Limit refresh rate to 60 FPS

photoboite.py

@@ -59,6 +59,7 @@ class CaptureButton(Button):
             screen.blit(ren, topleft)
 
     def run(self):
+        print(self.photoboite.clock.get_fps())
         pygame.event.set_blocked((pygame.MOUSEBUTTONDOWN, pygame.MOUSEBUTTONUP))
         self.capture_mode = True
 
@@ -148,6 +149,8 @@ class Photoboite:
 
         self.font = pygame.font.Font(pygame.font.match_font('calibri'), 180)
 
+        self.clock = pygame.time.Clock()
+
 
     def screen(self):
         if os.getenv('DISPLAY'):
@@ -174,6 +177,8 @@ class Photoboite:
             return pygame.display.set_mode()
 
     def draw(self):
+        self.clock.tick(60)
+
         self.screen.fill(self.background)
 
         self.camera.draw_on(self.screen)