Placed every class into seperate file

15 files changed, 677 insertions, 752 deletions

diff --git a/src/example/AITest.cpp b/src/example/AITest.cpp
deleted file mode 100644
index 93ba500..0000000
--- a/src/example/AITest.cpp
+++ /dev/null
@@ -1,90 +0,0 @@
-#include <crepe/api/AI.h>
-#include <crepe/api/BehaviorScript.h>
-#include <crepe/api/Camera.h>
-#include <crepe/api/Color.h>
-#include <crepe/api/GameObject.h>
-#include <crepe/api/LoopManager.h>
-#include <crepe/api/Rigidbody.h>
-#include <crepe/api/Scene.h>
-#include <crepe/api/Script.h>
-#include <crepe/api/Sprite.h>
-#include <crepe/manager/Mediator.h>
-#include <crepe/types.h>
-
-using namespace crepe;
-using namespace std;
-
-class Script1 : public Script {
-	bool shutdown(const ShutDownEvent & event) {
-		// Very dirty way of shutting down the game
-		throw "ShutDownEvent";
-		return true;
-	}
-
-	bool mousemove(const MouseMoveEvent & event) {
-		/*RefVector<AI> aivec = this->get_components<AI>();
-		AI & ai = aivec.front().get();
-		ai.flee_target
-			= vec2{static_cast<float>(event.mouse_x), static_cast<float>(event.mouse_y)};*/
-		return true;
-	}
-
-	void init() {
-		subscribe<ShutDownEvent>(
-			[this](const ShutDownEvent & ev) -> bool { return this->shutdown(ev); });
-		subscribe<MouseMoveEvent>(
-			[this](const MouseMoveEvent & ev) -> bool { return this->mousemove(ev); });
-	}
-};
-
-class Scene1 : public Scene {
-public:
-	void load_scene() override {
-		Mediator & mediator = this->mediator;
-		ComponentManager & mgr = mediator.component_manager;
-
-		GameObject game_object1 = mgr.new_object("", "", vec2{0, 0}, 0, 1);
-		GameObject game_object2 = mgr.new_object("", "", vec2{0, 0}, 0, 1);
-
-		Asset img{"asset/texture/test_ap43.png"};
-
-		Sprite & test_sprite = game_object1.add_component<Sprite>(
-			img, Sprite::Data{
-					 .color = Color::MAGENTA,
-					 .flip = Sprite::FlipSettings{false, false},
-					 .sorting_in_layer = 2,
-					 .order_in_layer = 2,
-					 .size = {0, 100},
-					 .angle_offset = 0,
-					 .position_offset = {0, 0},
-				 });
-
-		AI & ai = game_object1.add_component<AI>(3000);
-		// ai.arrive_on();
-		// ai.flee_on();
-		ai.path_follow_on();
-		ai.make_oval_path(500, 1000, {0, -1000}, 1.5708, true);
-		ai.make_oval_path(1000, 500, {0, 500}, 4.7124, false);
-		game_object1.add_component<Rigidbody>(Rigidbody::Data{
-			.mass = 0.1f,
-			.max_linear_velocity = 40,
-		});
-		game_object1.add_component<BehaviorScript>().set_script<Script1>();
-
-		game_object2.add_component<Camera>(ivec2{1080, 720}, vec2{5000, 5000},
-										   Camera::Data{
-											   .bg_color = Color::WHITE,
-											   .zoom = 1,
-										   });
-	}
-
-	string get_name() const override { return "Scene1"; }
-};
-
-int main() {
-	LoopManager engine;
-	engine.add_scene<Scene1>();
-	engine.start();
-
-	return 0;
-}
diff --git a/src/example/Aquarium.cpp b/src/example/Aquarium.cpp
new file mode 100644
index 0000000..7cd9017
--- /dev/null
+++ b/src/example/Aquarium.cpp
@@ -0,0 +1,148 @@
+#include "Aquarium.h"
+
+#include <crepe/api/Animator.h>
+#include <crepe/api/Asset.h>
+#include <crepe/api/BehaviorScript.h>
+#include <crepe/api/BoxCollider.h>
+#include <crepe/api/Camera.h>
+#include <crepe/api/CircleCollider.h>
+#include <crepe/api/Color.h>
+#include <crepe/api/Event.h>
+#include <crepe/api/GameObject.h>
+#include <crepe/api/LoopManager.h>
+#include <crepe/api/Rigidbody.h>
+#include <crepe/api/Scene.h>
+#include <crepe/api/Script.h>
+#include <crepe/api/Sprite.h>
+#include <crepe/api/Transform.h>
+#include <crepe/api/Vector2.h>
+#include <crepe/types.h>
+#include <iostream>
+
+using namespace crepe;
+using namespace std;
+
+float Aquarium::create(Scene & scn, float begin_x) {
+	this->add_background(scn, begin_x);
+
+	GameObject aquarium_begin
+		= scn.new_object("aquarium_begin", "background", vec2(begin_x, 0));
+	Asset aquarium_begin_asset{
+		"asset/jetpack_joyride/background/aquarium/glassTubeFG_1_TVOS.png"};
+	aquarium_begin.add_component<Sprite>(aquarium_begin_asset, Sprite::Data{
+																   .sorting_in_layer = 4,
+																   .order_in_layer = 0,
+																   .size = vec2(0, 800),
+															   });
+	begin_x += 600;
+
+	GameObject aquarium_middle_1
+		= scn.new_object("aquarium_middle", "background", vec2(begin_x, 0));
+	Asset aquarium_middle_1_asset{
+		"asset/jetpack_joyride/background/aquarium/glassTubeFG_3_TVOS.png"};
+	aquarium_middle_1.add_component<Sprite>(aquarium_middle_1_asset, Sprite::Data{
+																		 .sorting_in_layer = 4,
+																		 .order_in_layer = 2,
+																		 .size = vec2(0, 800),
+																	 });
+	begin_x += 400;
+
+	this->add_background(scn, begin_x - 200);
+
+	GameObject aquarium_middle_2
+		= scn.new_object("aquarium_middle", "background", vec2(begin_x, 0));
+	Asset aquarium_middle_2_asset{
+		"asset/jetpack_joyride/background/aquarium/glassTubeFG_3_TVOS.png"};
+	aquarium_middle_2.add_component<Sprite>(aquarium_middle_2_asset, Sprite::Data{
+																		 .sorting_in_layer = 4,
+																		 .order_in_layer = 3,
+																		 .size = vec2(0, 800),
+																	 });
+	begin_x += 400;
+
+	GameObject aquarium_middle_3
+		= scn.new_object("aquarium_middle", "background", vec2(begin_x, 0));
+	Asset aquarium_middle_3_asset{
+		"asset/jetpack_joyride/background/aquarium/glassTubeFG_3_TVOS.png"};
+	aquarium_middle_3.add_component<Sprite>(aquarium_middle_3_asset, Sprite::Data{
+																		 .sorting_in_layer = 4,
+																		 .order_in_layer = 4,
+																		 .size = vec2(0, 800),
+																	 });
+	begin_x += 400;
+
+	this->add_background(scn, begin_x - 200);
+
+	GameObject aquarium_middle_4
