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Many experienced Pyro players coming into TF2 Classic have reported flames feeling off. This is often chalked up to the flames in TF2 Classic being slower than their Live TF2 counterparts, and it's true that they are. There is way more going on behind the scenes, however. When you are moving and shooting, flames will inherit your velocity; if you move forward/backward, they will move faster/slower. While this does not increase or decrease your range, it also means that moving to the side causes your flames to move to the side. They veer off course, which results in situations like the following:


Fixing this serverside was easy: you simply calculate a relative velocity in the direction the Pyro is looking. For the client this is a much trickier issue. Source particles are handled at an engine level, which we don't have access to, and there is no existing function to calculate the relative velocity. This also means we have no easy way to line the flames up with the hitboxes directly, like in Live TF2.

We had to get a bit creative, and after pursuing several options (one of which involved a floating nail that would send its speed to the flames), we discovered that if we simply edit a set of coordinates every frame, and send that to the particle, then the particle can treat it as a velocity value and send the flames in the correct direction. So, in Update 2.2, flames will have new physics that reward leading your shots and sporadic movement. Here is a diagram of the difference:


That's all for this series of posts! Don't worry—you'll be hearing from us again soon!

Hi there! What a year. We have lots of stuff to go over!

Just a few days ago, we released our latest update: the 2.1.3 Patch! It comes complete with weapon rebalances and reworks, visual overhauls, and plenty of brand new festivities. As usual, a few members of the team decided to make a fun little preview video. This was initially uploaded to Twitter or X or whatever, but now you can view it here on the blog or on YouTube!


Speaking of the blog, we haven't forgotten about our community roundups! We've taken a look through all of your awesome submissions, and plan to feature submissions each month, starting in 2024! We're always looking for community content to feature on our socials, so please be sure to email us if you'd like the chance to have your stuff shown off!

Last but not least, we would like to thank everyone in the community for all of their kind comments and feedback this year, and everyone who made the Fight or Flight update possible. It's been a very long road. All that leaves now is the eternal question: when is the next update? And the answer is... soon! Very soon! Early 2024 soon! We won't reveal too much yet, but we have been working on some pretty interesting stuff, and we can't wait for everyone to get their hands on it.

That's all for now. Happy holidays, and here's to 2024!

The Fight or Flight Update is officially out! We are all absolutely blown away by the positive reception already. To celebrate the release, our very own Waugh101 along with beta tester Mr. Skullium created this awesome trailer:


In other news, you can also now view all update pages in one sitting! A little birdie told me the artwork page has been updated with something... very rectangular.

And if you somehow still haven't yet, you can download the update right now! Our downloader was recently lovingly overhauled by sniffy194 and Technochips. It should now do a much better job at applying patches, among other things. (Please bear with us! There's been so many download requests that everything may take a bit!)

All in all, we're very happy to finally be able to deliver this update to everyone. As some of you may know, it's been the team's labor of love for a long time, and we're excited to show you what we're working on next.

Stay tuned for more blog posts, fix + rebalance patches, and 2.2.0 in the near future! (Don't worry, we promise it won't take as long.)