hittable_list.pi

use raytracepl::hittable::*;
use raytracepl::vec3::Vec3;
use raytracepl::utils::*;
use raytracepl::color;
use raytracepl::ray::Ray;
use std::cols::arr;
use raytracepl::interval::Interval;
use raytracepl::sphere::Sphere;


pub struct HittableList {
    pub objects:arr::Array<Sphere>;
}

pub fn new() HittableList {
    return HittableList {
        objects: arr::new<Sphere>(),
    };
}


impl HittableList {
    pub fn add(obj:Sphere) void {
        // gc_register(unsafe_cast<u8>(&obj));
        self.objects.push(obj);
        return;
    }
    pub fn clear() void {
        self.objects = arr::new<Sphere>();
        return;
    }
}

fn start_nano() u64;

fn record_eplased(start:u64);
impl Hittable for HittableList {
    fn hit(r:Ray, t:Interval, rec:* HitRecord) bool {
        // let start = start_nano();
        let {min: t_min, max:t_max} = t;
        let temp_rec = &HitRecord{};
        let hit_anything = false;
        let closest_so_far = t_max;
        let interval;
        for let i = 0; i < self.objects.length() as i64; i = i + 1 {
            let object = self.objects.get(i);
            interval = Interval{min: t_min, max: closest_so_far};
            if object.hit(r, interval, temp_rec) {
                hit_anything = true;
                closest_so_far = temp_rec.t;
                *rec = *temp_rec;
            }
            // gc::DioGC__safepoint(asm_sp());
        }
        return hit_anything;
    }
}