feat(game): add Timer

src/game/timer.py

@@ -0,0 +1,32 @@
+from typing import Callable, Optional
+
+import pygame
+from attrs import define, field
+
+
+@define
+class Timer:
+    duration: int = field(converter=int)
+    repeated: bool = field(default=False)
+    func: Optional[Callable[[None], None]] = field(default=None)
+    start_time: int = 0
+    active: bool = False
+
+    def activate(self) -> None:
+        self.active = True
+        self.start_time = pygame.time.get_ticks()
+
+    def deactivate(self) -> None:
+        self.active = False
+        self.start_time = 0
+
+    def update(self) -> None:
+        current_time = pygame.time.get_ticks()
+        if current_time - self.start_time >= self.duration and self.active:
+            if self.func and self.start_time:
+                self.func()
+
+            self.deactivate()
+
+            if self.repeated:
+                self.activate()