Removed pixels

Finished raytracer
Reimplementing imgui

src/scene.rs

@@ -2,12 +2,38 @@ use crate::camera::Camera;
 use crate::light::Light;
 use crate::primitive::Primitive;
 use nalgebra::Vector3;
+use std::sync::Arc;
 
-pub struct Scene<'a> {
-    pub primitives: Vec<Box<dyn Primitive<'a>>>,
-    pub lights: Vec<Light>,
-    pub cameras: Vec<Camera>,
-    pub ambient_light: Vector3<f32>,
+pub struct Scene {
+    pub primitives: Vec<Arc<dyn Primitive>>,
+    pub lights: Vec<Arc<Light>>,
+    pub cameras: Vec<Arc<Camera>>,
+    pub ambient_light: Arc<Vector3<f32>>,
 }
 
-impl<'a> Scene<'a> {}
+impl Scene {
+    // Creates a new Scene with given parameters
+    pub fn new(
+        primitives: Vec<Arc<dyn Primitive>>,
+        lights: Vec<Arc<Light>>,
+        cameras: Vec<Arc<Camera>>,
+        ambient_light: Arc<Vector3<f32>>,
+    ) -> Self {
+        Scene {
+            primitives,
+            lights,
+            cameras,
+            ambient_light,
+        }
+    }
+
+    // Creates an empty Scene with default values
+    pub fn empty() -> Self {
+        Scene {
+            primitives: Vec::new(),
+            lights: Vec::new(),
+            cameras: Vec::new(),
+            ambient_light: Arc::new(Vector3::new(0.0, 0.0, 0.0)),
+        }
+    }
+}