+		= scn.new_object("aquarium_middle", "background", vec2(begin_x, 0));
+	Asset aquarium_middle_4_asset{
+		"asset/jetpack_joyride/background/aquarium/glassTubeFG_3_TVOS.png"};
+	aquarium_middle_4.add_component<Sprite>(aquarium_middle_4_asset, Sprite::Data{
+																		 .sorting_in_layer = 4,
+																		 .order_in_layer = 5,
+																		 .size = vec2(0, 800),
+																	 });
+	begin_x += 600;
+
+	this->add_background(scn, begin_x);
+
+	GameObject aquarium_end = scn.new_object("aquarium_end", "background", vec2(begin_x, 0));
+	Asset aquarium_end_asset{
+		"asset/jetpack_joyride/background/aquarium/glassTubeFG_2_TVOS.png"};
+	aquarium_end.add_component<Sprite>(aquarium_end_asset, Sprite::Data{
+															   .sorting_in_layer = 4,
+															   .order_in_layer = 1,
+															   .size = vec2(0, 800),
+														   });
+	begin_x += 600;
+
+	return begin_x;
+}
+
+void Aquarium::add_background(Scene & scn, float begin_x) {
+	GameObject bg_1 = scn.new_object("aquarium_bg_1", "aquarium_background", vec2(begin_x, 0));
+	Asset bg_1_1_asset{"asset/jetpack_joyride/background/aquarium/AquariumBG1_1_TVOS.png"};
+	bg_1.add_component<Sprite>(bg_1_1_asset, Sprite::Data{
+												 .sorting_in_layer = 3,
+												 .order_in_layer = 2,
+												 .size = vec2(0, 400),
+												 .position_offset = vec2(-200, 100),
+											 });
+	Asset bg_1_2_asset{"asset/jetpack_joyride/background/aquarium/AquariumBG1_2_TVOS.png"};
+	bg_1.add_component<Sprite>(bg_1_2_asset, Sprite::Data{
+												 .sorting_in_layer = 3,
+												 .order_in_layer = 2,
+												 .size = vec2(0, 400),
+												 .position_offset = vec2(200, 100),
+											 });
+	GameObject bg_2 = scn.new_object("aquarium_bg_2", "aquarium_background", vec2(begin_x, 0));
+	Asset bg_2_1_asset{"asset/jetpack_joyride/background/aquarium/AquariumBG2_1_TVOS.png"};
+	bg_2.add_component<Sprite>(bg_2_1_asset, Sprite::Data{
+												 .sorting_in_layer = 3,
+												 .order_in_layer = 1,
+												 .size = vec2(0, 400),
+												 .position_offset = vec2(200, -50),
+											 });
+	Asset bg_2_2_asset{"asset/jetpack_joyride/background/aquarium/AquariumBG2_2_TVOS.png"};
+	bg_2.add_component<Sprite>(bg_2_2_asset, Sprite::Data{
+												 .sorting_in_layer = 3,
+												 .order_in_layer = 1,
+												 .size = vec2(0, 400),
+												 .position_offset = vec2(-200, -50),
+											 });
+	GameObject bg_3 = scn.new_object("aquarium_bg_3", "aquarium_background", vec2(begin_x, 0));
+	Asset bg_3_1_asset{"asset/jetpack_joyride/background/aquarium/AquariumBG3_1_TVOS.png"};
+	bg_3.add_component<Sprite>(bg_3_1_asset, Sprite::Data{
+												 .sorting_in_layer = 3,
+												 .order_in_layer = 0,
+												 .size = vec2(0, 400),
+												 .position_offset = vec2(200, -200),
+											 });
+	Asset bg_3_2_asset{"asset/jetpack_joyride/background/aquarium/AquariumBG3_2_TVOS.png"};
+	bg_3.add_component<Sprite>(bg_3_2_asset, Sprite::Data{
+												 .sorting_in_layer = 3,
+												 .order_in_layer = 0,
+												 .size = vec2(0, 400),
+												 .position_offset = vec2(-200, -200),
+											 });
+}
diff --git a/src/example/Aquarium.h b/src/example/Aquarium.h
new file mode 100644
index 0000000..8815e9c
--- /dev/null
+++ b/src/example/Aquarium.h
@@ -0,0 +1,13 @@
+#pragma once
+
+namespace crepe {
+class Scene;
+}
+
+class Aquarium {
+public:
+	float create(crepe::Scene & scn, float begin_x);
+
+private:
+	void add_background(crepe::Scene & scn, float begin_x);
+};
diff --git a/src/example/Background.cpp b/src/example/Background.cpp
new file mode 100644
index 0000000..f935d90
--- /dev/null
+++ b/src/example/Background.cpp
@@ -0,0 +1,54 @@
+#include "Background.h"
+#include "Aquarium.h"
+#include "Forest.h"
+#include "Hallway.h"
+#include "Start.h"
+
+#include <crepe/api/Animator.h>
+#include <crepe/api/Asset.h>
+#include <crepe/api/BehaviorScript.h>
+#include <crepe/api/BoxCollider.h>
+#include <crepe/api/Camera.h>
+#include <crepe/api/CircleCollider.h>
+#include <crepe/api/Color.h>
+#include <crepe/api/Event.h>
+#include <crepe/api/GameObject.h>
+#include <crepe/api/LoopManager.h>
+#include <crepe/api/Rigidbody.h>
+#include <crepe/api/Scene.h>
+#include <crepe/api/Script.h>
+#include <crepe/api/Sprite.h>
+#include <crepe/api/Transform.h>
+#include <crepe/api/Vector2.h>
+#include <crepe/types.h>
+#include <iostream>
+
+using namespace crepe;
+using namespace std;
+
+Background::Background(Scene & scn) {
+	Start start;
+	Hallway hallway;
+	Forest forest;
+	Aquarium aquarium;
+
+	float begin_x = 0;
+
+	begin_x = start.create(scn, begin_x);
+
+	begin_x = hallway.create(scn, begin_x, 1, Color::YELLOW);
+
+	begin_x = forest.create(scn, begin_x, "1");
+
+	begin_x = hallway.create(scn, begin_x, 2, Color::MAGENTA);
+
+	begin_x = aquarium.create(scn, begin_x);
+
+	begin_x = hallway.create(scn, begin_x, 3, Color::CYAN);
+
+	begin_x = forest.create(scn, begin_x, "2");
+
+	begin_x = hallway.create(scn, begin_x, 4, Color::GREEN);
+
+	begin_x = aquarium.create(scn, begin_x);
+}
diff --git a/src/example/Background.h b/src/example/Background.h
new file mode 100644
index 0000000..7c5a2bb
--- /dev/null
+++ b/src/example/Background.h
@@ -0,0 +1,10 @@
+#pragma once
+
+namespace crepe {
+class Scene;
+}
+
+class Background {
+public:
+	Background(crepe::Scene & scn);
+};
diff --git a/src/example/CMakeLists.txt b/src/example/CMakeLists.txt
index 187ed46..911a99c 100644
--- a/src/example/CMakeLists.txt
+++ b/src/example/CMakeLists.txt
@@ -1,22 +1,20 @@
-# all examples
-add_custom_target(examples)
+set(GAME_HEADERS
+	Aquarium.h
+	Background.h
+	Forest.h
+	Hallway.h
+	Start.h
+)
 
-# add_example(target_name [SOURCES...])
