feat: complete the game

circleshape.py

@@ -0,0 +1,28 @@
+from typing import Self
+
+import pygame
+
+
+class CircleShape(pygame.sprite.Sprite):
+    containers: tuple[pygame.sprite.Group, ...]
+
+    def __init__(self, x: float, y: float, radius: float) -> None:
+        if hasattr(self, "containers"):
+            super().__init__(*self.containers)
+        else:
+            super().__init__()
+
+        self.position: pygame.Vector2 = pygame.Vector2(x, y)
+        self.velocity = pygame.Vector2(0, 0)
+        self.radius = radius
+
+    def draw(self, screen: pygame.Surface) -> None:
+        pass
+
+    def update(self, dt: float) -> None:
+        pass
+
+    def collides_with(self, other: Self) -> bool:
+        d = self.position.distance_to(other.position)
+        r = self.radius + other.radius
+        return d < r