Re: [Flightgear-devel] Re: [Flightgear-users] Re: Okay ... who was it?

2005-02-19 Thread Christian Mayer
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Ampere K. Hardraade schrieb:
 Putting all the above into a fatigue-routine or a fatigue-class, we can make 
 a 
 call to it everytime the aircraft makes a contact with the ground.  We can 
 make a call to it every second, too.  Afterall, aicrafts can disintegrate at 
 any time.

This reminds me of Flight Unlimited an old DOS based sim (it had the
best graphics at its time).

There you could heare the stress on the structure (some plaes had a
G-force meter, too). And when it got too extreme the plane disintegrated
in the air...

CU,
Christian
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Re: [Flightgear-devel] Re: [Flightgear-users] Re: Okay ... who was it?

2005-02-18 Thread Ampere K. Hardraade
On February 18, 2005 08:02 am, Melchior FRANZ wrote:
 I'll find out anyway. I can't stand people borrowing things from me and
 returning them like *that*!

   http://members.aon.at/mfranz/exhibit_A.jpg

 m.

Yes, that's a very nice touch. =)


On February 18, 2005 12:45 pm, Christian Mayer wrote:
 This reminds me, that we don't have a nice crash simulation yet. (It
 doesn't need to be realistic).

 We probably could do this, when an crash occures:

 1) switch to external view (that should be easy)
 2) split up the scenegraph of the model and solve a simple motion
 equation for the parts (so that they bounce on the ground - that needs
 a heavy damping though)
 3) put a fireball in the middle

 The result isn't realistic but much nicer than the current approach
 (it looks more like an arcade game though...)

 Step 1 and 2 shouldn't be too hard to do with the current code.

 CU,
 Christian

Every landing is basically a crash... or every crash is basically a landing. 
The two terms just differ in how much damage the aircraft received. ;-)

In my opinion, it will be better in the long run to model fatigue instead.  By 
modelling fatigue:
* damages can be accumlated.  For example, the aircraft can make 19 hard 
landings without incident, but has its landing gears break off in the 20th.
* parts can still break off right away if enough force is applied, like what 
you've suggested in #2.

For visualizations, different effects can be created for different materials 
contacting with some other material.  For contacts with concrete or asphalt: 
rubber will create smoke, metal will create sparks, fuel tanks will create 
fireballs and black smoke, etc.

Putting all the above into a fatigue-routine or a fatigue-class, we can make a 
call to it everytime the aircraft makes a contact with the ground.  We can 
make a call to it every second, too.  Afterall, aicrafts can disintegrate at 
any time.



Ampere

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