Improved failure handling

Removed some warning causing code

src/headers/camera/camera.cpp

@@ -13,26 +13,12 @@ void camera::show_img() {
 
     float scalar = float(window_width) / img_width;
 
-    /*int index = 1;*/
-    /**/
-    /*for (auto pixel : pixel_grid) {*/
-    /*    int x = (index - 1) % img_width;*/
-    /*    int y = (index - 1) / img_width;*/
-    /*    i_image.setPixel(x, y, pixel);*/
-    /**/
-    /*    index++;*/
-    /*}*/
-
     sf::Texture t_image;
     t_image.loadFromImage(i_image);
 
     sf::Sprite s_image(t_image);
     s_image.setScale(sf::Vector2f(scalar, scalar));
 
-    // optionally save the image
-    if (this->img_gen == true)
-        i_image.saveToFile("rendered_img.png");
-
     while (window.isOpen()){
         sf::Event event;
 
@@ -79,6 +65,10 @@ void camera::render(const hittable& world) {
         index++;
     }
 
+    // optionally save the image
+    if (this->img_gen == true)
+        i_image.saveToFile("rendered_img.png");
+
     std::clog << "done\n";
 
    this->show_img();

src/headers/sphere/sphere.hpp

@@ -14,7 +14,7 @@ class sphere : public hittable {
         {}
 
 
-    bool sphere::hit(const ray& r, interval ray_t, hit_record& rec) const override {
+    bool hit(const ray& r, interval ray_t, hit_record& rec) const override {
         vec3 oc = center - r.origin();
         auto a = r.direction().length_squared();
         auto h = dot(r.direction(), oc);

src/main.cpp

@@ -57,7 +57,7 @@ int main () {
 
     cam.aspect_ratio      = 16.0 / 9.0;
     cam.img_width = 1024;
-    cam.samples_per_pixel = 50;
+    cam.samples_per_pixel = 200;
     cam.max_depth         = 50;
     cam.img_gen = true;