public void GenerateAsteroids()
{
asteroids = new List <GameObject>();
for (int i = 0; i < nAsteroids; ++i)
{
GameObject obstacle = DynamicPool.instance.GetObj(DynamicPool.objType.Asteroid);
asteroids.Add(obstacle);
curve.AddObstacleToCurve(obstacle, Obstacle.obstType.Mesh);
}
}