/// <summary>
/// Draw everything in the world.
/// </summary>
/// <param name="spriteBatch"></param>
public void Draw(SpriteBatch spriteBatch)
{
spriteBatch.Begin();
popultion.Draw(spriteBatch);
leftTramp.Draw(spriteBatch);
rightTramp.Draw(spriteBatch);
blocker.Draw(spriteBatch);
spriteBatch.End();
}
