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In response to what do you recommend?
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void 101 Feb 19, 2003 at 05:48

DarkLight, a common misconception with openGL is that it is open source, it isnt, it is however OPEN STANDARD, there is a big difference. If you want OpenSource OpenGL, have a look at the Mesa3D library, its an opengl clone (all the functionality of OGL and the same syntax) and at the same time it is open source.

In response to OGL links
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donBerto 101 Feb 19, 2003 at 04:54

no need to cheat - admin != most post :yes:

In response to OGL links
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dk 158 Feb 19, 2003 at 03:49

ha ha ha.That really doesn’t look good on an admin. Having a cheating admin will lose the trust and respect from members.
Let’s see if you can beat baldurk :lol:

In response to OGL links
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WiseElben 101 Feb 19, 2003 at 02:40

You can cheat ya know? Just change your posts to like 800. ;7

In response to OGL links
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dk 158 Feb 19, 2003 at 02:32

Yes wiseman i see what you mean :blush: . The forum is pretty recent, so we’ll see in the near future.

But i see your point.

In response to OGL links
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WiseElben 101 Feb 19, 2003 at 02:29

Yea! :lol:
Apex, look at TheTutor at GT, he has like 2100 while the next highest is like 1500 (EvilSmile) ;)
Anyone know what were talking about? :lol:

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donBerto 101 Feb 19, 2003 at 01:26

first, did somebody answer your question? second, can you be more specific and give us more details as to what you’re doing?

In response to what do you recommend?
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baldurk 101 Feb 18, 2003 at 21:17

RE your second point, that’s a matter of opinion
RE your third point, that’s not quite accurate. A lot of good games DO use GL, but some use both, and some like Unreal 2 only DX.
I agree with your other points though

In response to what do you recommend?
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DarkLight 101 Feb 18, 2003 at 20:56

First of all, unlike DirectX, OpenGL if free, open-source development
Second: it is easier to learn (at least because of the less functions)
Third: The best games use OpenGL
Forth: Linux becomes more and more popular, but DirectX is only for Windows
Fifth: There are many OpenGL related libraries like GLUT and GLAUX for examle
Sixth: There are many Open-source OpenGL applications (including games)

In response to Physics question...
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DarkLight 101 Feb 18, 2003 at 20:49

I think it more fizic than math… If you use the law of the conservation of energy and impuls, using a variables for the mass of the objects and theit speed and directions, you can do really nive effect. But I’ve not solve this type of problems (and fizic problems at all) so for now I can’t give you the exact code

In response to OGL links
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baldurk 101 Feb 18, 2003 at 18:45

well, I guess he means that as you’re admin, you would normally have the most posts, like me ;).

In response to Delays, and wait times...
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baldurk 101 Feb 18, 2003 at 18:43

also, looking at your original post, you want to avoid using system wherever it is physically possible, as it is a very good way of losing portability quickly. 99% of the time there is a better way anyway.

In response to Delays, and wait times...
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dk 158 Feb 18, 2003 at 17:55

Cryax, your method would be good for simple demos where movement is controlled by a simple variable, which is a very good idea.

However, when one is dealing with movement and motion using physical equations then you could have

dt = 0 // time between each fram = 0

which would make everything stop too.

Just an idea.

In response to OGL links
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dk 158 Feb 18, 2003 at 17:45

@WiseElben

:lol: When I look at apex, hes an administrator with only 98 posts! ;7

What do you exactly mean?

In response to Delays, and wait times...
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CyraX 101 Feb 18, 2003 at 13:44

Typically I would do the following.
The game, is a state machine. All the entities that would change the game state would be collected and none of them would be modified while sleeping. Thus if I am walking in a game - that is just walking in a scenerio.
Entities that modify the game state - My x,y,z coordinates. If I pause… I would say

x = x+ movment_x;
y= y+movment_y;
z= z+movement_z;

Render(x,y,z); // This would have hte camera position.

whenever I want to pause… I would assign movement_? = 0; // By default
This would ensure that nothing in the game changes. Basically the “pause” is game state _NO_CHANGE_

In response to OGL links
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CyraX 101 Feb 18, 2003 at 13:34

This thread contains links for OGL ONLY. In links section - it could be ANY subject related to Gamedev.

has no one been to sulaco.co.za
and
romka.demonews.com

In response to Physics question...
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donBerto 101 Feb 18, 2003 at 11:14

I think in multi-variable calculus, moment of inertia is a point in space. angular momentum [torque?] can be represented as a vector i think. I don’t remember - haven’t taken calculus nor physics for a LONG while…

I’m looking for my old books and if I find anything, i’ll let you know. it may be faster to look online.

:yes:

In response to what do you recommend?
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donBerto 101 Feb 18, 2003 at 11:06

i’m trying to be like john carmack…

In response to what do you recommend?
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void 101 Feb 18, 2003 at 04:58

DirectX is the general name given to the colleciton of APIs such as dsound and d3d, it encompasses all the libraries that start with Direct… OpenML is an initiative by a group of companies including big names such as ATi, 3DLabs, and many others, to create a system very much like DirectX, which will include OpenGL, openAL, and other APIs for madia playback and possibly input, i forget.
OpenGL cannot be compared to DirectX since its a graphics only library, but usually on these kind of forums when people say DirectX they really mean Direct3D…

On another note, here is a reason to use OpenGL: John Carmack uses it, and he is a GOD!!! :-) Dont you want to be a god like him? If you do, then use OpenGL…

In response to OGL links
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WiseElben 101 Feb 18, 2003 at 03:34

:lol: When I look at apex, hes an administrator with only 98 posts! ;7
Anyways, nehe.gamedev.net, gametutorials.com, and those are the only OpenGL sites I go to.

In response to what do you recommend?
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donBerto 101 Feb 17, 2003 at 18:16

question:

isn’t Direct3D, DirectSound, DirectInput, DirectPlay, DirectWhatever all bundled into DirectX?

OpenGL is NOT affiliated with OpenAL nor OpenML
they merely have the same interface…

In response to what do you recommend?
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baldurk 101 Feb 17, 2003 at 18:12

Well, you could have D3D in the same window, both in different sections.

Now THAT would be interesting :)

In response to Delays, and wait times...
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davepermen 101 Feb 17, 2003 at 17:40

Sleep(milliseconds) ? :D

then again, your demo will not be touchable during this time. no problem really for a fullscreen app (except you want to quit during that sleep:D), but so what?..:)

In response to what do you recommend?
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davepermen 101 Feb 17, 2003 at 17:39

yes, each component lets itself get initialised individually.

so its

OpenGL or Direct3D
OpenAL or DirectSound
OpenNL or DirectPlay

etc.. sure, there are even more libraries for nongraphics stuff.. for sound for example the bass.dll or others, too.. for network you can use {your operating system here} base network libs. (winsock in my case). etc..

you can even have opengl and direct3d. just not in the same window:D

In response to what do you recommend?
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WiseElben 101 Feb 16, 2003 at 21:57

You can use DirectX and OpenGL together, just not Direct3d and OpenGL together. :D

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