-function(add_example target_name)
-	# if SOURCES is not specified
-	if(NOT ARGV1)
-		# A .cpp file with target_name exists, and should be used
-		set(sources ${target_name}.cpp)
-	else()
-		set(sources ${ARGV})
-	endif()
+set(GAME_SOURCES
+	game.cpp
+	Aquarium.cpp
+	Background.cpp
+	Forest.cpp
+	Hallway.cpp
+	Start.cpp
+)
 
-	add_executable(${target_name} EXCLUDE_FROM_ALL ${sources})
-	target_link_libraries(${target_name} PUBLIC crepe)
-	add_dependencies(examples ${target_name})
-endfunction()
+add_executable(game ${GAME_SOURCES} ${GAME_HEADERS})
 
-add_example(rendering_particle)
-add_example(game)
-add_example(button)
-add_example(AITest)
+target_link_libraries(game PUBLIC crepe)
diff --git a/src/example/Forest.cpp b/src/example/Forest.cpp
new file mode 100644
index 0000000..3f1f5d8
--- /dev/null
+++ b/src/example/Forest.cpp
@@ -0,0 +1,172 @@
+#include "Forest.h"
+
+#include <crepe/api/Animator.h>
+#include <crepe/api/Asset.h>
+#include <crepe/api/BehaviorScript.h>
+#include <crepe/api/BoxCollider.h>
+#include <crepe/api/Camera.h>
+#include <crepe/api/CircleCollider.h>
+#include <crepe/api/Color.h>
+#include <crepe/api/Event.h>
+#include <crepe/api/GameObject.h>
+#include <crepe/api/LoopManager.h>
+#include <crepe/api/Rigidbody.h>
+#include <crepe/api/Scene.h>
+#include <crepe/api/Script.h>
+#include <crepe/api/Sprite.h>
+#include <crepe/api/Transform.h>
+#include <crepe/api/Vector2.h>
+#include <crepe/types.h>
+#include <iostream>
+
+using namespace crepe;
+using namespace std;
+
+class ParallaxScript : public Script {
+public:
+	ParallaxScript(float begin_x, float end_x, std::string unique_bg_name)
+		: begin_x(begin_x),
+		  end_x(end_x),
+		  name(unique_bg_name) {}
+
+	void update() {
+		RefVector<Transform> vec_2
+			= this->get_components_by_name<Transform>("forest_bg_2_" + name);
+		RefVector<Transform> vec_3
+			= this->get_components_by_name<Transform>("forest_bg_3_" + name);
+
+		for (Transform & t : vec_2) {
+			if (t.position.x > end_x - 400) {
+				t.position.x = begin_x - 400;
+			}
+		}
+		for (Transform & t : vec_3) {
+			if (t.position.x > end_x - 400) {
+				t.position.x = begin_x - 400;
+			}
+		}
+	}
+
+private:
+	const float begin_x;
+	const float end_x;
+	const std::string name;
+};
+
+float Forest::create(Scene & scn, float begin_x, std::string unique_bg_name) {
+	GameObject script = scn.new_object("forest_script", "background");
+	script.add_component<BehaviorScript>().set_script<ParallaxScript>(
+		begin_x - 400, begin_x + 3000 + 400, unique_bg_name);
+
+	this->add_background(scn, begin_x, unique_bg_name);
+
+	GameObject begin = scn.new_object("forest_begin", "background", vec2(begin_x, 0));
+	Asset begin_asset{"asset/jetpack_joyride/background/forest/forestFG_1_TVOS.png"};
+	begin.add_component<Sprite>(begin_asset, Sprite::Data{
+												 .sorting_in_layer = 4,
+												 .order_in_layer = 0,
+												 .size = vec2(0, 800),
+											 });
+	begin_x += 800;
+
+	this->add_background(scn, begin_x, unique_bg_name);
+
+	GameObject middle_1 = scn.new_object("forest_middle", "background", vec2(begin_x, 0));
+	Asset middle_1_asset{"asset/jetpack_joyride/background/forest/forestFG_3_TVOS.png"};
+	middle_1.add_component<Sprite>(middle_1_asset, Sprite::Data{
+													   .sorting_in_layer = 4,
+													   .order_in_layer = 2,
+													   .size = vec2(0, 800),
+												   });
+	begin_x += 800;
+
+	this->add_background(scn, begin_x, unique_bg_name);
+
+	GameObject middle_2 = scn.new_object("forest_middle", "background", vec2(begin_x, 0));
+	Asset middle_2_asset{"asset/jetpack_joyride/background/forest/forestFG_3_TVOS.png"};
+	middle_2.add_component<Sprite>(middle_2_asset, Sprite::Data{
+													   .sorting_in_layer = 4,
+													   .order_in_layer = 3,
+													   .size = vec2(0, 800),
+												   });
+	begin_x += 800;
+
+	this->add_background(scn, begin_x, unique_bg_name);
+
+	GameObject end = scn.new_object("forest_end", "background", vec2(begin_x, 0));
+	Asset end_asset{"asset/jetpack_joyride/background/forest/forestFG_2_TVOS.png"};
+	end.add_component<Sprite>(end_asset, Sprite::Data{
+											 .sorting_in_layer = 4,
+											 .order_in_layer = 1,
+											 .size = vec2(0, 800),
+										 });
+	begin_x += 600;
+
+	this->add_background(scn, begin_x + 200, unique_bg_name);
+
+	return begin_x;
+}
+
+void Forest::add_background(Scene & scn, float begin_x, std::string name) {
+	GameObject bg_1
+		= scn.new_object("forest_bg_1_" + name, "forest_background", vec2(begin_x, 0));
+	Asset bg_1_asset{"asset/jetpack_joyride/background/forest/forestBG1_1_TVOS.png"};
+	bg_1.add_component<Sprite>(bg_1_asset, Sprite::Data{
+											   .sorting_in_layer = 3,
+											   .order_in_layer = 2,
+											   .size = vec2(0, 800),
+										   });
+	GameObject bg_2
+		= scn.new_object("forest_bg_2_" + name, "forest_background", vec2(begin_x, 0));
+	Asset bg_2_1_asset{"asset/jetpack_joyride/background/forest/forestBG2_1_TVOS.png"};
+	bg_2.add_component<Sprite>(bg_2_1_asset, Sprite::Data{
+												 .sorting_in_layer = 3,
+												 .order_in_layer = 1,
+												 .size = vec2(0, 400),
+												 .position_offset = vec2(200, 0),
+											 });
+	Asset bg_2_2_asset{"asset/jetpack_joyride/background/forest/forestBG2_2_TVOS.png"};
+	bg_2.add_component<Sprite>(bg_2_2_asset, Sprite::Data{
+												 .sorting_in_layer = 3,
+												 .order_in_layer = 1,
+												 .size = vec2(0, 400),
+												 .position_offset = vec2(-200, 0),
+											 });
+	GameObject bg_3
+		= scn.new_object("forest_bg_3_" + name, "forest_background", vec2(begin_x, 0));
+	Asset bg_3_1_asset{"asset/jetpack_joyride/background/forest/forestBG3_1_TVOS.png"};
+	bg_3.add_component<Sprite>(bg_3_1_asset, Sprite::Data{
+												 .sorting_in_layer = 3,
+												 .order_in_layer = 0,
+												 .size = vec2(0, 200),
+												 .position_offset = vec2(300, 0),
+											 });
+	Asset bg_3_2_asset{"asset/jetpack_joyride/background/forest/forestBG3_2_TVOS.png"};
+	bg_3.add_component<Sprite>(bg_3_2_asset, Sprite::Data{
+												 .sorting_in_layer = 3,
+												 .order_in_layer = 0,
+												 .size = vec2(0, 200),
+												 .position_offset = vec2(100, 0),
+											 });
+	Asset bg_3_3_asset{"asset/jetpack_joyride/background/forest/forestBG3_3_TVOS.png"};
+	bg_3.add_component<Sprite>(bg_3_3_asset, Sprite::Data{
+												 .sorting_in_layer = 3,
+												 .order_in_layer = 0,
+												 .size = vec2(0, 200),
+												 .position_offset = vec2(-100, 0),
+											 });
+	Asset bg_3_4_asset{"asset/jetpack_joyride/background/forest/forestBG3_4_TVOS.png"};
+	bg_3.add_component<Sprite>(bg_3_4_asset, Sprite::Data{
