Re: [osg-users] Why no games with OSG?

2012-05-24 Thread Ryan Pavlik
shameless_plugIf you're using VR Juggler and OpenSceneGraph, worth
looking at VR JuggLua:  https://github.com/vancegroup/vr-jugglua - Makes
working with VR Juggler even easier, and lets you even get interactive code
execution (add more code while running - a REPL ) /shameless_plug

On Thu, Apr 26, 2012 at 3:08 PM, Maia Randria 
veneree.randrianari...@crulrg.ulaval.ca wrote:

 Hi,

 Thank you for replying and for redirecting me to DI-GUY: very interesting
 product !

 Our application should work within a CAVE and we plan to use VR Juggler +
 OSG for that, I don't know if DI-GUY is working for a CAVE and how flexible
 it is, I will contact them.

 Cheers,

 Maia

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Re: [osg-users] Why no games with OSG?

2012-05-24 Thread Ryan Pavlik
On Thu, Apr 26, 2012 at 2:49 PM, Chris Hanson xe...@alphapixel.com wrote:

 On Thu, Apr 26, 2012 at 12:17 PM, Maia Randria 
 veneree.randrianari...@crulrg.ulaval.ca wrote:

 Hi Chris,
 Thanks for your quick response.
 Yes, I understood that these are add-ons but once added, OSG seems to be
 quite similar to Delta3 ? This could be confusing, at least for me.


   There is not rule saying things can't be similar. Don't worry about it.
 They are what they are.


Actually Delta3D uses OSG for rendering which could be why they seem
similar: Delta3D is a distributed game engine built on top of OSG.

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Re: [osg-users] Why no games with OSG?

2012-05-23 Thread David Glenn
Greetings!

For what it worth, They where trying to port WWII- Online over at Corner Rat 
Software. I wasn't involved directly in that effort at the time (our Mac 
Programmer was at the time I was there), I was too busy on the current game 
effort making sure the infantry move right and to deal with other smoke-n- 
mirror stuff. I left CRS before they finished anything to work with the DOD 
again. I don't recall if they fished it!

I'm in the process of doing a Dancing Anime Girl on Stage - Hatsune Miku. I've 
been so tied up on other off work projects, so the effort keeps getting pushed 
off!



michael kapelko wrote:
 Hi.
 I'm new to OSG. I use OGRE for my game currently, but due to various
 issues I would like to switch to OSG.
 I coudn't find any info on games made with OSG, no pictures in OSG
 Forum - Album - Games, no Google results, only some simulations and
 other non-game stuff. The only game I found is FlightGear.
 I wonder why are there no games on OSG? Or am I missing something?
 Thanks.
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Re: [osg-users] Why no games with OSG?

2012-05-23 Thread michael kapelko
Hi, Thomas.
I was thinking about iOS recently and decided to ask you, if you coded
those apps in C++ or Obj-C? I heard you need to write Obj-C on iOS?

2012/4/24 Thomas Hogarth thomas.hoga...@gmail.com:
 Hi Micheal

 I've completed a few games with OSG

 http://itunes.apple.com/gb/app/apptoyz-alien-attack/id412615924?mt=8

 http://itunes.apple.com/us/app/apptoyz-tin-can-alley/id457520117?mt=8

 I find no problem using osg for games, if you just treat osg as a wrapper 
 around OpenGL and not a game engine.

 There's also the osgbullet lib to handle physics and collisions.

 The main difference you'll find is that rather then calling a specific draw 
 fuction to render your model you need to make sure it can be attached to the 
 scene graph in some way,

 I tend to have a level class with a osg::MatrixTransform, then all level 
 entities are attached to that etc.

 Hope that helps
 Tom

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Re: [osg-users] Why no games with OSG?

2012-05-23 Thread Ulrich Hertlein
Hi Michael,

On 24/05/12 12:45 , michael kapelko wrote:
 I was thinking about iOS recently and decided to ask you, if you coded
 those apps in C++ or Obj-C? I heard you need to write Obj-C on iOS?

You can mix C, C++ and ObjC on iOS.  So the meat of your app could be in C++ 
talking to
OSG and the UIKit stuff can be in ObjC.

Cheers,
/ulrich
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Re: [osg-users] Why no games with OSG?

2012-04-30 Thread Maia Randria
Hi Martin,

Thank you for all explanations.

I will try dtEntity, but surely I need to master OSG before ;-)

Maia

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[osg-users] Why no games with OSG?

2012-04-27 Thread Sergey Kurdakov
Hi,

btw

maybe the stuff I am working on is interesting for you:
http://code.google.com/p/dtentity/ http://code.google.com/p/dtentity/

I would highly recommend dtEntity for game development, because it can
simplify communication
( how things are done  and could be connected ) between artists and
programmers, would allow relatively simple reconfiguration of game
internals, if needed. Knowing several big 'simulation' games from inside, I
see how this approach is beneficial ( besides simulation domain of cause ).
If I ever program 'big game' again, I will use this for sure.

