6 files changed, 37 insertions, 31 deletions

diff --git a/src/example/components_internal.cpp b/src/example/components_internal.cpp
index f7e395b..7a8a08a 100644
--- a/src/example/components_internal.cpp
+++ b/src/example/components_internal.cpp
@@ -23,17 +23,16 @@ using namespace std;
 int main() {
 	dbg_trace();
 
-	auto & mgr = ComponentManager::get_instance();
+	ComponentManager mgr{};
 
 	auto start_adding = chrono::high_resolution_clock::now();
 
 	GameObject * game_object[OBJ_COUNT];
 
 	for (int i = 0; i < OBJ_COUNT; ++i) {
-		game_object[i] = new GameObject(i, "Name", "Tag", 0);
-
-		game_object[i]->add_component<Sprite>("test");
-		game_object[i]->add_component<Rigidbody>(0, 0, i);
+		GameObject & obj = mgr.new_object("Name", "Tag");
+		obj.add_component<Sprite>("test");
+		obj.add_component<Rigidbody>(0, 0, i);
 	}
 
 	auto stop_adding = chrono::high_resolution_clock::now();
@@ -45,10 +44,6 @@ int main() {
 
 	auto stop_looping = chrono::high_resolution_clock::now();
 
-	for (int i = 0; i < OBJ_COUNT; ++i) {
-		delete game_object[i];
-	}
-
 	auto add_time = chrono::duration_cast<chrono::microseconds>(stop_adding
 																- start_adding);
 	auto loop_time = chrono::duration_cast<chrono::microseconds>(stop_looping
diff --git a/src/example/ecs.cpp b/src/example/ecs.cpp
index e61c398..9a008ea 100644
--- a/src/example/ecs.cpp
+++ b/src/example/ecs.cpp
@@ -9,13 +9,20 @@ using namespace crepe;
 using namespace std;
 
 int main() {
+	ComponentManager mgr{};
+
 	// Create a few GameObjects
 	try {
-		GameObject body(0, "body", "person", Vector2{0, 0}, 0, 1);
-		GameObject right_leg(1, "rightLeg", "person", Vector2{1, 1}, 0, 1);
-		GameObject left_leg(2, "leftLeg", "person", Vector2{1, 1}, 0, 1);
-		GameObject right_foot(3, "rightFoot", "person", Vector2{2, 2}, 0, 1);
-		GameObject left_foot(4, "leftFoot", "person", Vector2{2, 2}, 0, 1);
+		GameObject & body
+			= mgr.new_object("body", "person", Vector2{0, 0}, 0, 1);
+		GameObject & right_leg
+			= mgr.new_object("rightLeg", "person", Vector2{1, 1}, 0, 1);
+		GameObject & left_leg
+			= mgr.new_object("leftLeg", "person", Vector2{1, 1}, 0, 1);
+		GameObject & right_foot
+			= mgr.new_object("rightFoot", "person", Vector2{2, 2}, 0, 1);
+		GameObject & left_foot
+			= mgr.new_object("leftFoot", "person", Vector2{2, 2}, 0, 1);
 
 		// Set the parent of each GameObject
 		right_foot.set_parent(right_leg);
@@ -30,7 +37,6 @@ int main() {
 	}
 
 	// Get the Metadata and Transform components of each GameObject
-	ComponentManager & mgr = ComponentManager::get_instance();
 	vector<reference_wrapper<Metadata>> metadata
 		= mgr.get_components_by_type<Metadata>();
 	vector<reference_wrapper<Transform>> transform
diff --git a/src/example/physics.cpp b/src/example/physics.cpp
index 848f857..2ebf779 100644
--- a/src/example/physics.cpp
+++ b/src/example/physics.cpp
@@ -9,9 +9,11 @@ using namespace crepe;
 using namespace std;
 
