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Author Topic: [DGIV BLOG] News about developpment of DGIV (part 3)  (Read 19445 times)

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Offline DanSteph

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03 May 2007, 15:48:01


You can find previous "DGIV BLOG" part 2 thread here:
http://orbiter.dansteph.com/forum/index.php?topic=12011.msg185146#msg185146




Introducing the latest new feature never seen in Orbiter: Reentry Progressive heat shield
(from an idea of Pagir)


It start like a normal day, Norma Jay and his crew are coming back on earth:




Temperature start to raise:




Bottom of ship start to be heated, 900°C:








Don't touch this whit your finger, 1100°C:



Temprature at max, nose is at 1400°C



Bottom view:



Rear view:




Also from last blog, previous new feature, high AOA wings vapor:





Dan



Message modifié ( 03-05-2007 16:02 )


Offline picto

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Reply #1 - 03 May 2007, 15:51:37
YES !!! :hot:
C'est mieux que le blanc !
Tant que tu y es, remplace carrément la texture du dessous par du cramé en fin de parcours ...



Message modifié ( 03-05-2007 15:54 )

Pic

Offline Pagir

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Reply #2 - 03 May 2007, 15:57:40
WoW! :applause:

This is hot!

Pagir


Pagir

Offline Heywood

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Reply #3 - 03 May 2007, 16:18:33
fantastic, very cool. :eek: :top: :wor:

Thanks much, SuperDan.

Heywood



Offline Voyager

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Reply #4 - 03 May 2007, 16:56:53
Amazing Dan, your outdoing yourself :)

Can't wait to test Beta 10 :)


Offline lord wolf

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Reply #5 - 03 May 2007, 17:41:06
everytime we think the dgIV has gotten to its best; you step it up a notch!

well done dan!:applause:



Offline Louis Wu

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Reply #6 - 03 May 2007, 17:48:20
Outstanding Dan!! This is going to be the best addon I've seen. :applause:
Hoping for public beta soon. Keep up the great work!



Post Edited ( 05-03-07 17:52 )

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Offline sunshine135

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Reply #7 - 03 May 2007, 17:53:37
The plethora of features continues to grow!!!! That is too hot!

Burn baby burn!!!


:hot:


"Sun Dog"

Offline DanSteph

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Reply #8 - 03 May 2007, 18:13:32
UNfortunately Orbiter have a bug with this advanced feature...
The sun disappear...

Seem a problem with the function "oapiSetMeshProperty" wich is rarely used.
this function allow to set alpha chanel mixed with texture alpha chanel
for a mesh.

Problem: this function seem buggy in Orbiter, instead of setting this feature
for one mesh only it seem to set it globably for all objects in scene, the sun
wich have also an alpha channel texture simply disappear.

I scratch my head since three hours on this, I'm 99.9% sure this Orbiter
function have a bug.

See Case 1:

I set object "A" to have this property
I set Object "B" to NOT have this property

Object "A" alpha doesn't work.

Case 2:

I set Object "B" to NOT have this property
I set object "A" to have this property

Object "A" Alpha work.

The final proof:

I set object "B" to have this property

Object "A" Alpha work. (shouldn't work as I didn't set it on "A")

Seem the last call set the property for all objects and the MeshHandle is ignored.


Workaround:

-This setting will be applied only when an effect is running (ie: sun will only disappear during display of wings vapor or
reentry heat shield)

-An option in DG4config will allow to disable thoses effects for those that can't sustain that their sun disappear.

Anyway, the sun is rarely in field, this bug will not be too visible.

Dan



Message modifié ( 03-05-2007 18:17 )


Offline picto

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Reply #9 - 03 May 2007, 18:18:11

Fallait bien que tu pompes une source de chaleur quelque part :)
Dommage ... mais tu vas faire remonter ce bug sans doute ;)


Pic

Offline Pagir

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Reply #10 - 03 May 2007, 18:58:26
Strange bug...

Anyway, between the sun and the heating shield, I know which one I prefer!

Pagir


Pagir

Offline willy88

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Reply #11 - 03 May 2007, 19:21:17
WOW!

What's next? Warp drive?


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Offline Heywood

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Reply #12 - 03 May 2007, 19:39:12
With or without bug, the heating shield and wings vapor are very good.

