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Animated Weather Overlays

Animated Weather Overlays

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Weather Overlays is a collection of animations to aid in setting the mood during wilderness encounters. Please note not all virtual tabletops support animations yet. If you'd like an example, you can watch the following youtube video that showcases each type of effect:

The effects you can find in the pack are:

  • Fog
  • Fog (thick)
  • Rain
  • Rain (top down)
  • Rain Storm
  • Snow
  • Snow (top down)
  • Dust Motes / Bokeh

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Discussions (4)
Customer avatar
Juan Manuel N May 05, 2021 8:23 am UTC
I want to purchase this pack but don't know in what format it comes and also I want to know if roll20 takes it.
Customer avatar
Nicolas S May 05, 2021 9:21 am UTC
Hi Juan Manuel,

The animations come in webm format, however they are also sold on the Roll20 Marketplace. If you'll be using them in that VTT I'd recommend you purchase them there, as uploading animations to Roll20 tends to take an extremely long time.

Customer avatar
Benjamin J July 30, 2020 12:48 pm UTC
Hi Nicolas,

I just bought your animated weather overlay pack. But i didn't check if my softwar (mastertoolkit from arkenforge) can take .webm. So i can convert the webm into gif and png sequence (with alpha) but the render is not the same with what i saw on video presentation. With rain from top the rain drops are very big. I suppose Roll20 can interprate a media like an alpha cache and manage the inlay. How can i have the same render in a gif or png sequance ?
Customer avatar
Nicolas S July 30, 2020 7:14 pm UTC
Hi Benjamin,

Roll20 does nothing special to the webm files, if anything there's a loss in quality as they re-compress them. What formats are supported by Arkenforge?

If you can import a PNG sequence into it that should work fine, however a GIF will not be possible as its transparency is always 100% or completely opaque, which wouldn't work with any of the effects as you'll end up with completely white blobs.

Make sure you're using the correct files: You have A (cropped) and B (shrunk) versions of each effects at different resolutions. The B version will give you the smallest particle effects.

Customer avatar
John K June 28, 2019 8:31 pm UTC
Hi Nicholas,

I purchased the Weather Overlays in Roll20 and am noticing two issues:

a) there's a flash when the animation restarts

b) more significant, the animation settings are apparently set to loop a specific amount of times instead of infinitely. I've tried several sizes of the heavy fog files and they all ultimately turn to an opaque grey, blocking everything underneath. -- The only way to get the animation back is to reload the map, which is not practical. This makes those tiles unusable imo.
Customer avatar
Nicolas S June 28, 2019 9:17 pm UTC
Hi John,

I'm sorry to hear you're having trouble with the animations. I can assure you they work perfectly fine as-is, but the Roll20 platform seems to still be having problems rendering all animations properly, especially large ones such as these. If you want to test them outside Roll20, you can see how they work in your browser here:

They were supposed to solve all these problems and add new features if they released their "Layer Up" update back in April, which was also going to add a layer specifically for animations and other improvements, but they keep pushing it to focus on their Fog of War issues which is why I haven't released any new animated packs on that platform yet. The first problem you're encountering was in theory resolved already, as can be seen on the Animation Feedback thread here: more
Customer avatar
John K June 28, 2019 10:08 pm UTC
Hi Nicolas,

First, I just wanted to say that the effect is quite nice. This is the best fog effect I've seen and really contributes to that creepy feel. Nicely done!

Second, the overlay does seem to be working quite nicely in Firefox but still not in Chrome, where it ultimately becomes opaque, this after updating Chrome and trying it again without hardware acceleration. I'm not sure I'm in the position to prescribe which browser client to use to my players. But wanted you to know that I was able to get it to work in FF and to offer that verification of your recommendation for DMs in case they run into that same issue.
Customer avatar
Nicolas S June 28, 2019 10:31 pm UTC
Hi John,

Thank you for the kind words and for letting me know about your tests. I completely understand, I don't think forcing your players to potentially use an unfamiliar browser is an ideal situation; hopefully it's something Roll20 will be fixing soon. If you'll allow me to make it up to you in the meantime, I'd like to send you a copy of your choosing of any of my products on Roll20 or here if you prefer. Just send me a private message ( with your Roll20 or DTRPG account's email and the pack you'd like and I'll send it your way. I know it's not the same as the weather effects, but I hope it's something all your players will be able to enjoy until those are working properly for everyone.

Customer avatar
Eric L April 04, 2019 10:06 pm UTC
Hello. I watched the YouTube video, and the effects look amazing. The video’s caption noted the animations are intended to be used with Roll20. Do you know what other programs are compatible with the animations, and specifically, do you know if they work with MapTool? Thanks!
Customer avatar
Nicolas S April 05, 2019 10:16 am UTC
Hi Eric, thank you for the kind words!
The video does indeed mention Roll20, but that's simply because it was the only place they were being sold during release. If you were going to use them there however, I suggest buying from their marketplace as uploading animations to that platform takes ages, and they can be a tad slow until their "layer up" update coming in about a month.
As far as I can see, MapTool doesn't support animations, but it's not a platform I use so I can't be 100% sure. You might have better luck asking in their forums (If needed, you can mention these are transparent webm files, encoded with VP8). Regarding other platforms that support them, I believe Astral will be one of them very soon with their 2.0 update around the corner, and Arkenforge might already do so (I haven't tested there yet to see their performance and compatibility with this kind of files, but I will soon). There might be others, but I'm still working on compiling a list of supported platforms.
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File Last Updated:
April 04, 2019
This title was added to our catalog on April 04, 2019.