittableList {
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objects: Vec::<Box<dyn Hittable>>::new()
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}
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}
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pub fn clear(&mut self) {
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self.objects.clear();
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}
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pub fn add(&mut self, obj: Box<dyn Hittable>) {
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self.objects.push(obj);
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}
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pub fn hit(&self, r: &Ray, t_min: f64, t_max: f64, rec: &mut HitRecord) -> bool {
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let mut hit_anything = false;
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let mut closest_so_far = t_max;
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for obj in &self.objects {
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let mut temp_rec = HitRecord::empty();
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if obj.hit(&r, t_min, closest_so_far, &mut temp_rec) {
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hit_anything = true;
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closest_so_far = temp_rec.t;
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*rec = temp_rec;
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}
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}
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return hit_anything;
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}
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}
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