splitting asteroids, game done

asteroid.py

@@ -1,5 +1,8 @@
 from circleshape import CircleShape
 import pygame
+import random
+
+from constants import ASTEROID_MIN_RADIUS
 
 class Asteroid(CircleShape):
     def __init__(self, x, y, radius):
@@ -11,3 +14,23 @@ class Asteroid(CircleShape):
 
     def update(self, dt):
         self.position += self.velocity * dt
+
+    def split(self):
+        self.kill()
+
+        if self.radius <= ASTEROID_MIN_RADIUS:
+            return
+        else:
+            angle = random.uniform(20, 50)
+            rand_angle1 = self.position.rotate(angle)
+            rand_angle2 = self.position.rotate(-angle)
+
+            new_radius = self.radius - ASTEROID_MIN_RADIUS
+
+            asteroid1 = Asteroid(self.position.x, self.position.y, new_radius)
+            asteroid1.velocity = rand_angle1 * 1.2
+            asteroid2 = Asteroid(self.position.x, self.position.y, new_radius)
+            asteroid2.velocity = rand_angle2 * 1.2
+
+
+