+												 .sorting_in_layer = 3,
+												 .order_in_layer = 0,
+												 .size = vec2(0, 200),
+												 .position_offset = vec2(-300, 0),
+											 });
+
+	bg_2.add_component<Rigidbody>(Rigidbody::Data{
+		.linear_velocity = vec2(30, 0),
+	});
+	bg_3.add_component<Rigidbody>(Rigidbody::Data{
+		.linear_velocity = vec2(40, 0),
+	});
+}
diff --git a/src/example/Forest.h b/src/example/Forest.h
new file mode 100644
index 0000000..f612c91
--- /dev/null
+++ b/src/example/Forest.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include <string>
+
+namespace crepe {
+class Scene;
+}
+
+class Forest {
+public:
+	float create(crepe::Scene & scn, float begin_x, std::string unique_bg_name);
+
+private:
+	void add_background(crepe::Scene & scn, float begin_x, std::string name);
+};
diff --git a/src/example/Hallway.cpp b/src/example/Hallway.cpp
new file mode 100644
index 0000000..5d01a96
--- /dev/null
+++ b/src/example/Hallway.cpp
@@ -0,0 +1,140 @@
+#include "Hallway.h"
+
+#include <crepe/api/Animator.h>
+#include <crepe/api/Asset.h>
+#include <crepe/api/BehaviorScript.h>
+#include <crepe/api/BoxCollider.h>
+#include <crepe/api/Camera.h>
+#include <crepe/api/CircleCollider.h>
+#include <crepe/api/Color.h>
+#include <crepe/api/Event.h>
+#include <crepe/api/GameObject.h>
+#include <crepe/api/LoopManager.h>
+#include <crepe/api/Rigidbody.h>
+#include <crepe/api/Scene.h>
+#include <crepe/api/Script.h>
+#include <crepe/api/Sprite.h>
+#include <crepe/api/Transform.h>
+#include <crepe/api/Vector2.h>
+#include <iostream>
+
+using namespace crepe;
+using namespace std;
+
+float Hallway::create(Scene & scn, float begin_x, unsigned int sector_num,
+					  Color sector_color) {
+	GameObject begin = scn.new_object("hallway_begin", "background", vec2(begin_x, 0));
+	Asset begin_asset{"asset/jetpack_joyride/background/hallway/hallway1FG_1_TVOS.png"};
+	begin.add_component<Sprite>(begin_asset, Sprite::Data{
+												 .sorting_in_layer = 4,
+												 .order_in_layer = 0,
+												 .size = vec2(0, 800),
+											 });
+	begin_x += 600;
+
+	this->add_sector_number(begin, vec2(-200, 0), sector_num, sector_color);
+	this->add_lamp(begin, vec2(-70, -120), 11);
+	this->add_lamp(begin, vec2(30, -120), 9);
+
+	GameObject middle_1 = scn.new_object("hallway_middle", "background", vec2(begin_x, 0));
+	Asset middle_asset{"asset/jetpack_joyride/background/hallway/hallway1FG_2_TVOS.png"};
+	middle_1.add_component<Sprite>(middle_asset, Sprite::Data{
+													 .sorting_in_layer = 4,
+													 .order_in_layer = 2,
+													 .size = vec2(0, 800),
+												 });
+	begin_x += 600;
+
+	GameObject middle_2 = scn.new_object("hallway_middle", "background", vec2(begin_x, 0));
+	Asset middle_asset_2{"asset/jetpack_joyride/background/hallway/hallway1FG_2_TVOS.png"};
+	middle_2.add_component<Sprite>(middle_asset_2, Sprite::Data{
+													   .sorting_in_layer = 4,
+													   .order_in_layer = 3,
+													   .size = vec2(0, 800),
+												   });
+	begin_x += 200;
+
+	GameObject middle_3 = scn.new_object("hallway_middle", "background", vec2(begin_x, 0));
+	Asset middle_asset_3{"asset/jetpack_joyride/background/hallway/hallway1FG_2_TVOS.png"};
+	middle_3.add_component<Sprite>(middle_asset_3, Sprite::Data{
+													   .sorting_in_layer = 4,
+													   .order_in_layer = 4,
+													   .size = vec2(0, 800),
+												   });
+	begin_x += 400;
+
+	this->add_lamp(middle_3, vec2(0, -120));
+
+	GameObject middle_4 = scn.new_object("hallway_middle", "background", vec2(begin_x, 0));
+	Asset middle_asset_4{"asset/jetpack_joyride/background/hallway/hallway1FG_2_TVOS.png"};
+	middle_4.add_component<Sprite>(middle_asset_4, Sprite::Data{
+													   .sorting_in_layer = 4,
+													   .order_in_layer = 5,
+													   .size = vec2(0, 800),
+												   });
+	begin_x += 600;
+
+	GameObject end = scn.new_object("hallway_end", "background", vec2(begin_x, 0));
+	Asset end_asset{"asset/jetpack_joyride/background/hallway/hallway1FG_1_TVOS.png"};
+	end.add_component<Sprite>(end_asset, Sprite::Data{
+											 .sorting_in_layer = 4,
+											 .order_in_layer = 1,
+											 .size = vec2(0, 800),
+										 });
+	begin_x += 600;
+
+	return begin_x;
+}
+
+void Hallway::add_lamp(GameObject & obj, vec2 offset, unsigned int fps) {
+	Asset lamp_asset{"asset/jetpack_joyride/background/hallway/alarmLight_TVOS.png"};
+	obj.add_component<Sprite>(lamp_asset, Sprite::Data{
+											  .sorting_in_layer = 5,
+											  .order_in_layer = 0,
+											  .size = vec2(0, 100),
+											  .position_offset = offset,
+										  });
+	Asset lamp_glow_asset{"asset/jetpack_joyride/background/hallway/alarmGlow_TVOS.png"};
+	Sprite & lamp_glow_sprite = obj.add_component<Sprite>(
+		lamp_glow_asset, Sprite::Data{
+							 .sorting_in_layer = 5,
+							 .order_in_layer = 1,
+							 .size = vec2(0, 300),
+							 .position_offset = offset - vec2(65, -30),
+						 });
+	obj.add_component<Animator>(lamp_glow_sprite, ivec2(422, 384), uvec2(6, 1),
+								Animator::Data{
+									.fps = fps,
+									.looping = true,
+								});
+}
+
+void Hallway::add_sector_number(GameObject & obj, vec2 offset, unsigned int sector_num,
+								Color sector_color) {
+	Asset sector_text_asset{"asset/jetpack_joyride/background/hallway/sectorText_TVOS.png"};
+	obj.add_component<Sprite>(sector_text_asset, Sprite::Data{
+													 .color = sector_color,
+													 .sorting_in_layer = 5,
+													 .order_in_layer = 0,
+													 .size = vec2(0, 100),
+													 .position_offset = offset,
+												 });
+	Asset sector_num_asset{"asset/jetpack_joyride/background/hallway/sectorNumbers_TVOS.png"};
+	Sprite & sector_num_sprite = obj.add_component<Sprite>(
+		sector_num_asset, Sprite::Data{
+							  .color = sector_color,
+							  .sorting_in_layer = 5,
+							  .order_in_layer = 0,
+							  .size = vec2(0, 100),
+							  .position_offset = offset + vec2(200, 0),
+						  });
+	Animator & sector_num_anim = obj.add_component<Animator>(
+		sector_num_sprite, ivec2(256, 128), uvec2(4, 4), Animator::Data{});
+	int column = (sector_num - 1) / 4;
+	int row = (sector_num - 1) % 4;
+	sector_num_anim.set_anim(column);
+	for (int i = 0; i < row; i++) {
+		sector_num_anim.next_anim();
+	}
+	sector_num_anim.pause();
+}
diff --git a/src/example/Hallway.h b/src/example/Hallway.h
new file mode 100644
index 0000000..f173313
--- /dev/null
+++ b/src/example/Hallway.h
@@ -0,0 +1,21 @@
+#pragma once
+
+#include <crepe/types.h>
+
+namespace crepe {
+class Scene;
+class GameObject;
+class Color;
+} // namespace crepe
+
+class Hallway {
+public:
+	float create(crepe::Scene & scn, float begin_x, unsigned int sector_num,
