Yes, I'm sure it is. But what isn't happening? You asked "Why does nothing happen"? Without telling us what's meant to happen. Showing us some code doesn't count as an explanation, because if it's not doing what you want, then the code is wrong, and so the code can't tell us what you want either. Did you make the change Xarthor mentioned so you don't freeze in an infinite loop?

When you seek help you need to be clear. I'll assume it's meant to make everything slow down when the blade is within 1000 quants of the player. But you haven't shown us your other code. Do you know how time_factor works?

Nothing will slow down if you don't multiply their speeds by time_step.

I don't want to put you down at all. I really want to be helpful. So please make your questions clear and show people what your problem is, what you're expecting, why you're expecting it, and relevant code (in [code] tags).

Jibb