 int main(int argc, char * argv[]) {
-	GameObject * game_object;
-	game_object = new GameObject(0, "Name", "Tag", Vector2{0, 0}, 0, 0);
-	game_object->add_component<Rigidbody>(Rigidbody::Data{
+	ComponentManager mgr{};
+
+	GameObject & game_object
+		= mgr.new_object("Name", "Tag", Vector2{0, 0}, 0, 0);
+	game_object.add_component<Rigidbody>(Rigidbody::Data{
 		.mass = 1,
 		.gravity_scale = 1,
 		.body_type = Rigidbody::BodyType::DYNAMIC,
@@ -19,6 +21,5 @@ int main(int argc, char * argv[]) {
 		.use_gravity = true,
 		.bounce = false,
 	});
-	delete game_object;
 	return 0;
 }
diff --git a/src/example/rendering.cpp b/src/example/rendering.cpp
index ae21f9a..74c00e2 100644
--- a/src/example/rendering.cpp
+++ b/src/example/rendering.cpp
@@ -20,9 +20,12 @@ using namespace crepe;
 int main() {
 	dbg_trace();
 
-	auto obj = GameObject(0, "name", "tag", Vector2{0, 0}, 1, 1);
-	auto obj1 = GameObject(1, "name", "tag", Vector2{500, 0}, 1, 0.1);
-	auto obj2 = GameObject(2, "name", "tag", Vector2{800, 0}, 1, 0.1);
+	ComponentManager mgr{};
+	RenderSystem sys{mgr};
+
+	auto & obj = mgr.new_object("name", "tag", Vector2{0, 0}, 1, 1);
+	auto & obj1 = mgr.new_object("name", "tag", Vector2{500, 0}, 1, 0.1);
+	auto & obj2 = mgr.new_object("name", "tag", Vector2{800, 0}, 1, 0.1);
 
 	// Normal adding components
 	{
@@ -34,7 +37,9 @@ int main() {
 	}
 	{
 		Color color(0, 0, 0, 0);
-		obj1.add_component<Sprite>(make_shared<Texture>("../asset/texture/second.png"), color, FlipSettings{true, true});
+		obj1.add_component<Sprite>(
+			make_shared<Texture>("../asset/texture/second.png"), color,
+			FlipSettings{true, true});
 	}
 
 	/*
@@ -45,7 +50,6 @@ int main() {
 	}
 	*/
 
-	auto & sys = crepe::RenderSystem::get_instance();
 	auto start = std::chrono::steady_clock::now();
 	while (std::chrono::steady_clock::now() - start < std::chrono::seconds(5)) {
 		sys.update();
diff --git a/src/example/scene_manager.cpp b/src/example/scene_manager.cpp
index f46dc36..5cd7336 100644
--- a/src/example/scene_manager.cpp
+++ b/src/example/scene_manager.cpp
@@ -34,7 +34,8 @@ public:
 };
 
 int main() {
-	SceneManager & scene_mgr = SceneManager::get_instance();
+	ComponentManager component_mgr{};
+	SceneManager scene_mgr{component_mgr};
 
 	// Add the scenes to the scene manager
 	scene_mgr.add_scene<ConcreteScene1>("scene1");
@@ -45,7 +46,6 @@ int main() {
 	scene_mgr.load_next_scene();
 
 	// Get the Metadata components of each GameObject of Scene1
-	ComponentManager & component_mgr = ComponentManager::get_instance();
 	vector<reference_wrapper<Metadata>> metadata
 		= component_mgr.get_components_by_type<Metadata>();
 
diff --git a/src/example/script.cpp b/src/example/script.cpp
index d1388b5..c82764c 100644
--- a/src/example/script.cpp
+++ b/src/example/script.cpp
@@ -35,15 +35,15 @@ class MyScript : public Script {
 };
 
 int main() {
+	ComponentManager component_manager{};
+	ScriptSystem system{component_manager};
+
 	// Create game object with Transform and BehaviorScript components
-	auto obj = GameObject(0, "name", "tag", Vector2{1.2, 3.4}, 0, 1);
+	auto & obj = component_manager.new_object("name");
 	obj.add_component<BehaviorScript>().set_script<MyScript>();
 
-	// Get ScriptSystem singleton instance (this would normally be done from the
-	// game loop)
-	ScriptSystem sys;
 	// Update all scripts. This should result in MyScript::update being called
-	sys.update();
+	system.update();
 
 	return EXIT_SUCCESS;
 }