+				 crepe::Color sector_color);
+
+private:
+	void add_lamp(crepe::GameObject & obj, crepe::vec2 offset, unsigned int fps = 10);
+
+	void add_sector_number(crepe::GameObject & obj, crepe::vec2 offset,
+						   unsigned int sector_num, crepe::Color sector_color);
+};
diff --git a/src/example/Start.cpp b/src/example/Start.cpp
new file mode 100644
index 0000000..a8d86ec
--- /dev/null
+++ b/src/example/Start.cpp
@@ -0,0 +1,69 @@
+#include "Start.h"
+
+#include <crepe/api/Animator.h>
+#include <crepe/api/Asset.h>
+#include <crepe/api/BehaviorScript.h>
+#include <crepe/api/BoxCollider.h>
+#include <crepe/api/Camera.h>
+#include <crepe/api/CircleCollider.h>
+#include <crepe/api/Color.h>
+#include <crepe/api/Event.h>
+#include <crepe/api/GameObject.h>
+#include <crepe/api/LoopManager.h>
+#include <crepe/api/Rigidbody.h>
+#include <crepe/api/Scene.h>
+#include <crepe/api/Script.h>
+#include <crepe/api/Sprite.h>
+#include <crepe/api/Transform.h>
+#include <crepe/api/Vector2.h>
+#include <iostream>
+
+using namespace crepe;
+using namespace std;
+
+float Start::create(Scene & scn, float begin_x) {
+	GameObject begin = scn.new_object("start_begin", "background", vec2(begin_x, 0));
+	Asset begin_asset{"asset/jetpack_joyride/background/start/titleFG_1_TVOS.png"};
+	begin.add_component<Sprite>(begin_asset, Sprite::Data{
+												 .sorting_in_layer = 4,
+												 .order_in_layer = 0,
+												 .size = vec2(0, 800),
+											 });
+	begin_x += 700;
+
+	GameObject end = scn.new_object("start_end", "background", vec2(begin_x, 0));
+	Asset end_asset{"asset/jetpack_joyride/background/start/titleFG_2_TVOS.png"};
+	end.add_component<Sprite>(end_asset, Sprite::Data{
+											 .sorting_in_layer = 4,
+											 .order_in_layer = 1,
+											 .size = vec2(0, 800),
+										 });
+	begin_x += 100;
+
+	this->add_lamp(end, vec2(-350, -95));
+
+	return begin_x;
+}
+
+void Start::add_lamp(GameObject & obj, vec2 offset, unsigned int fps) {
+	Asset lamp_asset{"asset/jetpack_joyride/background/start/alarmLight_TVOS.png"};
+	obj.add_component<Sprite>(lamp_asset, Sprite::Data{
+											  .sorting_in_layer = 5,
+											  .order_in_layer = 0,
+											  .size = vec2(0, 100),
+											  .position_offset = offset,
+										  });
+	Asset lamp_glow_asset{"asset/jetpack_joyride/background/start/alarmGlow_TVOS.png"};
+	Sprite & lamp_glow_sprite = obj.add_component<Sprite>(
+		lamp_glow_asset, Sprite::Data{
+							 .sorting_in_layer = 5,
+							 .order_in_layer = 1,
+							 .size = vec2(0, 300),
+							 .position_offset = offset - vec2(65, -55),
+						 });
+	obj.add_component<Animator>(lamp_glow_sprite, ivec2(422, 384), uvec2(6, 1),
+								Animator::Data{
+									.fps = fps,
+									.looping = true,
+								});
+}
diff --git a/src/example/Start.h b/src/example/Start.h
new file mode 100644
index 0000000..37d1141
--- /dev/null
+++ b/src/example/Start.h
@@ -0,0 +1,16 @@
+#pragma once
+
+#include <crepe/types.h>
+
+namespace crepe {
+class Scene;
+class GameObject;
+} // namespace crepe
+
+class Start {
+public:
+	float create(crepe::Scene & scn, float begin_x);
+
+private:
+	void add_lamp(crepe::GameObject & obj, crepe::vec2 offset, unsigned int fps = 10);
+};
diff --git a/src/example/button.cpp b/src/example/button.cpp
deleted file mode 100644
index 00bdc28..0000000
--- a/src/example/button.cpp
+++ /dev/null
@@ -1,54 +0,0 @@
-#include <SDL2/SDL_timer.h>
-#include <chrono>
-#include <crepe/Component.h>
-#include <crepe/ComponentManager.h>
-#include <crepe/api/Animator.h>
-#include <crepe/api/Button.h>
-#include <crepe/api/Camera.h>
-#include <crepe/api/Color.h>
-#include <crepe/api/EventManager.h>
-#include <crepe/api/GameObject.h>
-#include <crepe/api/Sprite.h>
-#include <crepe/api/Texture.h>
-#include <crepe/api/Transform.h>
-#include <crepe/system/AnimatorSystem.h>
-#include <crepe/system/InputSystem.h>
-#include <crepe/system/RenderSystem.h>
-#include <crepe/types.h>
-#include <iostream>
-using namespace crepe;
-using namespace std;
-
-int main(int argc, char * argv[]) {
-	ComponentManager mgr;
-	RenderSystem sys{mgr};
-	EventManager & event_mgr = EventManager::get_instance();
-	InputSystem input_sys{mgr};
-	AnimatorSystem asys{mgr};
-	GameObject camera_obj = mgr.new_object("", "", vec2{1000, 1000}, 0, 1);
-	camera_obj.add_component<Camera>(Color::WHITE, ivec2{1080, 720}, vec2{2000, 2000}, 1.0f);
-
-	GameObject button_obj = mgr.new_object("body", "person", vec2{0, 0}, 0, 1);
-	auto s2 = Texture("asset/texture/test_ap43.png");
-	bool button_clicked = false;
-	auto & sprite2 = button_obj.add_component<Sprite>(
-		s2, Color::GREEN, Sprite::FlipSettings{false, false}, 2, 1, 100);
-	std::function<void()> on_click = [&]() { std::cout << "button clicked" << std::endl; };
-	std::function<void()> on_enter = [&]() { std::cout << "enter" << std::endl; };
-	std::function<void()> on_exit = [&]() { std::cout << "exit" << std::endl; };
-	auto & button
-		= button_obj.add_component<Button>(vec2{100, 100}, vec2{0, 0}, on_click, false);
-	button.on_mouse_enter = on_enter;
-	button.on_mouse_exit = on_exit;
-	button.is_toggle = true;
-	button.active = true;
-	auto start = std::chrono::steady_clock::now();
-	while (true) {
-		input_sys.update();
-		sys.update();
-		asys.update();
-		event_mgr.dispatch_events();
-		SDL_Delay(30);
-	}
-	return 0;
-}
diff --git a/src/example/game.cpp b/src/example/game.cpp
index 71dd42b..6446256 100644
--- a/src/example/game.cpp
+++ b/src/example/game.cpp
@@ -1,3 +1,5 @@
+#include "Background.h"
+
 #include <crepe/api/Animator.h>
 #include <crepe/api/Asset.h>
 #include <crepe/api/BehaviorScript.h>
@@ -20,500 +22,6 @@
 using namespace crepe;
 using namespace std;
 
-class ParallaxScript : public Script {
-public:
-	ParallaxScript(float begin_x, float end_x, std::string unique_bg_name)
-		: begin_x(begin_x),
-		  end_x(end_x),
-		  name(unique_bg_name) {}
-
-	void update() {
-		RefVector<Transform> vec_2
-			= this->get_components_by_name<Transform>("forest_bg_2_" + name);
-		RefVector<Transform> vec_3
-			= this->get_components_by_name<Transform>("forest_bg_3_" + name);
-
-		for (Transform & t : vec_2) {
-			if (t.position.x > end_x - 400) {
-				t.position.x = begin_x - 400;
-			}
-		}
-		for (Transform & t : vec_3) {
-			if (t.position.x > end_x - 400) {
-				t.position.x = begin_x - 400;
-			}
-		}
-	}
-
-private:
-	const float begin_x;
-	const float end_x;
-	const std::string name;
-};
-
-class Start {
-public:
-	float create(Scene & scn, float begin_x) {
-		GameObject begin = scn.new_object("start_begin", "background", vec2(begin_x, 0));
-		Asset begin_asset{"asset/jetpack_joyride/background/start/titleFG_1_TVOS.png"};
-		begin.add_component<Sprite>(begin_asset, Sprite::Data{
-													 .sorting_in_layer = 4,
