9 files changed, 29 insertions, 26 deletions
diff --git a/src/crepe/CMakeLists.txt b/src/crepe/CMakeLists.txt
index afaa74c..1b4b1c2 100644
--- a/src/crepe/CMakeLists.txt
+++ b/src/crepe/CMakeLists.txt
@@ -13,6 +13,7 @@ target_sources(crepe PUBLIC
 	CollisionSystem.cpp
 	Collider.cpp
 	SdlContext.cpp
+
 	RenderSystem.cpp
 )
 
@@ -20,9 +21,7 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES
 	Asset.h
 	Sound.h
 	SoundContext.h
-	ParticleSystem.h
-	Particle.h
-	SDLApp.h
+	SdlContext.h
 	ComponentManager.h
 	ComponentManager.hpp
 	Component.h
diff --git a/src/crepe/RenderSystem.cpp b/src/crepe/RenderSystem.cpp
index 6aae3bb..b5503d3 100644
--- a/src/crepe/RenderSystem.cpp
+++ b/src/crepe/RenderSystem.cpp
@@ -6,7 +6,6 @@
 #include "api/Sprite.h"
 #include "api/Transform.h"
 #include "util/log.h"
-#include <cstddef>
 #include <functional>
 #include <vector>
 
@@ -17,25 +16,27 @@ RenderSystem::RenderSystem() { dbg_trace(); }
 
 RenderSystem::~RenderSystem() { dbg_trace(); }
 
-RenderSystem& RenderSystem::get_instance(){
+RenderSystem & RenderSystem::get_instance() {
 	static RenderSystem instance;
 	return instance;
 }
 
 void RenderSystem::update() {
 
-	ComponentManager& mgr = ComponentManager::get_instance();
-	
-	std::vector<std::reference_wrapper<Sprite>> sprites = mgr.get_components_by_type<Sprite>();
-	std::vector<std::reference_wrapper<Transform>> transforms = mgr.get_components_by_type<Transform>();
+	ComponentManager & mgr = ComponentManager::get_instance();
 
-	SdlContext& render = SdlContext::get_instance();
+	std::vector<std::reference_wrapper<Sprite>> sprites
+		= mgr.get_components_by_type<Sprite>();
+
+	SdlContext & render = SdlContext::get_instance();
 	render.clear_screen();
 
-	for (size_t i = 0; i < sprites.size(); ++i) {
-			render.draw(sprites[i].get(), transforms[i].get());
-	}
+	for (const Sprite & sprite : sprites) {
+		std::vector<std::reference_wrapper<Transform>> transforms = mgr.get_components_by_id<Transform>(sprite.gameObjectId);
+		for (const Transform& transform : transforms) {
+			render.draw(sprite, transform);
+		}
 
+	}
 	render.present_screen();
-
 }
diff --git a/src/crepe/SdlContext.cpp b/src/crepe/SdlContext.cpp
index cc5148c..09d9c9b 100644
--- a/src/crepe/SdlContext.cpp
+++ b/src/crepe/SdlContext.cpp
@@ -57,7 +57,7 @@ SdlContext::SdlContext() {
 
 	m_game_window = SDL_CreateWindow(
 		"Crepe Game Engine", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
-		1920, 1080, SDL_WINDOW_HIDDEN);
+		1920, 1080, SDL_WINDOW_SHOWN);
 	if (!m_game_window) {
 		std::cerr << "Window could not be created! SDL_Error: "
 				  << SDL_GetError() << std::endl;
diff --git a/src/crepe/api/CMakeLists.txt b/src/crepe/api/CMakeLists.txt
index f6de96e..f2d45eb 100644
--- a/src/crepe/api/CMakeLists.txt
+++ b/src/crepe/api/CMakeLists.txt
@@ -4,13 +4,14 @@ target_sources(crepe PUBLIC
 	Script.cpp
 	GameObject.cpp
 	Rigidbody.cpp
-	Sprite.cpp
 	Force.cpp
 	ParticleEmitter.cpp
 	Transform.cpp
 	Color.cpp
 	Texture.cpp
 	AssetManager.cpp
+	Collider.cpp
+	Sprite.cpp
 )
 
