adding camera params

src/scene/Scene.cpp

@@ -1,9 +1,22 @@
 #include "Scene.h"
 
-Scene::Scene()
-    : window(1920, 1080)
+Scene::Scene(glm::vec3 cameraPos, glm::vec3 cameraDirection) : cameraPos(cameraPos), cameraDirection(cameraDirection) {}
+
+Scene::~Scene() {}
+
+void Scene::render(int width, int height, int numSamples)
+{
+    image.clear();
+    accumulator.clear();
+    image.resize(width * height * 3);
+    accumulator.resize(width * height * 3);
+    for (int samp = 0; samp < numSamples; ++samp)
+    {
+        for (int w = 0; w < width; ++w)
+        {
+            for (int h = 0; h < height; ++h)
             {
-
             }
-
-void Scene::render() {}
+        }
+    }
+}

src/scene/Scene.h

@@ -1,15 +1,18 @@
 #pragma once
 #include "BVH.h"
 #include "window/Window.h"
+#include "util/Camera.h"
 
 class Scene
 {
   public:
     Scene();
     ~Scene();
-    void render();
+    void render(Camera cam, int width, int height, int numSamples);
   private:
-    Window window;
+    // the thing being displayed
     std::vector<unsigned char> image;
+    // radiance accumulator
+    std::vector<unsigned char> accumulator;
     BVH bvh;
 };

src/util/CMakeLists.txt

@@ -1,5 +1,6 @@
 target_sources(RayTracer
 	PRIVATE
+		Camera.h
 		Model.h
 		Model.cpp
 		ModelLoader.h

src/util/Camera.h

@@ -0,0 +1,11 @@
+#pragma once
+#include <glm/glm.hpp>
+
+struct Camera
+{
+    glm::vec3 position;
+    glm::vec3 direction;
+    glm::vec2 sensorSize = glm::vec2(0.036, 0.024);
+    float S_O = 6.9;
+    float f = 0.7;
+};