-													 .order_in_layer = 0,
-													 .size = vec2(0, 800),
-												 });
-		begin_x += 700;
-
-		GameObject end = scn.new_object("start_end", "background", vec2(begin_x, 0));
-		Asset end_asset{"asset/jetpack_joyride/background/start/titleFG_2_TVOS.png"};
-		end.add_component<Sprite>(end_asset, Sprite::Data{
-												 .sorting_in_layer = 4,
-												 .order_in_layer = 1,
-												 .size = vec2(0, 800),
-											 });
-		begin_x += 100;
-
-		this->add_lamp(end, vec2(-350, -95));
-
-		return begin_x;
-	}
-
-private:
-	void add_lamp(GameObject & obj, vec2 offset, unsigned int fps = 10) {
-		Asset lamp_asset{"asset/jetpack_joyride/background/start/alarmLight_TVOS.png"};
-		obj.add_component<Sprite>(lamp_asset, Sprite::Data{
-												  .sorting_in_layer = 5,
-												  .order_in_layer = 0,
-												  .size = vec2(0, 100),
-												  .position_offset = offset,
-											  });
-		Asset lamp_glow_asset{"asset/jetpack_joyride/background/start/alarmGlow_TVOS.png"};
-		Sprite & lamp_glow_sprite = obj.add_component<Sprite>(
-			lamp_glow_asset, Sprite::Data{
-								 .sorting_in_layer = 5,
-								 .order_in_layer = 1,
-								 .size = vec2(0, 300),
-								 .position_offset = offset - vec2(65, -55),
-							 });
-		obj.add_component<Animator>(lamp_glow_sprite, ivec2(422, 384), uvec2(6, 1),
-									Animator::Data{
-										.fps = fps,
-										.looping = true,
-									});
-	}
-};
-
-class Hallway {
-public:
-	float create(Scene & scn, float begin_x, unsigned int sector_num, Color sector_color) {
-		GameObject begin = scn.new_object("hallway_begin", "background", vec2(begin_x, 0));
-		Asset begin_asset{"asset/jetpack_joyride/background/hallway/hallway1FG_1_TVOS.png"};
-		begin.add_component<Sprite>(begin_asset, Sprite::Data{
-													 .sorting_in_layer = 4,
-													 .order_in_layer = 0,
-													 .size = vec2(0, 800),
-												 });
-		begin_x += 600;
-
-		this->add_sector_number(begin, vec2(-200, 0), sector_num, sector_color);
-		this->add_lamp(begin, vec2(-70, -120), 11);
-		this->add_lamp(begin, vec2(30, -120), 9);
-
-		GameObject middle_1 = scn.new_object("hallway_middle", "background", vec2(begin_x, 0));
-		Asset middle_asset{"asset/jetpack_joyride/background/hallway/hallway1FG_2_TVOS.png"};
-		middle_1.add_component<Sprite>(middle_asset, Sprite::Data{
-														 .sorting_in_layer = 4,
-														 .order_in_layer = 2,
-														 .size = vec2(0, 800),
-													 });
-		begin_x += 600;
-
-		GameObject middle_2 = scn.new_object("hallway_middle", "background", vec2(begin_x, 0));
-		Asset middle_asset_2{"asset/jetpack_joyride/background/hallway/hallway1FG_2_TVOS.png"};
-		middle_2.add_component<Sprite>(middle_asset_2, Sprite::Data{
-														   .sorting_in_layer = 4,
-														   .order_in_layer = 3,
-														   .size = vec2(0, 800),
-													   });
-		begin_x += 200;
-
-		GameObject middle_3 = scn.new_object("hallway_middle", "background", vec2(begin_x, 0));
-		Asset middle_asset_3{"asset/jetpack_joyride/background/hallway/hallway1FG_2_TVOS.png"};
-		middle_3.add_component<Sprite>(middle_asset_3, Sprite::Data{
-														   .sorting_in_layer = 4,
-														   .order_in_layer = 4,
-														   .size = vec2(0, 800),
-													   });
-		begin_x += 400;
-
-		this->add_lamp(middle_3, vec2(0, -120));
-
-		GameObject middle_4 = scn.new_object("hallway_middle", "background", vec2(begin_x, 0));
-		Asset middle_asset_4{"asset/jetpack_joyride/background/hallway/hallway1FG_2_TVOS.png"};
-		middle_4.add_component<Sprite>(middle_asset_4, Sprite::Data{
-														   .sorting_in_layer = 4,
-														   .order_in_layer = 5,
-														   .size = vec2(0, 800),
-													   });
-		begin_x += 600;
-
-		GameObject end = scn.new_object("hallway_end", "background", vec2(begin_x, 0));
-		Asset end_asset{"asset/jetpack_joyride/background/hallway/hallway1FG_1_TVOS.png"};
-		end.add_component<Sprite>(end_asset, Sprite::Data{
-												 .sorting_in_layer = 4,
-												 .order_in_layer = 1,
-												 .size = vec2(0, 800),
-											 });
-		begin_x += 600;
-
-		return begin_x;
-	}
-
-private:
-	void add_lamp(GameObject & obj, vec2 offset, unsigned int fps = 10) {
-		Asset lamp_asset{"asset/jetpack_joyride/background/hallway/alarmLight_TVOS.png"};
-		obj.add_component<Sprite>(lamp_asset, Sprite::Data{
-												  .sorting_in_layer = 5,
-												  .order_in_layer = 0,
-												  .size = vec2(0, 100),
-												  .position_offset = offset,
-											  });
-		Asset lamp_glow_asset{"asset/jetpack_joyride/background/hallway/alarmGlow_TVOS.png"};
-		Sprite & lamp_glow_sprite = obj.add_component<Sprite>(
-			lamp_glow_asset, Sprite::Data{
-								 .sorting_in_layer = 5,
-								 .order_in_layer = 1,
-								 .size = vec2(0, 300),
-								 .position_offset = offset - vec2(65, -30),
-							 });
-		obj.add_component<Animator>(lamp_glow_sprite, ivec2(422, 384), uvec2(6, 1),
-									Animator::Data{
-										.fps = fps,
-										.looping = true,
-									});
-	}
-
-	void add_sector_number(GameObject & obj, vec2 offset, unsigned int sector_num,
-						   Color sector_color) {
-		Asset sector_text_asset{
-			"asset/jetpack_joyride/background/hallway/sectorText_TVOS.png"};
-		obj.add_component<Sprite>(sector_text_asset, Sprite::Data{
-														 .color = sector_color,
-														 .sorting_in_layer = 5,
-														 .order_in_layer = 0,
-														 .size = vec2(0, 100),
-														 .position_offset = offset,
-													 });
-		Asset sector_num_asset{
-			"asset/jetpack_joyride/background/hallway/sectorNumbers_TVOS.png"};
-		Sprite & sector_num_sprite = obj.add_component<Sprite>(
-			sector_num_asset, Sprite::Data{
-								  .color = sector_color,
-								  .sorting_in_layer = 5,
-								  .order_in_layer = 0,
-								  .size = vec2(0, 100),
-								  .position_offset = offset + vec2(200, 0),
-							  });
-		Animator & sector_num_anim = obj.add_component<Animator>(
-			sector_num_sprite, ivec2(256, 128), uvec2(4, 4), Animator::Data{});
-		int column = (sector_num - 1) / 4;
-		int row = (sector_num - 1) % 4;
-		sector_num_anim.set_anim(column);
-		for (int i = 0; i < row; i++) {
-			sector_num_anim.next_anim();
-		}
-		sector_num_anim.pause();
-	}
-};
-
-class Forest {
-public:
-	float create(Scene & scn, float begin_x, std::string unique_bg_name) {
-		GameObject script = scn.new_object("forest_script", "background");
-		script.add_component<BehaviorScript>().set_script<ParallaxScript>(
-			begin_x - 400, begin_x + 3000 + 400, unique_bg_name);
-
-		this->add_background(scn, begin_x, unique_bg_name);
-
-		GameObject begin = scn.new_object("forest_begin", "background", vec2(begin_x, 0));
