Added appropriate delete statements.

src/dawn/scene/Scene.cpp

@@ -9,6 +9,8 @@
 using namespace Dawn;
 
 Scene::Scene(DawnGame *game) {
+  assertNotNull(game);
+  
   this->game = game;
   this->nextId = 0;
 }
@@ -38,5 +40,15 @@ SceneItem * Scene::createSceneItem() {
 }
 
 Scene::~Scene() {
-  
+  auto it = this->items.begin();
+  while(it != this->items.end()) {
+    delete it->second;
+    ++it;
+  }
+
+  auto it2 = this->itemsNotInitialized.begin();
+  while(it2 != this->itemsNotInitialized.end()) {
+    delete it2->second;
+    ++it2;
+  }
 }

src/dawn/scene/SceneItem.cpp

@@ -9,6 +9,8 @@
 using namespace Dawn;
 
 SceneItem::SceneItem(Scene *scene, sceneitemid_t id)  : transform(this) {
+  assertNotNull(scene);
+  
   this->id = id;
   this->scene = scene;
 }
@@ -53,5 +55,9 @@ void SceneItem::init() {
 }
 
 SceneItem::~SceneItem() {
-  std::cout << "Scene item disposed" << std::endl;
+  auto it = this->components.begin();
+  while(it != this->components.end()) {
+    delete *it;
+    ++it;
+  }
 }

src/dawn/scene/components/ui/UICanvas.cpp

@@ -45,6 +45,12 @@ void UICanvas::onBackBufferResize(
 }
 
 UICanvas::~UICanvas() {
+  auto it = this->children.begin();
+  while(it != this->children.end()) {
+    delete *it;
+    ++it;
+  }
+
   this->getGame()->renderManager.getBackBuffer()->eventRenderTargetResized
     .removeListener(this, &UICanvas::onBackBufferResize)
   ;