Pygame setup and fps label

game/game.py

@@ -0,0 +1,40 @@
+import pygame as pg
+import pygame_gui
+from constants import Config
+
+class Game():
+    def __init__(self, screen, clock, manager):
+        self.screen = screen
+        self.clock = clock
+        self.manager = manager
+        self.fps_label = pygame_gui.elements.UILabel(
+        relative_rect=pg.Rect((10, 10), (120, 40)),
+        text="FPS: 0",
+        manager=self.manager
+        )
+
+    def run(self):
+        self.running = True
+        while self.running:
+            self.clock.tick(Config.FPS)
+            self.update()
+            self.draw()
+        return self.running
+
+    def update(self):
+        fps = str(int(self.clock.get_fps()))
+        self.fps_label.set_text('fps: ' + fps)
+
+        for event in pg.event.get():
+            if event.type == pg.QUIT:
+                self.running = False
+
+            self.manager.process_events(event)
+
+        time_delta = self.clock.tick(Config.FPS)/1000.0
+        self.manager.update(time_delta)
+
+    def draw(self):
+        self.screen.fill(self.manager.get_theme().get_colour('normal_bg'))
+        self.manager.draw_ui(self.screen)
+        pg.display.update()