-		Asset begin_asset{"asset/jetpack_joyride/background/forest/forestFG_1_TVOS.png"};
-		begin.add_component<Sprite>(begin_asset, Sprite::Data{
-													 .sorting_in_layer = 4,
-													 .order_in_layer = 0,
-													 .size = vec2(0, 800),
-												 });
-		begin_x += 800;
-
-		this->add_background(scn, begin_x, unique_bg_name);
-
-		GameObject middle_1 = scn.new_object("forest_middle", "background", vec2(begin_x, 0));
-		Asset middle_1_asset{"asset/jetpack_joyride/background/forest/forestFG_3_TVOS.png"};
-		middle_1.add_component<Sprite>(middle_1_asset, Sprite::Data{
-														   .sorting_in_layer = 4,
-														   .order_in_layer = 2,
-														   .size = vec2(0, 800),
-													   });
-		begin_x += 800;
-
-		this->add_background(scn, begin_x, unique_bg_name);
-
-		GameObject middle_2 = scn.new_object("forest_middle", "background", vec2(begin_x, 0));
-		Asset middle_2_asset{"asset/jetpack_joyride/background/forest/forestFG_3_TVOS.png"};
-		middle_2.add_component<Sprite>(middle_2_asset, Sprite::Data{
-														   .sorting_in_layer = 4,
-														   .order_in_layer = 3,
-														   .size = vec2(0, 800),
-													   });
-		begin_x += 800;
-
-		this->add_background(scn, begin_x, unique_bg_name);
-
-		GameObject end = scn.new_object("forest_end", "background", vec2(begin_x, 0));
-		Asset end_asset{"asset/jetpack_joyride/background/forest/forestFG_2_TVOS.png"};
-		end.add_component<Sprite>(end_asset, Sprite::Data{
-												 .sorting_in_layer = 4,
-												 .order_in_layer = 1,
-												 .size = vec2(0, 800),
-											 });
-		begin_x += 600;
-
-		this->add_background(scn, begin_x + 200, unique_bg_name);
-
-		return begin_x;
-	}
-
-private:
-	void add_background(Scene & scn, float begin_x, std::string name) {
-		GameObject bg_1
-			= scn.new_object("forest_bg_1_" + name, "forest_background", vec2(begin_x, 0));
-		Asset bg_1_asset{"asset/jetpack_joyride/background/forest/forestBG1_1_TVOS.png"};
-		bg_1.add_component<Sprite>(bg_1_asset, Sprite::Data{
-												   .sorting_in_layer = 3,
-												   .order_in_layer = 2,
-												   .size = vec2(0, 800),
-											   });
-		GameObject bg_2
-			= scn.new_object("forest_bg_2_" + name, "forest_background", vec2(begin_x, 0));
-		Asset bg_2_1_asset{"asset/jetpack_joyride/background/forest/forestBG2_1_TVOS.png"};
-		bg_2.add_component<Sprite>(bg_2_1_asset, Sprite::Data{
-													 .sorting_in_layer = 3,
-													 .order_in_layer = 1,
-													 .size = vec2(0, 400),
-													 .position_offset = vec2(200, 0),
-												 });
-		Asset bg_2_2_asset{"asset/jetpack_joyride/background/forest/forestBG2_2_TVOS.png"};
-		bg_2.add_component<Sprite>(bg_2_2_asset, Sprite::Data{
-													 .sorting_in_layer = 3,
-													 .order_in_layer = 1,
-													 .size = vec2(0, 400),
-													 .position_offset = vec2(-200, 0),
-												 });
-		GameObject bg_3
-			= scn.new_object("forest_bg_3_" + name, "forest_background", vec2(begin_x, 0));
-		Asset bg_3_1_asset{"asset/jetpack_joyride/background/forest/forestBG3_1_TVOS.png"};
-		bg_3.add_component<Sprite>(bg_3_1_asset, Sprite::Data{
-													 .sorting_in_layer = 3,
-													 .order_in_layer = 0,
-													 .size = vec2(0, 200),
-													 .position_offset = vec2(300, 0),
-												 });
-		Asset bg_3_2_asset{"asset/jetpack_joyride/background/forest/forestBG3_2_TVOS.png"};
-		bg_3.add_component<Sprite>(bg_3_2_asset, Sprite::Data{
-													 .sorting_in_layer = 3,
-													 .order_in_layer = 0,
-													 .size = vec2(0, 200),
-													 .position_offset = vec2(100, 0),
-												 });
-		Asset bg_3_3_asset{"asset/jetpack_joyride/background/forest/forestBG3_3_TVOS.png"};
-		bg_3.add_component<Sprite>(bg_3_3_asset, Sprite::Data{
-													 .sorting_in_layer = 3,
-													 .order_in_layer = 0,
-													 .size = vec2(0, 200),
-													 .position_offset = vec2(-100, 0),
-												 });
-		Asset bg_3_4_asset{"asset/jetpack_joyride/background/forest/forestBG3_4_TVOS.png"};
-		bg_3.add_component<Sprite>(bg_3_4_asset, Sprite::Data{
-													 .sorting_in_layer = 3,
-													 .order_in_layer = 0,
-													 .size = vec2(0, 200),
-													 .position_offset = vec2(-300, 0),
-												 });
-
-		bg_2.add_component<Rigidbody>(Rigidbody::Data{
-			.linear_velocity = vec2(30, 0),
-		});
-		bg_3.add_component<Rigidbody>(Rigidbody::Data{
-			.linear_velocity = vec2(40, 0),
-		});
-	}
-};
-
-class Aquarium {
-public:
-	float create(Scene & scn, float begin_x) {
-		this->add_background(scn, begin_x);
-
-		GameObject aquarium_begin
-			= scn.new_object("aquarium_begin", "background", vec2(begin_x, 0));
-		Asset aquarium_begin_asset{
-			"asset/jetpack_joyride/background/aquarium/glassTubeFG_1_TVOS.png"};
-		aquarium_begin.add_component<Sprite>(aquarium_begin_asset, Sprite::Data{
-																	   .sorting_in_layer = 4,
-																	   .order_in_layer = 0,
-																	   .size = vec2(0, 800),
-																   });
-		begin_x += 600;
-
-		GameObject aquarium_middle_1
-			= scn.new_object("aquarium_middle", "background", vec2(begin_x, 0));
-		Asset aquarium_middle_1_asset{
-			"asset/jetpack_joyride/background/aquarium/glassTubeFG_3_TVOS.png"};
-		aquarium_middle_1.add_component<Sprite>(aquarium_middle_1_asset,
-												Sprite::Data{
-													.sorting_in_layer = 4,
-													.order_in_layer = 2,
-													.size = vec2(0, 800),
-												});
-		begin_x += 400;
-
-		this->add_background(scn, begin_x - 200);
-
-		GameObject aquarium_middle_2
-			= scn.new_object("aquarium_middle", "background", vec2(begin_x, 0));
-		Asset aquarium_middle_2_asset{
-			"asset/jetpack_joyride/background/aquarium/glassTubeFG_3_TVOS.png"};
-		aquarium_middle_2.add_component<Sprite>(aquarium_middle_2_asset,
-												Sprite::Data{
-													.sorting_in_layer = 4,
-													.order_in_layer = 3,
-													.size = vec2(0, 800),
-												});
-		begin_x += 400;
-
-		GameObject aquarium_middle_3
-			= scn.new_object("aquarium_middle", "background", vec2(begin_x, 0));
-		Asset aquarium_middle_3_asset{
-			"asset/jetpack_joyride/background/aquarium/glassTubeFG_3_TVOS.png"};
-		aquarium_middle_3.add_component<Sprite>(aquarium_middle_3_asset,
-												Sprite::Data{
-													.sorting_in_layer = 4,
-													.order_in_layer = 4,
-													.size = vec2(0, 800),
-												});
-		begin_x += 400;
-
-		this->add_background(scn, begin_x - 200);
-
-		GameObject aquarium_middle_4
-			= scn.new_object("aquarium_middle", "background", vec2(begin_x, 0));
-		Asset aquarium_middle_4_asset{
