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use crate::core::{Ray, Bound3f, Vector3f};
use crate::world::shapes::{Plane, Rect};
use crate::world::{Instancable, Intersection, Hittable, DynHittable};
use crate::world::container::HittableList;
pub struct BoxShp {
sides: HittableList,
}
impl BoxShp {
pub fn new(size: Vector3f) -> Self {
let mut cont = HittableList::new();
cont.add(Rect::new_with_offset(size.x, size.y, size.z / 2.0, Plane::XY));
cont.add(Rect::new_with_offset(size.x, size.y, -size.z / 2.0, Plane::XY));
cont.add(Rect::new_with_offset(size.x, size.z, size.y / 2.0, Plane::XZ));
cont.add(Rect::new_with_offset(size.x, size.z, -size.y / 2.0, Plane::XZ));
cont.add(Rect::new_with_offset(size.y, size.z, size.x / 2.0, Plane::YZ));
cont.add(Rect::new_with_offset(size.y, size.z, -size.x / 2.0, Plane::YZ));
Self {sides: cont}
}
}
impl Into<DynHittable> for BoxShp {
fn into(self) -> DynHittable {
DynHittable::new(Box::new(self))
}
}
impl Hittable for BoxShp {
fn intersect(&self, ray: &Ray) -> Option<Intersection> {
self.sides.intersect(ray)
}
fn bounding_box(&self) -> Bound3f {
self.sides.bounding_box()
}
}
impl Instancable for BoxShp {}
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