From 7ee9e31e40353daa24d0a7ef325acc9878095325 Mon Sep 17 00:00:00 2001
From: Nat Lasseter <user@4574.co.uk>
Date: Wed, 3 Jul 2024 11:20:22 +0100
Subject: Refactor Hittables type

---
 hittable.go | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

(limited to 'hittable.go')

diff --git a/hittable.go b/hittable.go
index 73e2e3c..b31b205 100644
--- a/hittable.go
+++ b/hittable.go
@@ -69,18 +69,16 @@ func (s Sphere) Hit(r Ray, ray_t Interval) (rec HitRecord) {
 
 //Hittables < Hittable
 
-type Hittables struct {
-  Objects []Hittable
-}
+type Hittables []Hittable
 
-func (l *Hittables) Add(o Hittable) {
-  l.Objects = append(l.Objects, o);
+func (l Hittables) Add(o Hittable) Hittables {
+  return append(l, o);
 }
 
 func (l Hittables) Hit(r Ray, ray_t Interval) (rec HitRecord) {
   closest_so_far := ray_t.Max;
 
-  for _, o := range l.Objects {
+  for _, o := range l {
     temp_rec := o.Hit(r, Interval{ray_t.Min, closest_so_far});
     if temp_rec.Valid {
       rec = temp_rec;
-- 
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