-			"asset/jetpack_joyride/background/aquarium/glassTubeFG_3_TVOS.png"};
-		aquarium_middle_4.add_component<Sprite>(aquarium_middle_4_asset,
-												Sprite::Data{
-													.sorting_in_layer = 4,
-													.order_in_layer = 5,
-													.size = vec2(0, 800),
-												});
-		begin_x += 600;
-
-		this->add_background(scn, begin_x);
-
-		GameObject aquarium_end
-			= scn.new_object("aquarium_end", "background", vec2(begin_x, 0));
-		Asset aquarium_end_asset{
-			"asset/jetpack_joyride/background/aquarium/glassTubeFG_2_TVOS.png"};
-		aquarium_end.add_component<Sprite>(aquarium_end_asset, Sprite::Data{
-																   .sorting_in_layer = 4,
-																   .order_in_layer = 1,
-																   .size = vec2(0, 800),
-															   });
-		begin_x += 600;
-
-		return begin_x;
-	}
-
-private:
-	void add_background(Scene & scn, float begin_x) {
-		GameObject bg_1
-			= scn.new_object("aquarium_bg_1", "aquarium_background", vec2(begin_x, 0));
-		Asset bg_1_1_asset{"asset/jetpack_joyride/background/aquarium/AquariumBG1_1_TVOS.png"};
-		bg_1.add_component<Sprite>(bg_1_1_asset, Sprite::Data{
-													 .sorting_in_layer = 3,
-													 .order_in_layer = 2,
-													 .size = vec2(0, 400),
-													 .position_offset = vec2(-200, 100),
-												 });
-		Asset bg_1_2_asset{"asset/jetpack_joyride/background/aquarium/AquariumBG1_2_TVOS.png"};
-		bg_1.add_component<Sprite>(bg_1_2_asset, Sprite::Data{
-													 .sorting_in_layer = 3,
-													 .order_in_layer = 2,
-													 .size = vec2(0, 400),
-													 .position_offset = vec2(200, 100),
-												 });
-		GameObject bg_2
-			= scn.new_object("aquarium_bg_2", "aquarium_background", vec2(begin_x, 0));
-		Asset bg_2_1_asset{"asset/jetpack_joyride/background/aquarium/AquariumBG2_1_TVOS.png"};
-		bg_2.add_component<Sprite>(bg_2_1_asset, Sprite::Data{
-													 .sorting_in_layer = 3,
-													 .order_in_layer = 1,
-													 .size = vec2(0, 400),
-													 .position_offset = vec2(200, -50),
-												 });
-		Asset bg_2_2_asset{"asset/jetpack_joyride/background/aquarium/AquariumBG2_2_TVOS.png"};
-		bg_2.add_component<Sprite>(bg_2_2_asset, Sprite::Data{
-													 .sorting_in_layer = 3,
-													 .order_in_layer = 1,
-													 .size = vec2(0, 400),
-													 .position_offset = vec2(-200, -50),
-												 });
-		GameObject bg_3
-			= scn.new_object("aquarium_bg_3", "aquarium_background", vec2(begin_x, 0));
-		Asset bg_3_1_asset{"asset/jetpack_joyride/background/aquarium/AquariumBG3_1_TVOS.png"};
-		bg_3.add_component<Sprite>(bg_3_1_asset, Sprite::Data{
-													 .sorting_in_layer = 3,
-													 .order_in_layer = 0,
-													 .size = vec2(0, 400),
-													 .position_offset = vec2(200, -200),
-												 });
-		Asset bg_3_2_asset{"asset/jetpack_joyride/background/aquarium/AquariumBG3_2_TVOS.png"};
-		bg_3.add_component<Sprite>(bg_3_2_asset, Sprite::Data{
-													 .sorting_in_layer = 3,
-													 .order_in_layer = 0,
-													 .size = vec2(0, 400),
-													 .position_offset = vec2(-200, -200),
-												 });
-	}
-};
-
-class Background {
-public:
-	Background(Scene & scn) {
-		Start start;
-		Hallway hallway;
-		Forest forest;
-		Aquarium aquarium;
-
-		float begin_x = 0;
-
-		begin_x = start.create(scn, begin_x);
-
-		begin_x = hallway.create(scn, begin_x, 1, Color::YELLOW);
-
-		begin_x = forest.create(scn, begin_x, "1");
-
-		begin_x = hallway.create(scn, begin_x, 2, Color::MAGENTA);
-
-		begin_x = aquarium.create(scn, begin_x);
-
-		begin_x = hallway.create(scn, begin_x, 3, Color::CYAN);
-
-		begin_x = forest.create(scn, begin_x, "2");
-
-		begin_x = hallway.create(scn, begin_x, 4, Color::GREEN);
-
-		begin_x = aquarium.create(scn, begin_x);
-	}
-};
-
 class MoveCameraScript : public Script {
 public:
 	void init() {
diff --git a/src/example/rendering_particle.cpp b/src/example/rendering_particle.cpp
deleted file mode 100644
index 13e625f..0000000
--- a/src/example/rendering_particle.cpp
+++ /dev/null
@@ -1,95 +0,0 @@
-#include "api/Asset.h"
-#include <crepe/Component.h>
-#include <crepe/api/Animator.h>
-#include <crepe/api/Button.h>
-#include <crepe/api/Camera.h>
-#include <crepe/api/Color.h>
-#include <crepe/api/GameObject.h>
-#include <crepe/api/LoopManager.hpp>
-#include <crepe/api/ParticleEmitter.h>
-#include <crepe/api/Rigidbody.h>
-#include <crepe/api/Sprite.h>
-#include <crepe/api/Transform.h>
-#include <crepe/manager/ComponentManager.h>
-#include <crepe/manager/Mediator.h>
-#include <crepe/types.h>
-#include <iostream>
-
-using namespace crepe;
-using namespace std;
-
-/*
-	auto & test = game_object.add_component<ParticleEmitter>(ParticleEmitter::Data{
-		.position = {0, 0},
-		.max_particles = 10,
-		.emission_rate = 0.1,
-		.min_speed = 6,
-		.max_speed = 20,
-		.min_angle = -20,
-		.max_angle = 20,
-		.begin_lifespan = 0,
-		.end_lifespan = 60,
-		.force_over_time = vec2{0, 0},
-		.boundary{
-			.width = 1000,
-			.height = 1000,
-			.offset = vec2{0, 0},
-			.reset_on_exit = false,
-		},
-		.sprite = test_sprite,
-	});
-	*/
-
-class TestScene : public Scene {
-public:
-	void load_scene() {
-
-		cout << "TestScene" << endl;
-		Mediator & mediator = this->mediator;
-		ComponentManager & mgr = mediator.component_manager;
-		GameObject game_object = mgr.new_object("", "", vec2{0, 0}, 0, 1);
-
-		Color color(255, 255, 255, 255);
-
-		Asset img{"asset/spritesheet/spritesheet_test.png"};
-
-		Sprite & test_sprite = game_object.add_component<Sprite>(
-			img, Sprite::Data{
-					 .color = color,
-					 .flip = Sprite::FlipSettings{false, false},
-					 .sorting_in_layer = 2,
-					 .order_in_layer = 2,
-					 .size = {0, 100},
-					 .angle_offset = 0,
-					 .position_offset = {0, 0},
-				 });
-
-		//auto & anim = game_object.add_component<Animator>(test_sprite,ivec2{32, 64}, uvec2{4,1}, Animator::Data{});
-		//anim.set_anim(0);
-
-		auto & cam = game_object.add_component<Camera>(ivec2{720, 1280}, vec2{400, 400},
-													   Camera::Data{
-														   .bg_color = Color::WHITE,
-													   });
-
-		function<void()> on_click = [&]() { cout << "button clicked" << std::endl; };
-		function<void()> on_enter = [&]() { cout << "enter" << std::endl; };
-		function<void()> on_exit = [&]() { cout << "exit" << std::endl; };
-
-		auto & button
-			= game_object.add_component<Button>(vec2{200, 200}, vec2{0, 0}, on_click, false);
-		button.on_mouse_enter = on_enter;
-		button.on_mouse_exit = on_exit;
-		button.is_toggle = true;
-		button.active = true;
-	}
-
-	string get_name() const { return "TestScene"; };
-};
-
-int main(int argc, char * argv[]) {
-	LoopManager engine;
-	engine.add_scene<TestScene>();
-	engine.start();
-	return 0;
-}