diff --git a/src/asteroids.rs b/src/asteroids.rs
index bb1d826..332033d 100644
--- a/src/asteroids.rs
+++ b/src/asteroids.rs
@@ -7,8 +7,8 @@ pub enum AsteroidSize {
 }
 pub struct Asteroid {
     pub pos: Vec2,
-    vel: Vec2,
-    size: AsteroidSize,
+    pub vel: Vec2,
+    pub size: AsteroidSize,
     sides: u8,
     radius: f32,
     rot: f32,
@@ -20,8 +20,8 @@ impl Asteroid {
     pub fn new(size: AsteroidSize) -> Self {
         let (sides, radius) = match size {
             AsteroidSize::Large => (gen_range(6, 10), gen_range(40., 50.)),
-            AsteroidSize::Medium => (gen_range(5, 6), gen_range(20., 30.)),
-            AsteroidSize::Small => (gen_range(3, 5), gen_range(12., 18.)),
+            AsteroidSize::Medium => (gen_range(5, 6), gen_range(30., 40.)),
+            AsteroidSize::Small => (gen_range(3, 5), 20.),
         };
         let mut r = vec2(
             if gen_range(0., 1.) > 0.5 { -1. } else { 1. },
@@ -50,6 +50,13 @@ impl Asteroid {
         }
     }
 
+    pub fn new_from(pos: Vec2, vel: Vec2, size: AsteroidSize) -> Self {
+        let mut asteroid = Asteroid::new(size);
+        asteroid.pos = pos;
+        asteroid.vel = vel;
+        asteroid
+    }
+
     pub fn check_collision(&mut self, pos: Vec2) -> bool {
         let collided = (pos.x - self.pos.x) * (pos.x - self.pos.x)
             + (pos.y - self.pos.y) * (pos.y - self.pos.y)
diff --git a/src/player.rs b/src/player.rs
index 9a4bf94..5bdb6b0 100644
--- a/src/player.rs
+++ b/src/player.rs
@@ -26,13 +26,14 @@ impl Player {
         }
     }
 
-    pub fn check_bullet_collisions(&mut self, asteroid: &mut Asteroid) {
+    pub fn check_bullet_collisions(&mut self, asteroid: &mut Asteroid) -> bool {
         for bullet in &mut self.bullets {
             if asteroid.check_collision(bullet.pos) {
                 bullet.alive = false;
-                return;
+                return true;
             }
         }
+        false
     }
 
     pub fn update(&mut self) {
diff --git a/src/world.rs b/src/world.rs
index e95e08b..c0440dc 100644
--- a/src/world.rs
+++ b/src/world.rs
@@ -20,15 +20,45 @@ impl World {
 
     pub fn update(&mut self) {
         self.player.update();
-        // println!("{}", self.asteroids.len());
+        let mut to_add: Vec<Asteroid> = Vec::new();
         for asteroid in &mut self.asteroids {
             asteroid.update();
-            self.player.check_bullet_collisions(asteroid);
+            if self.player.check_bullet_collisions(asteroid) {
+                match asteroid.size {
+                    AsteroidSize::Large => {
+                        let rand = vec2(gen_range(-50., 50.), gen_range(-50., 50.));
+                        to_add.push(Asteroid::new_from(
+                            asteroid.pos,
+                            asteroid.vel + rand,
+                            AsteroidSize::Medium,
+                        ));
+                        to_add.push(Asteroid::new_from(
+                            asteroid.pos,
+                            asteroid.vel - rand,
+                            AsteroidSize::Medium,
+                        ));
+                    }
+                    AsteroidSize::Medium => {
+                        let rand = vec2(gen_range(-30., 30.), gen_range(-30., 30.));
+                        to_add.push(Asteroid::new_from(
+                            asteroid.pos,
+                            asteroid.vel + rand,
+                            AsteroidSize::Small,
+                        ));
+                        to_add.push(Asteroid::new_from(
+                            asteroid.pos,
+                            asteroid.vel - rand,
+                            AsteroidSize::Small,
+                        ));
+                    }
+                    _ => {}
+                }
+            }
         }
+        self.asteroids.append(&mut to_add);
         self.asteroids.retain(|asteroid| asteroid.alive);
         if self.asteroids.len() < 5 {
             self.asteroids.push(Asteroid::new(AsteroidSize::Large));
-            // println!("Added {}", get_time());
         }
     }