post it in the howto, im to lazy to rip them from your mod later on
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| Help with BF2 style helicopter hover... https://battlefieldmodding.com/ssm/phpBB3/viewtopic.php?f=3&t=5277 |
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| Author: | freddy [ Thu Oct 01, 2009 10:07 pm ] |
| Post subject: | Re: Help with BF2 style helicopter hover... |
post it in the howto, im to lazy to rip them from your mod later on
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| Author: | Refuse2lose [ Sat Oct 03, 2009 9:37 pm ] |
| Post subject: | Re: Help with BF2 style helicopter hover... |
This will be a very hard thing to do in the 42 mod. Firstly, there are no helicopter engines in 42 as there are in BFV and BF2. In DC the helicopters use plane engines where the torque is turned down to 0.0001. This explains why helos in DC are untenable and cannot be flown with the ease of any helo in BFV. Consider using a jet engine as the engine for a helo where you have to reduce the torque so far down that the helo doesnt fly off like a jet. We know that heloicopter engines in BFV provide stability, there is greater margin adjustments using the throttle unlike the 42 engine. This is not to say you cannot find a better balance than the DC modders came up with, however, the plane engine is not designed to respond to throttle changes like the helicopter engine. I have taken DC helos into BFV maps and I deleted all the 42 engines and restocked the objects physics.con files with BFV helicopter engines. Good luck. |
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| Author: | Senshi [ Sun Oct 04, 2009 2:08 pm ] |
| Post subject: | Re: Help with BF2 style helicopter hover... |
Uhm, I think Apache is doing this already for BF42, and he also stated that it works. I didn't test it myself (as I currently have no choppers in my mod) but his explanations sound plausible and I see no reason why it shouldn't work... |
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| Author: | Refuse2lose [ Wed Oct 07, 2009 6:44 am ] |
| Post subject: | Re: Help with BF2 style helicopter hover... |
It does work - checkout DC and DCX - its just tricky to get the balance. I am having difficulty with converting the H-53 and Hind plane engines to BFV helicopter engines. I have them tuned in, but not to where I like them yet. Not sure how to further improve them - ill keep working on the physics file. |
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| Author: | Senshi [ Wed Oct 07, 2009 7:57 am ] |
| Post subject: | Re: Help with BF2 style helicopter hover... |
Yes, it's tricky in DC and DCX. That's why Apache has found a better way to allow helicopters to hover like in BF2...did you even read the topic?
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| Author: | Apache Thunder [ Sat Oct 10, 2009 6:06 am ] |
| Post subject: | Re: Help with BF2 style helicopter hover... |
 I have found that some of the larger birds use setting other then 2500. Seems that the MinRotation isn't connected to just the mass of the vehicle as the hind, and UH-60 the MinRotation of 2600 works best for me. But it appears that adjustment you might need shouldn't be too far off from that of 2500. Helos like the Apache won't need an adjustment from the code I used. Take into account the drag setting and over all size of the LOD mesh. Also, the helos in the mod I have done this in have additional wing objects. These aren't needed for the hover but were added to change the flight physics in a way that bots can better use them. So in stock DC helos, the setting *might* need to be increased. The wings add additional drag to the aircraft, so the minRotation settings I use may need to be increased if your doing this on stock DC helos with no wing objects on them. Though there's a chance they have no effect on this at all. But remember that there is no one size fits all.
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| Author: | Senshi [ Mon Oct 12, 2009 11:32 pm ] |
| Post subject: | Re: Help with BF2 style helicopter hover... |
Interestingly, it appears BF42 does actually consider the geometry of the object, no matter what wings etc. you implement codewise. Easy to test yourself. Just duplicate an object, but replace the geometries of one to another object and test their flight properties ingame. E.g. compare a Bf109 and a B17, give them all the same rudders, wings and engines, and then test their flight properties. They should differ. The current consens over with the Battlegroup42 modders is apparently the engine calculates the drag real-time according to the collision mesh of the object. That means a huge, blocky object (e.g. a factory) flies worse than a regular slim fighter aircraft. Another reason why coding aircrafts is such a mess, even more if you only want to change details e.g. for balancing reasons...this really can be a pain in the as as I recently noticed myself once more... 
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| Author: | Apache Thunder [ Tue Oct 13, 2009 5:41 pm ] |
| Post subject: | Re: Help with BF2 style helicopter hover... |
I believe the game calculates drag and such by the LOD and not the COL mesh. I made a mini RC copter and it wouldn't fly right. so I made it use the LOD mesh (though made invisible with alpha texture) of the little bird. It stabalized the craft. I did not change the size or shape of the collision mesh it used. So it's my belief the game uses the lod to determine flight physics for that aircraft. |
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