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Submitted by Samuel.CANTIN, posted on March 19, 2001

Image Description, by Samuel.CANTIN

This picture was generated with my application MakeTerrain.
This application is under developement.
You can random terrain with fractal.
You can load a mapping file.
You can make a terrain with brush.
You can laod Big texture to apply on it.
You can load detail texture.
You can laod 3D model (ASE Format) as vehicle and move on terrain !!
In futur i hope made a small game but i ll see !!!!!

The picture is for ZACO and other. ZACO want to see picture generated with MixtTexture anothoer of may application.



Image of the Day Gallery


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Archive Notice: This thread is old and no longer active. It is here for reference purposes. This thread was created on an older version of the flipcode forums, before the site closed in 2005. Please keep that in mind as you view this thread, as many of the topics and opinions may be outdated.

March 19, 2001, 02:15 PM

Sorry, i don't want to revive my deeply hidden knowledge of the french language (hated to learn offense). How about an english version?


March 19, 2001, 02:31 PM

Very nice! Is it a kind of ROAM or simple Highmap rendering?

Tobias Franke

March 19, 2001, 05:22 PM

Yo Sammy, nice pic! How many polygons are you using for that scape?


March 19, 2001, 05:33 PM

nice pic!
what'cha using for the sky
is the iotd pic a ASE map or fractural or somthing else?
good luck!


March 19, 2001, 05:49 PM

Samy - looks like you're making steady progress..!
Keep up the good work!


March 19, 2001, 07:30 PM

No it is not ROAM but just an highmap.
Triangle are made with the most simple OpenGl instruction
glEnd ();

Tere is no polygon buffer or other similar.

But texturing is made with multitexturing of opengl extension (ARB ...).




March 19, 2001, 07:32 PM

To this picture, there are 256 * 256 point on the landscape, but you can have 512 * 512.

And about render, there are 64*64 points displayed at the screen
so you calc, 64*64 * 2 = 8192
Ok friendly


March 19, 2001, 07:35 PM

For the sky, i'm a thief.

Picture are taken in homeworld game. But in fact, the sky is an 3Dmodel made with 3Dstudio as a simple sphère. Picture is mapped on this sphère with planar mapping.
Model is exported as ASE format file (ASCII format).
With 3Dstudio you can export model as ASE format.




March 19, 2001, 07:36 PM

Thanks a lot




March 19, 2001, 07:39 PM

Sorry there isn't any english version. but i will try to post a new version in this langage later !!




March 19, 2001, 07:51 PM

In MakeTerrain Application you have a loader of ASE format file.
MakeTerrain application is on FLIP CODE "CODE OF THE DAY"

If you download it see function "ChargerASEFile" in "MakeTerrainDoc.cpp" source.



March 19, 2001, 07:52 PM

Thanks to Kurt Miller !!!!!!!!!



March 19, 2001, 07:58 PM

Hey, I have a question. What are those lines there?

Anyway, good work! :-) Heh



March 19, 2001, 08:06 PM

Looks very nice Samy


March 19, 2001, 08:14 PM

In MakeTerrain application you have a "graduation level" to give the high.

And small small small triangle is the vehicle position, but zoom is very far in this picture and it appear strange.




March 19, 2001, 08:15 PM

Thanks to you



March 19, 2001, 08:18 PM

One day, i will try ROAM and quadtree, because with my methode, it is'nt very easy to have a large vision.

There is'nt any frustum culling polygon, but i will make it later !!




March 19, 2001, 08:36 PM

"Picture is mapped on this sphère with planar mapping."

Why don't you map it using a spherical mapping?



March 19, 2001, 10:10 PM

Spherical mapping gives polar pinching, single planar gives you equator mirroring.
Try a 6 sided sphere approach - subdivide a skybox into ~300 polygons, then for each vertexs [x,y,z] normalize that value, and then multiply it by the radius you want for your skysphere. Easy huh?
Even better, for a sexy nebula effect, add a sin/cos distortion to the sphere radius :)


March 19, 2001, 10:39 PM

C'est bon! Pense-vous que vous le fera supporter les modeles animer, comme les gens ou des extra terrestes?

And for all of you english folk:

Do you think you could make it support animated modeles, like people or aliens?

Canada Kicks A$$!!!


March 20, 2001, 12:22 AM

"Canada Kicks A$$!!!"
sorry, I have some news that might not be reassuring for you.... LOL... just kidding...


March 20, 2001, 02:43 AM

Hey SAMY! Rockin'. I couldn't wait to get at home and take a look to your program in my computer (at work I couldn'd do so cos I don't have a suitable PC, just an ultraSPARC staiton :) ).

Now go for something BIGGER, a 1000x1000km terrain. I bet you can do it.

Hasta la vista.


March 20, 2001, 04:23 AM

No in fact, i choose the first mapping 3Dstudio give.
But i'm agree with you in reality i must take spherique mapping !!



March 20, 2001, 04:28 AM

I don't sur i understand your message very well.
You ask me to make a terrain more bigger.

In fact with MakeTerrain Application, you can laod a terrain with 1024*1024, but it is a little long.

About render, if i want to have a bigger terrain i think i must make it in ROAM or quadtree, but now it s just a highmap with simple OpenGl Instruction and no vertex buffer or other, so it is a little slow if you want to render a lot of polygone !!!




March 20, 2001, 04:34 AM

In fact with MakeTerrain Application and on this picture, you have a vehicle displayed on the ground, but it look like very small because camera is very far !!!

So i think you can do it.

But later i want have town or other and i ask me how to do, i ask me what is the better solution to render it and i don't know, i will see !!




March 20, 2001, 04:35 AM

6 sided sphere approach

If you have source sample or better explanation on paper for example so i take it !!




March 20, 2001, 05:22 AM

Good work Samy.

The vehicle on the terrain is the most impressive part of the demo. And the actual terrain generation algorithms that is.



March 20, 2001, 05:31 AM

Well. It was just a joke to do a 1000x1000 kilometers terrain with, per example, 1 meter per pixel. Sometimes you take the things in a very serious way, man!



March 20, 2001, 05:57 AM

NO i can do it !!!!

Private Joke




March 20, 2001, 05:58 AM

Thanks a lot !!!

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