Initial commit

hittableList.h

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+#ifndef HITTABLE_LIST_H
+#define HITTABLE_LIST_H
+
+#include "hittable.h"
+#include "rayTracer.h"
+#include <vector>
+
+class hittableList : public hittable {
+    public: 
+        std::vector<shared_ptr<hittable>> objects;
+
+        hittableList() {}
+        hittableList(shared_ptr<hittable> object) {
+            add(object);
+        }
+
+        void clear() {
+            objects.clear();
+        }
+
+        void add(shared_ptr<hittable> object) {
+            objects.push_back(object);
+        }
+
+        bool hit (const ray& r, interval rayT, hitRecord& rec) const override {
+            hitRecord temporaryRec;
+            bool hitAnything = false;
+
+            auto closestSoFar = rayT.max;
+
+            for (const auto& object : objects) {
+               if (object->hit(r, interval(rayT.min, closestSoFar), temporaryRec)) {
+                    hitAnything = true;
+                    closestSoFar = temporaryRec.t;
+                    rec = temporaryRec;
+                }
+            }
+
+            return hitAnything;
+        }
+};
+
+#endif