refactor: scene/raytracer/camera logic

src/scenes/scene.rs

@@ -38,6 +38,22 @@ impl Scene {
             max_depth,
         }
     }
+
+    pub fn get_camera(&self) -> &Camera {
+        &self.camera
+    }
+
+    pub fn get_image_width(&self) -> f32 {
+        self.image_width as f32
+    }
+
+    pub fn get_image_height(&self) -> f32 {
+        self.image_height as f32
+    }
+
+    pub fn init(&mut self) {
+        self.camera.init(self.get_image_width(), self.get_image_height());
+    }
 }
 
 #[derive(Deserialize)]