Heywood


Offline Nouzy

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Reply #13 - 03 May 2007, 20:56:15
Quote
Pagir wrote:
...between the sun and the heating shield, I know which one I prefer!


I really don't.  

On one hand, we have a source of energy which is the key to sustaining all life on the world, and on the other we
have some cool effects.  

...

I'll have to think about that one once I get my hands on a copy of this thing.  (This may soud like sarcasm, but it's
not.)  

I also have a question:  

Does the red glow also occur if the ship breaks apart (which I still think is by far the coolest "feature" on any ship) ?

EDIT: Can you give us a screenshot of what the sun looks like pre and post glow?  I know this is a stupid request, but it will help me in making this tough decision.



Post Edited ( 05-03-07 20:58 )

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Offline DanSteph

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Reply #14 - 03 May 2007, 22:11:32
well, no pics, simply the image of the sun disappear and reappear as soon as the effect stopped.
(not the light,* the picture of the sun* diappear)

Notice it's just because I needed to have the ship oriented toward the sun
and searched it that I noticed this strange bug. I'm not sure you would have
noticed it without my information ;)

Dan


Offline picto

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Reply #15 - 03 May 2007, 22:18:19

Ce ne serait pas simplement une histoire de superposition de couches alpha.
J'ai eu des phénomènes comme ça en testant de grandes structures de pylones
à base d'alpha selon la méthode Schimz.

Quand plusieurs faces se croisaient dans le champ de vision, certaines disparaissaient.
Je ne sais plus si c'était sur deux ou trois superpositions.


Pic

Offline Nouzy

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Reply #16 - 03 May 2007, 22:31:57
Does the sun reappear after the effects are over?  

Perhaps we should reprt this bug for fixation in Orbiter 2007?


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Offline DanSteph

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Reply #17 - 03 May 2007, 22:32:14
nan nan, martin c'est planté sur ce coup la simplement... Je connais directX7 martin a oublié de restaurer un
render state d'un objet, du coup ce render state s'applique globalement a tout les objest. Comme le soleil a aussi un
texture alpha et un material.a=0 il disparait.

Exemple tu met le parametre "alpha+texture" sur l'objet "A" et du coup ca marche aussi pour le "B" (alors qu'on l'a
pas mis)

Enfin...crois moi sur parole j'y ai passé la journée ;)

Dan


Offline DanSteph

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Reply #18 - 03 May 2007, 22:33:33
Quote
Nouzy a écrit:
Does the sun reappear after the effects are over?  

Yes, and bug report of course...

Dan


Offline MattNW

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Reply #19 - 03 May 2007, 23:06:28
WOWSERS!!! :eek:

I don't see much of a problem with the effect. I've never had a situation where the star was in the view while re-entering.
Besides, you should be looking at the cool effects not the sun. :)


Offline Jay Gatsby

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Reply #20 - 03 May 2007, 23:41:38
:top: :top: :top:
:hot: :hot: :hot:
:applause: :applause: :applause:

Absolutely stunning graphics!  Bravo!


-Gatsby

Offline willy88

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Reply #21 - 03 May 2007, 23:53:30
Are there the same problems with the tinted windows?


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Offline Pagir

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Reply #22 - 04 May 2007, 00:04:41
Si Mahomet ne peut aller à la montagne, est-ce que la montagne peut aller à Mahomet???

Peut-on changer la texture du soleil pour éviter ces trucs alphas auxquels je ne comprends que dalle?

Can't you change the sun texture?

Pagir


Pagir

Offline DanSteph

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Reply #23 - 04 May 2007, 00:12:52
Quote
willy88 a écrit:
Are there the same problems with the tinted windows?

No,

Quote
Pagir a écrit:
Can't you change the sun texture?

The problem is not the texture but the material, specifically alpha chanel.
if you apply a sun without alpha even if it solve the orbiter bug (I doubt)
it will be a white square.

Dan


Offline Nouzy

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Reply #24 - 04 May 2007, 01:27:36
Quote
MattNW wrote:
Besides, you should be looking at the cool effects not the sun. :)


You really should be looking at the reentry display and the surface mfd... :doubt:



Post Edited ( 05-04-07 01:29 )

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