Refactor Hittables typeHEADmain

1 files changed, 4 insertions, 6 deletions

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;