support full screen gameplay

game/app.odin

@@ -3,29 +3,30 @@ package game
 import rl "vendor:raylib"
 
 run :: proc() {
-	rl.InitWindow(SCREEN_W, SCREEN_H, "Tower Defense")
-	defer rl.CloseWindow()
-	rl.SetTargetFPS(60)
+	init_display()
+	defer {
+		shutdown_display()
+		rl.CloseWindow()
+	}
 
 	world := init_world()
+	defer {
+		delete(world.path)
+		delete(world.towers)
+		delete(world.events)
+	}
 
 	for !rl.WindowShouldClose() {
 		dt := rl.GetFrameTime()
 
+		update_display()
 		update_world(&world, dt)
 
-		rl.BeginDrawing()
-		rl.ClearBackground(rl.Color{34, 139, 34, 255})
-
+		begin_game_draw()
 		render_world(&world)
 		render_overlay(&world)
 		render_controls(&world)
-		rl.EndDrawing()
+		end_game_draw()
 	}
-
-	delete(world.path)
-	delete(world.towers)
-	delete(world.events)
-
 }