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Author Topic: AC water crash and depth charges with bubbles  (Read 4911 times)

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gunny0134

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Re: AC water crash and depth charges with bubbles
« Reply #24 on: April 25, 2023, 07:06:35 PM »

Gunny; I note in your screenshot a number of faint, thin lines oriented more or less horizontally. I thought I had got rid of them with a slight adjustment of the texture useage in some .mat files. I'm wondering now if I overlooked one...
Or are you using the original effects and files?

Screenshot above : DepthCharge[1076] - #0

Now screenshot : !0_Fly!_Aircraft_Bomb_Water_Splash - #18

 - 4.12.2m, BAT 4.0, CA_13 Boomerang_weapons 2x250lb, resolution 3840×2160
 - Both screenshots are under the same bombing conditions.
 - File folder installation location : near-top




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WxTech

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Re: AC water crash and depth charges with bubbles
« Reply #25 on: April 25, 2023, 08:24:47 PM »

Depth charges would be worthy of creating a different set of effects for. The morphology of the geyser differs when the detonation occurs at greater depth. Bombs and shells exploding on the surface tend to create a narrower column which rises more quickly. A depth charge effect would benefit from a two-stage approach, where there is first a low 'mound' of disturbed water, with a slightly delayed eruption of the taller geyser. The latter geyser could be made to originate at some depth, giving it time to ascend and break through. I've already employed this 'submerged' effect idea for the longer duration, randomly invoked ground fire which slowly dissipates after a napalm drop.
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gunny0134

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Re: AC water crash and depth charges with bubbles
« Reply #26 on: April 25, 2023, 08:50:43 PM »

Why does the diagonal line appear?

It must be hard to erase it completely.

But I'm satisfied with this... ;D

Thank you again, WxTech & Fly!
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WxTech

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Re: AC water crash and depth charges with bubbles
« Reply #27 on: April 25, 2023, 09:36:04 PM »

I went back to look over the .mat files I had packed up. In my own game I altered a couple of the .mat files to be rid of the faint dark lines that lie just above certain textures, but failed to make the same changes to the files included here.

I've updated the archive. If you don't want to download again, here's what to do, and do this also for the original mod files if not using mine:

In the "Materials" folder are five .mat files. Open all of them with your favourite text editor (Notepad is fine.) The line which reads

  TextureCoordScale 0.0 0.0 1.0 1.0

should be altered to

  TextureCoordScale 0.0 0.01 1.0 1.0


Changing that second "0.0" to "0.01" causes to not read the top 1% of the texture, or 2.56 lines on these 256 pixel textures. In other words, in the vertical direction horizontal lines 2.56 to 255 are sampled, not 0 to 255. This ensures that the bottom edge of the texture does not 'bleed' slightly into the top as when the texture is sampled from the very top edge to the very bottom edge.

When sampling a texture from 0.0 to 1.0, the opposite edges become essentially in contact, in a 'wrap around' manner. If one edge is empty, the other edge having pixels present can be partially sampled, showing up as a faint line under certain conditions of contrast.

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gunny0134

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Re: AC water crash and depth charges with bubbles
« Reply #28 on: April 25, 2023, 10:28:39 PM »

In the "Materials" folder are five .mat files. Open all of them with your favourite text editor (Notepad is fine.) The line which reads

  TextureCoordScale 0.0 0.0 1.0 1.0

should be altered to

  TextureCoordScale 0.0 0.01 1.0 1.0

Oh, yes... ;D ;D

I can see that it has definitely improved...!!

I don't know well what the theoretical explanation is... :-[ :-[ :-[

But, as I changed the value of the mat files as you taught me, the scene of the water explosion is very satisfactory with almost invisible diagonal line.

Thank you again, master Glenn !!



PS : from ANZAC Strike - Bougainville '45 Boomerang by genXgamer (https://www.sas1946.com/main/index.php/topic,70705.msg769894.html#msg769894).
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genXgamer

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Re: AC water crash and depth charges with bubbles
« Reply #29 on: April 25, 2023, 11:29:27 PM »

Hi WxTech

Thanks for the explanation, I knew what caused the lines but not how to remove them.
I have created three custom runways each runway using six different plates rather than the usual one, when viewed from a distance (LOD 2 or LOD 3) I can see faint lines at the joins.
This is also present with stock runway plates perhaps not as evident and of course I inherited this fault.
So hopefully I'm now capable of rectifying this slightly annoying occurrence.

P.S.    Remember my request for a single sandbag?   I will need it very soon, probably three or four weeks from now.
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WxTech

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Re: AC water crash and depth charges with bubbles
« Reply #30 on: April 26, 2023, 12:08:16 AM »

For runway plates, anisotropic filtering and antialiasing-transparency settings can play a role in the degree of prominence at the joins. The trouble is finding a happy balance for frame rates.

I forgot about the single sandbag. No promise on when or if, as a number of projects are ongoing already...
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WxTech

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Re: AC water crash and depth charges with bubbles
« Reply #31 on: April 27, 2023, 12:12:51 AM »

For plane crashes only, I've been creating a hybrid effect set using some of my former textures and a couple of Fly!'s textures. Additionally, the texture's of Fly!'s I'm using have had some work done so as to have partial edge transparency, in order to reduce the hard-edged, cut-out aspect. Here are a couple of screenies from the Kamikaze02 track. Note also the several flaming/smoking projectiles flung out from exploding planes (when the fuel tank obliterates them), including on the carrier's deck.



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WxTech

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Re: AC water crash and depth charges with bubbles
« Reply #32 on: April 27, 2023, 12:17:09 AM »

I would eventually like to make a somewhat similar effect set for depth charges, leaving my current narrower geysers (as included in my v1.6 effects pack) for surface bomb bursts largely as they are.
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shardana

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Re: AC water crash and depth charges with bubbles
« Reply #33 on: April 27, 2023, 12:31:10 AM »

😱😱😱😱😱😱
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PO_MAK_249RIP

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Re: AC water crash and depth charges with bubbles
« Reply #34 on: April 27, 2023, 05:42:23 AM »

WOW! that looks awesome cant wait for that!!!
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RABIZO

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Re: AC water crash and depth charges with bubbles
« Reply #35 on: May 03, 2023, 08:47:13 PM »

It feels so good.

I got the urge to make videos.

It seems that you have to make a mission using the sea.



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