Increase min distance asteroids spawn at

game.c

@@ -25,7 +25,7 @@
 #define ASTEROID_MEDIUM 0.1
 #define ASTEROID_LARGE 0.15
 #define ASTEROID_R_JITTER 0.02
-#define ASTEROID_MIN_DIST 0.5
+#define ASTEROID_MIN_DIST 0.8
 
 #define LIN_PWR 0.0001
 #define ROT_PWR 0.002
@@ -171,7 +171,7 @@ static entity_t *gen_asteroid(float r_mean)
 	return e;
 }
 
-static void add_asteroid()
+static void spawn_asteroid()
 {
 	float r;
 	const float rnd = rng_canon();
@@ -341,7 +341,7 @@ void game_init(float _aspect)
 	memcpy(fire->verts, fire_verts, sizeof(fire_verts));
 
 	for (unsigned i = 0; i < INIT_ASTEROIDS; ++i)
-		add_asteroid();
+		spawn_asteroid();
 }
 
 void game_update()