Braid-like time mechanics

How would time-mechanics be implemented in construct?

Here are two ways to do it:
[url:55a4uz2e]http://www.scirra.com/forum/viewtopic.php?f=16&t=6291&hilit=braid[/url:55a4uz2e]

[url:55a4uz2e]http://www.scirra.com/forum/viewtopic.php?f=16&t=5962&hilit=braid[/url:55a4uz2e]