 target_sources(crepe PUBLIC FILE_SET HEADERS FILES
@@ -21,9 +22,6 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES
 	GameObject.hpp
 	Rigidbody.h
 	Sprite.h
-	Force.h
-	ParticleEmitter.h
-	Transform.h
 	Point.h
 	Color.h
 	Texture.h 
diff --git a/src/crepe/api/Rigidbody.h b/src/crepe/api/Rigidbody.h
index b7a0064..e59e217 100644
--- a/src/crepe/api/Rigidbody.h
+++ b/src/crepe/api/Rigidbody.h
@@ -3,7 +3,7 @@
 #include "../Component.h"
 #include <cstdint>
 
-namespace crepe::api {
+namespace crepe::api{
 
 enum class BodyType {
     Static,     // Does not move (e.g. walls, ground ...)
diff --git a/src/crepe/api/Sprite.cpp b/src/crepe/api/Sprite.cpp
index d9e26ab..3cc263e 100644
--- a/src/crepe/api/Sprite.cpp
+++ b/src/crepe/api/Sprite.cpp
@@ -1,8 +1,10 @@
 
 
 #include "Sprite.h"
+#include "Component.h"
 #include "api/Texture.h"
 #include "util/log.h"
+#include <cstdint>
 #include <memory>
 #include <utility>
 
@@ -10,8 +12,8 @@ using namespace std;
 using namespace crepe;
 using namespace crepe::api;
 
-Sprite::Sprite(shared_ptr<Texture> image, const Color & color,
-			   const flip_settings & flip) : color(color), flip(flip), sprite_image(image) {
+Sprite::Sprite(uint32_t id, shared_ptr<Texture> image, const Color & color,
+			   const flip_settings & flip) : Component(id), color(color), flip(flip), sprite_image(image) {
 	dbg_trace();
 }
 
diff --git a/src/crepe/api/Sprite.h b/src/crepe/api/Sprite.h
index 920f91e..3d9e911 100644
--- a/src/crepe/api/Sprite.h
+++ b/src/crepe/api/Sprite.h
@@ -17,7 +17,7 @@ struct flip_settings{
 class Sprite : public Component {
 	
 public:
-	Sprite(std::shared_ptr<Texture> image, const Color& color, const flip_settings& flip );
+	Sprite(uint32_t game_id, std::shared_ptr<Texture> image, const Color& color, const flip_settings& flip );
 	~Sprite();
 	std::shared_ptr<Texture> sprite_image;
 	Color color;
diff --git a/src/crepe/api/Transform.cpp b/src/crepe/api/Transform.cpp
index c83461f..4f22843 100644
--- a/src/crepe/api/Transform.cpp
+++ b/src/crepe/api/Transform.cpp
@@ -1,13 +1,15 @@
 
 
 #include "Transform.h"
+#include "Component.h"
 #include "api/Point.h"
 #include "util/log.h"
+#include <cstdint>
 
 using namespace crepe::api;
 
-Transform::Transform(Point & point, double rot, double scale)
-	: position(point), rotation(rot), scale(scale) {
+Transform::Transform(uint32_t game_id, Point & point, double rot, double scale)
+	: Component(game_id), position(point), rotation(rot), scale(scale) {
 	dbg_trace();
 }
 Transform::~Transform() { dbg_trace(); }
diff --git a/src/crepe/api/Transform.h b/src/crepe/api/Transform.h
index a34ebb1..29e2a3d 100644
--- a/src/crepe/api/Transform.h
+++ b/src/crepe/api/Transform.h
@@ -2,11 +2,12 @@
 
 #include "Component.h"
 #include "api/Point.h"
+#include <cstdint>
 namespace crepe::api {
 
 class Transform : public Component {
 public:
-	Transform(Point&, double, double);
+	Transform(uint32_t id, Point&, double, double);
 	~Transform();
 	Point position; // Translation (shift)
 	double rotation; // Rotation, in radians