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Author Topic: Is it possible to have ships partially sink in shallow water?  (Read 1522 times)

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WxTech

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Re: Is it possible to have ships partially sink in shallow water?
« Reply #24 on: September 02, 2024, 06:15:57 PM »

Note that the depth wherever shallows are not drawn on map_C.tga is treated as being either 1,000m or 400m. Compare this to the English Channel, North Sea and Baltic Sea, where much of those areas are no deeper than a few tens of meters!

This leads me to become more desirous of a better treatment of water depth determination. My new map_W.tga idea, which is the consolidated map_C.tga, would be treated as an entirely separate entity from map_C itself. Where map_C might have no shallows drawn at all, map_W could have vast areas of shallows, they being used only to set the depth to which a ship would sink no farther. Map_C draws the shallows texturing, whereas map_W would supply a number for water depth; they can be quite discordant, if that's what's intended.

This new scheme would NOT require that all maps with water areas have a new map_W. If such a map is absent, the stock scheme by itself to determine water depth would still be in effect.

And while I mull this matter over yet more, it occurs to me that in the existing scheme where a distance limit of just 355m from a ship within which to do the 'spiral search' for land seems rather small. The search is done over what seems to be a rather small step size of just 10m. Why, I wonder, would be not extend the land search to, say 1km, with steps in distance of about 30m being in effect?
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Whiskey_Sierra_972

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Re: Is it possible to have ships partially sink in shallow water?
« Reply #25 on: September 03, 2024, 11:04:56 AM »

Well...I belive that this should be a great search for more realism....but as a personal POV having ships partially sunk near coastline is more tha sufficent for me....moreover as the 'advanced shallow water method' could be unprevedible I think that this could be less used by players....expecially if sink time multiplier are used....
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WxTech

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Re: Is it possible to have ships partially sink in shallow water?
« Reply #26 on: September 03, 2024, 01:14:03 PM »

As far as Ican tell, there would be no unexpected effect of applying a shallower depth. The sink rate and rate of roll and pitch during sinking are independent of the depth. Whether deep or shallow, these rates will be the same. It's only that for shallower depth the process of sinking/rolling/pitching stops sooner. That's all.

Again, as far as I can discern.
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Kopfdorfer

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Re: Is it possible to have ships partially sink in shallow water?
« Reply #27 on: September 04, 2024, 07:39:46 AM »

Would ships steaming be affected by the shallow water ?
IE would they visibly run aground within the sim ?
Or would they be subject to "cheating" their routes the same way you can have them steam onland
if you wish , or place trains anywhere by writing directly into the .mis files ?
I aways thought it would be useful - primarily for SEOW persistent online campaign purposes - if various depths could
be used to limit certain ship types ( I know IL2 doesn't model ship types with much discretion ) from steaming in certain depths of water.
I also understand that for most users purposes this would not necessarily be desirable.

Kopfdorfer
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WxTech

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Re: Is it possible to have ships partially sink in shallow water?
« Reply #28 on: September 04, 2024, 08:13:04 AM »

As far as I can see the depth has zero impact for moving vessels. Depth is used only for determining how far it settles when destroyed.

Now, It would be interesting to see if a ship that is in very shallow water will actually rise higher once wrecked due to a check now being made for hull mesh contact with the bottom. ;)
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RABIZO

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Re: Is it possible to have ships partially sink in shallow water?
« Reply #29 on: September 04, 2024, 08:20:35 AM »

I wanted to create a mission with a half-sunken ship in the background in a harbor area, but I wondered if it was possible to set a "sunken ship" in that setting.

I don't know how to do that.
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WxTech

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Re: Is it possible to have ships partially sink in shallow water?
« Reply #30 on: September 04, 2024, 09:05:33 AM »

To place a ship already partly sunk would require that it be a static object, designed to have its resting disposition modeled as such.

An alternative would be to have some powerful unit destroy the ship at mission start, although this is not suitable if one desires to have it already resting at the bottom at or very soon after mission start.
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RABIZO

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Re: Is it possible to have ships partially sink in shallow water?
« Reply #31 on: September 04, 2024, 06:36:10 PM »

Thank you, Glenn.

It's impossible to do the mission from the view of the sunken ships in the harbor of "kure".

It seems impossible to see the ships lined up in the port, half-sunken after being attacked.
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Dimlee

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Re: Is it possible to have ships partially sink in shallow water?
« Reply #32 on: September 05, 2024, 09:18:48 AM »

Until WxTech presents his (yet another) wonderful work, we can continue to use existing models of "half-sunken" ships...




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RABIZO

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Re: Is it possible to have ships partially sink in shallow water?
« Reply #33 on: September 07, 2024, 12:42:12 AM »

Thank you "Dimlee".

That's a good method too.

I'm looking forward to Glenn's work.
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