user21362: What is the name of this type of transition in this video? How can I recreate it in Sony Vegas or other video software?

user21362: Found this double linear wipe as "Barn doors" transition in Sony Vegas video editor.

21362: <p>What is the name of this type of transition <a href="https://player.vimeo.com/video/254489721" rel="nofollow noreferrer">in this video</a>? How can I recreate it in Sony Vegas or other video software?</p>
 21362: <p>Found this double linear wipe as <em>"Barn doors"</em> transition in Sony Vegas video editor.</p>
