Fog of War

FogOfWar
Asset Store | User Guide
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Add Fog of War to your 3D RTS to hide elements from the player. FogOfWar is highly customizable to meet the needs of any RTS or adventure game that needs a thick shroud of mist around it.

Features:
- Works with 2D and 3D
- Varying map size
- Different fog colors and filters
- Queue-friendly tools
- Multithreading options
- Good performance
- Objects blocking line of sight
- View cones (using angles)
- Clear Fog (ie see through to background)
- See-through ground
- Works for both Orthographic and Perspective cameras
- Render to multiple cameras
- Save and load fog between plays
- Compatible with mobile devices

Feel free to ask any questions or request features!










Third Party Support
Fog Of War is now completely compatible with the RTS Engine asset. You can find the integration package here.

 

Hello, a while ago I downloaded this for my RTS. It's working great, except that if my program loses focus and regains it, the fog becomes entire darkness permanently. Can you do/teach me something about it?

Thanks.

 

Hi Pillowseller,

I have heard about this issue, but I haven't been able to reproduce it.
Is it happening in the unity editor or in your build?

 

Thanks for responding. It's happening in the test run. Haven't tested the actual build.

Unity version is 5.4.0f3 Personal. The OS is Win 10.

 

I have exactly the same setup but it doesn't seem to happen for me.

Can you try this for me: make the fog permanently dark again, but then untick the FogOfWar component and tick it again. See if the fog turns on and off.
If that doesn't work, there is a Reinitialize button at the bottom of the FogOfWar component while playing. Tick that and see if it resets the fog.
Let me know how it goes!

 

Before ; I use SetAll() to make it transparent:


After regaining focus:



I forgot to say this doesn't happen in your test scene, and I just updated your package.

Ticking FowOfWar component turns fog (or rather, the black color) on and off. But when it's on, the entire zone is filled with black and FogOfWarUnit does nothing.

I don't see the Reinitialize button you are talking about.

 

Ah sorry, for the Reinitalize button to appear, you need to put this script into an Editor folder (I have attached the script). The button should appear when you press play.

Another thing to try, set the color of the fog to something like red, and see what color it is after unity loses focus.

 

Yes, reinitializing gets it back to the working state. The units restarted to clear the fog,

And the color of the "dead state" fog changes.

 

Hmmm ok. I've attached a new FogOfWar script. Just replace it with the old one.
Hopefully that will address the issue!

 

Yeeeesss.... that did the trick! Thanks a lot, it's doing fine now!

 

Ah fantastic! I've been trying to solve this for a while. Thanks for helping me out with this.
I'll put the fix in for v1.9.

 

Working on a RTS is there a way i can make it where Player 2 cant see my units? The players are using the Same Camera with the Same units and buildings able to build so once the match starts everyone can see everyone

 

At the moment, the only way to achieve this is by using seperate cameras, or by disabling/removing the FogOfWarUnit components from the units that don't belong to the current player.

I am hoping to add a feature in the next release to greatly simplify this!

 

I just uploaded a big update (v1.11) to the asset store. It includes the much needed features of multithreading and texture shapes for units!
It probably comes with some bonus bugs so take care when upgrading while I iron out the issues.

 

how to save and load fog of war?
"You can access all of the fog values by FoW.FogOfWar.current.fogValues. This is a byte array and the size will depend on the mapResolution variable. You can read/write to this at any time." in your guid. but it's not working.

 

What exactly isn't working?

 

I save "FoW.FogOfWar.current.fogValues" for test scene, and load "FoW.FogOfWar.current.fogValues" after comeback to test scene. It's not working, but when I save and load "FogOfWarDrawerSoftware._values" is worked.

 

Ah yes, you are right, thanks for finding this!
Your solution to use FogOfWarDrawerSoftware._values is a good temporary fix.
I've pushed a fix to the asset store for approval. It should be up in the next few days.

 

Nice asset, but some issues.

Unity 5.6.1f1 pro
When using multi threading, the texture of the line of sight fog for the unit itself changes from a "vision cone" to a simple box or disappears entirely (depends on whether you enable it before or during play).

I had to make several modifications to scripts to get the asset to import correctly. Basically, I had to change a number of references (mostly in Trigger.cs, but also one in ITriggerWindowContainer.cs and of course UIWindowEditor.cs) from UIWindow to the explicit Devdog.General.UI.UIWindow class. Unity was confusing yours with its internal UIWindow and refusing to build.


All in all, it seems like a great concept, and performance is noticeably improved in multithreading... but multithreading especially is not ready for primetime yet.

 

I'm not sure what Trigger.cs or any of the other script files you mentioned are. They are not included in the Fog of War package.

But you are right that there are some issues when switching shapes during runtime in multithreading. I'll have to look into it.
Thanks for finding this!

 

Do you plan to add the blur feature?
Although it is possible in filter mode. I was a bit disappointed because the fog was not smooth enough.

 

Adding blur should be easy enough. I'll try to get it in for the next release.
Thanks for the suggestion!

 

Thank you so much for trying
Oh. And I found one bug.
If you look at the attached screenshot, there is fog on top and right.
It does not disappear anyhow.



The same phenomenon is happening in my current project.
Please check this.

I bought this plugin today and it was really nice to use it. Thank you.

 

Yeah, I've noticed that there is some pixel inaccuracies, although this one appears to be on the map border. They are probably related. I'll definitely look into it. Thanks for finding this.

 

I just purchased this package, but it is useless to me. The author says it support orthographic camera, and it does only when the camera is absolutely vertical to ground. In my situation, the camera uses orthographic mode and is a little tilt to ground, then the game scene become like the image I upload. In addition, I found camera clipping plaines property has influence. Apologize for my poor English, but I am disappointed with this package, it cannot solve my problem at all.

