У вашего броузера проблема в совместимости с HTML5
Trying out the homing missile functionality in Unreal Engine 4 while building a rocket launcher for Switch. This is a very early WIP.
Grey Games - Mitch Manders & Tom Looman
More info & dev updates: http://tomlooman.com
Twitter: https://twitter.com/t_looman
Facebook: https://www.facebook.com/pages/Grey-Games/586023584819596