the game is gamin

asteroid.py

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+import random
+import pygame
+from circleshape import CircleShape
+from constants import ASTEROID_MIN_RADIUS
+
+class Asteroid(CircleShape):
+    def __init__(self, x, y, radius):
+        super().__init__(x, y, radius)
+
+    def draw(self, screen):
+        pygame.draw.circle(screen, "white", self.position, self.radius, 2)
+
+    def update(self, dt):
+        self.position += self.velocity * dt
+
+    def split(self):
+        self.kill()
+        if self.radius <= ASTEROID_MIN_RADIUS:
+            return
+
+        new_angle = random.uniform(20,50)
+        new_velocity_1 = self.velocity.rotate(new_angle)
+        new_velocity_2 = self.velocity.rotate(-new_angle)
+
+        new_radius = self.radius - ASTEROID_MIN_RADIUS
+
+        new_asteroid_1 = Asteroid(self.position[0], self.position[1], new_radius)
+        new_asteroid_2 = Asteroid(self.position[0], self.position[1], new_radius)
+
+        new_asteroid_1.velocity = new_velocity_1 * 1.2
+        new_asteroid_2.velocity = new_velocity_2 * 1.2