 

Orthographic cameras definitely work for me. What version of unity are you using? And what OS are you testing on?

 

Wondering if there is a way to get less distortion on angled pixels, while using the circle shape type? I am using the circle shape type to build a cone.

 

You can reduce aliasing by using bilinear filtering and increasing the resolution of the map. A better solution is to use a texture shape, where you give it a grayscale texture. Then you will have more control over the aliasing.

Texture shapes aren't supported on multithreading at the moment, but the next version should fix that!

 

My fog only works on an orthographic camera from top down. Otherwise the revealed parts aren't aligned with the units. Am I doing something wrong?

 

I have heard of this happening. What OS and unity version are you using?

 

I'm using 2017.1.0f3 Personal (64-bit) and Windows 7. I'm running the editor in dx9.

 

I have attached a new shader that goes in the FogOfWar/Resources folder that should fix this issue. The issue was with DX9. Let me know if it works.

Also, I'm not sure if you've read this: https://blogs.unity3d.com/2017/07/10/deprecating-directx-9/

 

I didn't notice any difference with the new shader but I tried starting the editor in DX11 and that's when it worked. It looks like I'll just get a new PC soon because I'm working with a pretty old laptop here and I don't blame you for not supporting very low end hardware.

 

You might be able to switch to OpenGL as an alternative for the meantime. Weird that the shader didn't work. I'll dig around some more to see what else could be causing it.

 

How do you enable OpenGL? I've tried launching unity with the -force-opengl and -force-glcore command line arguements but unity doesn't start. This is an android project by the way.

 

For android, I think your only options are OpenGL ES and Vulkan.

To change the graphics API, try this:

1. Edit -> Project Settings -> Player
2. In the Other Settings section, untick the Graphics APIs for Windows
3. Click on the + and choose one of the OpenGL APIs
4. Drag it to the top of the list

That will usually take effect immediately (a message box will pop up saying it needs to reload stuff). If that doesn't work, it's possible your GPU might not support the graphics API (usually OpenGL is pretty well supported though).

 

Demo Link will not work for me.What is the different to Ultimate Fog of War???

 

I have fixed the link in the first post of this thread. Unfortunately it is a web player (which doesn't work on most browsers anymore as unity dropped support for it). I'm meaning to update the demos and fancy them up soon.

As for the difference between UFoW (trying to be as unbiased as possible since I'm the creator of FoW), I would argue that FoW has been around longer, has a larger user base, is priced significantly lower and has some cool features like infinitely sized maps and lots of options to customise the visuals. I don't want to say much more, but maybe someone else can give you a less-biased opinion.

 

Has anyone tried this in conjunction with one of the tile map editor assets - specifically Super Tile Map Editor?

My 2 cents as a fresh pair of eyes (trying to be helpful here):

The demo link you just gave takes me to a dropbox that just shows some HTML (so nothing happens). This is the first thing a customer clicks on and they're not getting anything.

The user guide link at the top of this thread goes to a dropbox that gives a "file not found" error. The user guide link from the product page works though. You should probably fix the broken link.

The support link and the publisher's website link on the product page both go to a blog that has not been updated in 3 years. This makes the project look abandoned.

 

Yes you a right about all of this. I have removed the links to the demo (I'll try to get a new demo up soon hopefully). All the other links should be a little better now (asset store page stuff may take a few days to kick in). Thanks for finding these!

 

For those interested, this asset does work with the Super Tilemap Editor asset.

I was able to get a 255x255 map going with line of sight using a combination of those two assets.

 

I have 2D assets in a 3D collider world. My characters can't see anything and I've followed every step on the (not too expansive) user guide. Help please?

Edit: The red square is the actual fog. Just figured it out... you should reflect that in the docs

 

Ok, now I have a legitimate question. How to skip a gameobject, making it render over the fog?

 

Done!

Because the fog is implemented as an image effect, everything in the scene is affected by the fog. But you can still achieve this with a separate camera. Try this:

1. Put the objects you want to be affected on a different layer
2. Create a new camera and put it as a child of the main camera (make sure the transform is set to zero and the camera component is identical to the main camera)
3. Set the camera’s depth to a higher value than the main camera
4. Set the camera’s culling mask to render only the new layer
5. The objects should now be drawn on top of the fog!

Let me know if you need more help with this!

 

Hi!
Is it possible to change the Fog Color during run time? I get a weird bug every time i changed with script.
Everything becomes pitch black and i see some lights sparks here and there.

Is there some kind of settings?

I'm doing it with:

fManager.fogColor = new Color (0,0,0,180);
fManager.FogColor = Color.Black;

Thanks

 

That's super odd. It is definitely just FogOfWar.fogColor to set the color. What happens if you change it at runtime directly on the FogOfWar component?
Another thing to try: If you open FogOfWarTestScene.unity, you can change the fog color through the UI (which changes it through a script).

 

Hi!
The author declares: ..."- Compatible with mobile devices"...
I purchased this package and created a test project. Builded a apk.
But only one device out of three correctly displayed the fog of war.. ( Look attached screenshots ).
Help me to understand the reason!

 

Going by the screenshots, it looks like one is distorted and the other isn't appearing at. This could indicate a flipped depth buffer. Unfortunately, I don't have a lot of android phones to test on. Could you send me an email and I will give you some files to try to debug the issue.

 

I duplicated the message to your e-mail address on the same day.
The screenshots are not distorted. So I see the image on the devices. All three devices use the same apk.
I hope that you will find the solution.
Thanks.

 

Changing it manually with works good, but not at runtime. I get a really strang black screen with some border highlights. But it’s fine, I just decided to let the color stay black all the time.