Regards
Sergey
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Re: [osg-users] Why no games with OSG?

2012-04-27 Thread Jan Ciger
On Fri, Apr 27, 2012 at 6:19 AM, Martin Scheffler osgfo...@tevs.eu wrote:

 Hi Maia,

 maybe the stuff I am working on is interesting for you:
 http://code.google.com/p/dtentity/


That looks interesting, I will also have a look. However, I would suggest
using Bullet instead of PhysX - being dependent on a library that works
only on a GPU from a single vendor and is not open source is probably not
the best idea.

Jan
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Re: [osg-users] Why no games with OSG?

2012-04-27 Thread Martin Scheffler
Actually the physx binding is no longer part of dtEntity, as I did not ever use 
it and it never really reached the point where it would be useful.

I agree that Bullet would be a good choice for a physics engine, it should be 
possible to use osgBullet together with dtEntity.

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Re: [osg-users] Why no games with OSG?

2012-04-27 Thread Maia Randria

Martin Scheffler wrote:
 Hi Maia,
 
 maybe the stuff I am working on is interesting for you:
 http://code.google.com/p/dtentity/
 
 DtEntity is similar to Delta3D in its functionality (it started as a Delta3D 
 module), but it is more lightweight and less intrusive.
 DtEntity is a game and simulation system for OSG. It has basic support for 
 OSGAnimation and Cal3D (osgCal3d wrapper not included, please ask if you are 
 interested in that). It offers a component-based entity system for handling 
 simulation objects, XML map loading, sound support, heads up displays and 
 lots of other stuff.
 
 It is very easy to integrate dtEntity with other OSG libraries like VESuite, 
 OSGOcean, OSGEarth and so on, simply because dtEntity is only a thin layer on 
 top of OSG.
 
 Cheers,
 Martin


Hi Martin,

Thank you for the suggestion. Yes, I had already looked at dtEntity, but after  
reading some posts about it on delta3D forum, I have some concerns (eg: less 
intuitive for OO programmers; don't over-use ref ptrs; an entity is simply an 
ID with no data attached). Also, I am not sure if it is working with VR Juggler 
(for CAVE configuration, etc.), allows devices integration through VRPN, 
networking. Could you tell if it does ?

But I will give it a try for sure, and I am interested to have osgCal3d. 

Thank you,

Maia

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Re: [osg-users] Why no games with OSG?

2012-04-27 Thread Martin Scheffler
Hi Maia,

to answer your questions:

 less intuitive for OO programmers

Entity systems do not use inheritance (well, dtEntity does, components can form 
an inheritance structure) and do less encapsulation than traditional object 
systems. But once you understand the basic idea it is very nice to have all 
functionality of one sort bundled away in an entity system. For example look at 
the sound system: All sound related stuff is in the SoundSystem object and the 
components it holds. You can easily and efficiently iterate over all sound 
components because they are held in a central data structure. No other part of 
the system needs to know about sounds. You can unload or start the sound system 
during run time, no restart or recompile needed. I think all this flexibility 
makes it worth to move away from inheritance based systems or traditional 
object-stored component systems.

About using less ref_ptrs: Objects referenced by ref_ptrs must be created with 
new() on the heap and can not be held by memory managers like boost::pool. So 
not using them makes the system more flexible. You can do your own memory 
management for components, which can be important for speed-critical parts. 

 Also, I am not sure if it is working with VR Juggler (for CAVE configuration, 
 etc.), allows devices integration through VRPN, networking. Could you tell if 
 it does ? 
If OSG can do it then dtEntity can do it. dtEntity is simply a framework for 
controlling the OSG scene graph. While there is some setup code for getting an 
osgViewer started and registering to keyboard/mouse events, you can choose to 
not use that code and do your individual setup that maybe only uses parts of 
dtEntity.

About osgCal3: I have written a simple entity system that currently only allows 
starting and stopping animations from JavaScript or C++, also attaching mesh 
nodes to animation bones. I will commit it to the dtEntity trunk when I return 
to work on wednesday, ok?

Cheers, 

Martin

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Re: [osg-users] Why no games with OSG?

2012-04-26 Thread Maia Randria

S2LR wrote:
 Hi,
 
 As others have pointed out, OSG is not a game engine. It's a scene graph and 
 should be used in this context (no pun intended). There are plenty of 
 rendering technologies that use OSG under the hood. When I went to IITSEC 
 last year, there were a lot of vendors using OSG underneath for rendering.
 
