void ShootAsteroid()
{
nextShoot += Time.deltaTime;
if (nextShoot > levelTiming)
{
nextShoot = 0.0f;
float rnd = Random.value;
if (rnd > 0.75)
{
top.GenerateAsteroid();
}
else if (rnd > 0.50)
{
bottom.GenerateAsteroid();
}
else if (rnd > 0.25)
{
left.GenerateAsteroid();
}
else
{
right.GenerateAsteroid();
}
}
}
