diff --git a/componenets.odin b/componenets.odin
index 9e73ff0..b3599dc 100644
--- a/componenets.odin
+++ b/componenets.odin
@@ -2,6 +2,13 @@ package shoal
 
 import rl "vendor:raylib"
 
+WindowComponent :: struct {
+	width:  i32,
+	height: i32,
+	title:  string,
+}
+Window: Storage(WindowComponent)
+
 SpriteComponent :: struct {
 	texture: rl.Texture2D,
 }
@@ -9,6 +16,6 @@ Sprite: Storage(SpriteComponent)
 
 TransformComponent :: struct {
 	translation: rl.Vector2,
-	rotation:    int,
+	rotation:    f32,
 }
 Transform: Storage(TransformComponent)
diff --git a/ecs.odin b/ecs.odin
index 4a9ad06..64c6f24 100644
--- a/ecs.odin
+++ b/ecs.odin
@@ -1,5 +1,6 @@
 package shoal
 
+import "core:strings"
 import rl "vendor:raylib"
 
 STARTUP := 0
@@ -30,15 +31,18 @@ add_plugin :: proc(app: ^App, plugin: proc(app: ^App)) {
 }
 
 run :: proc(app: ^App, entity_limit: int = 1000) {
-	rl.InitWindow(800, 600, "shoal window")
-	defer rl.CloseWindow()
-
 	for p in app.plugins {
 		p(app)
 	}
-
 	for i in app.startup_systems {i()}
+
+	_, window := single(&Window)
+	rl.InitWindow(window.width, window.height, strings.clone_to_cstring(window.title))
+	defer rl.CloseWindow()
+
+	rl.SetTargetFPS(60)
 	for !rl.WindowShouldClose() {
+		rl.ClearBackground(rl.WHITE)
 		for i in app.update_systems {i()}
 		rl.BeginDrawing()
 		for i in app.draw_systems {i()}
diff --git a/entities.odin b/entities.odin
index c5ee4f5..03ecc71 100644
--- a/entities.odin
+++ b/entities.odin
@@ -15,14 +15,30 @@ spawn_entity :: proc(app: ^App) -> Entity {
 	return entity
 }
 
-add_component :: proc(entity: Entity, storage: ^Storage($T)) {
+add_component :: proc {
+	add_fresh_component,
+	add_component_with_data,
+}
+
+add_fresh_component :: proc(entity: Entity, storage: ^Storage($T)) {
 	storage.data[entity] = T{}
 }
 
+add_component_with_data :: proc(entity: Entity, storage: ^Storage($T), component: T) {
+	storage.data[entity] = component
+}
+
 slice :: proc(storage: ^Storage($T)) -> map[Entity]T {
 	return storage.data
 }
 
+single :: proc(storage: ^Storage($T)) -> (Entity, ^T) {
+	for i, &v in slice(storage) {
+		return i, &v
+	}
+	return Entity{}, new(T)
+}
+
 get_component :: proc(entity: Entity, storage: ^Storage($T)) -> ^T {
 	if c, exists := &storage.data[entity]; exists {
 		return c
diff --git a/systems.odin b/systems.odin
index 22234d1..a06e137 100644
--- a/systems.odin
+++ b/systems.odin
@@ -4,11 +4,19 @@ import rl "vendor:raylib"
 
 DefaultPlugin :: proc(app: ^App) {
 	add_system(app, DRAW, draw_sprite)
+
+	display := spawn_entity(app)
+	add_component(
+		display,
+		&Window,
+		WindowComponent{width = 800, height = 600, title = "shoal window"},
+	)
 }
 
+
 draw_sprite :: proc() {
-	for i, &v in sprites.data {
-		sprite_transform := transforms.data[i]
+	for i, &v in slice(&Sprite) {
+		sprite_transform := get_component(i, &Transform)
 		rl.DrawTexture(
 			v.texture,
 			i32(sprite_transform.translation.x),