for(unsigned i=0; i<level+2; ++i)
{
asteroids.emplace_back(stage.get_root(), asteroid_setup);
asteroids.back()->get_transform()->set_position({ sdist(rng)*32, sdist(rng)*18, 0.0f });
for(unsigned i=0; i<level+2; ++i)
{
asteroids.emplace_back(stage.get_root(), asteroid_setup);
asteroids.back()->get_transform()->set_position({ sdist(rng)*32, sdist(rng)*18, 0.0f });