 In terms of gaming, take a look at Delta3D which is an open source gaming 
 engine using OSG technology...
 
 http://www.delta3d.org/
 
 -Shayne



Hi,

Being new to OSG, I might miss something but I can’t see the difference between 
OSG  and Delta3D.
OSG can have several tools (VRPN as does delta3D), audio (osgAudio vs. openAL 
for delta3D), physics (osgODE vs. ODE for delta3D), GUI (osgQt), animation 
(osgCal  osgAnimation vs. cal3D for Delta3D).
By adding these stuffs, if I am not wrong, is OSG becoming like a full game 
engine (equivalent to delta3D)?

I found even some old discussions between people on the forum (pro-delta3D) not 
agreeing, for example, to add audio to osg since this is scenegraph, etc.

What is the difference between these two opensource (I mean, once these tools 
added) ? What would be your advice for a newbie to delta3D/OSG ?

Thank you,

Maia

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Re: [osg-users] Why no games with OSG?

2012-04-26 Thread Chris Hanson

  As others have pointed out, OSG is not a game engine. It's a scene graph
 and should be used in this context (no pun intended). There are plenty of
 rendering technologies that use OSG under the hood. When I went to IITSEC
 last year, there were a lot of vendors using OSG underneath for rendering.



 Being new to OSG, I might miss something but I can’t see the difference
 between OSG  and Delta3D.
 OSG can have several tools (VRPN as does delta3D), audio (osgAudio vs.
 openAL for delta3D), physics (osgODE vs. ODE for delta3D), GUI (osgQt),
 animation (osgCal  osgAnimation vs. cal3D for Delta3D).
 By adding these stuffs, if I am not wrong, is OSG becoming like a full
 game engine (equivalent to delta3D)?


  Well, many of those projects you cite are not part of OSG, rather they
are add-ons to OSG.

  yes, they overlap some capability of D3D, but D3D sort of delivers them
as an integrated whole, with a number of additional features as well.


 I found even some old discussions between people on the forum
 (pro-delta3D) not agreeing, for example, to add audio to osg since this is
 scenegraph, etc.


  Welcome to Open Source!


 What is the difference between these two opensource (I mean, once these
 tools added) ? What would be your advice for a newbie to delta3D/OSG ?


  If you're writing a simulation game, Delta3D (or FlightGear) offer many
helpful features.

  However, many people prefer to work closer to the metal so to speak, and
if they don't find the lack of those features to be an issue for their
particular type of game, then they go with plain OSG (and sometimes
re-invent some of those features themselves, possibly because they prefer
to do it their way instead of D3D's way).
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Re: [osg-users] Why no games with OSG?

2012-04-26 Thread Maia Randria
Hi Chris,
Thanks for your quick response.
Yes, I understood that these are add-ons but once added, OSG seems to be 
quite similar to Delta3 ? This could be confusing, at least for me.

For our applications, we intend to interact with several human characters (with 
audio, then lipsynch, etc.): what would be your advice ? I read somewhere in 
this forum that osgAnimation can only use one character (compared to many in 
Delta3D) ? Am I right ?

Cheers,

Maia

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Re: [osg-users] Why no games with OSG?

2012-04-26 Thread Chris Hanson
On Thu, Apr 26, 2012 at 12:17 PM, Maia Randria 
veneree.randrianari...@crulrg.ulaval.ca wrote:

 Hi Chris,
 Thanks for your quick response.
 Yes, I understood that these are add-ons but once added, OSG seems to be
 quite similar to Delta3 ? This could be confusing, at least for me.


  There is not rule saying things can't be similar. Don't worry about it.
They are what they are.


 For our applications, we intend to interact with several human characters
 (with audio, then lipsynch, etc.): what would be your advice ? I read
 somewhere in this forum that osgAnimation can only use one character
 (compared to many in Delta3D) ? Am I right ?


  The little that you describe doesn't really require the game engine
aspects of either, so it's hard to say.

  I don't know if osgAnimation can only handle one character, but I've
never heard that myself. I don't think Delta3D especially offers anything
to do with lip sync anyway.

  Depending on your character needs, you might consider looking at DI-GUY,
I don't know if it would help you at all.



 Cheers,

 Maia

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Re: [osg-users] Why no games with OSG?

2012-04-26 Thread Maia Randria
Hi,

Thank you for replying and for redirecting me to DI-GUY: very interesting 
product !

Our application should work within a CAVE and we plan to use VR Juggler + OSG 
for that, I don't know if DI-GUY is working for a CAVE and how flexible it is, 
I will contact them.

Cheers,

Maia

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Re: [osg-users] Why no games with OSG?

2012-04-26 Thread Chris Hanson
On Thu, Apr 26, 2012 at 2:08 PM, Maia Randria 
veneree.randrianari...@crulrg.ulaval.ca wrote:

 Hi,
 Thank you for replying and for redirecting me to DI-GUY: very interesting
 product !
 Our application should work within a CAVE and we plan to use VR Juggler +
 OSG for that, I don't know if DI-GUY is working for a CAVE and how flexible
 it is, I will contact them.


  Check into VE-Suite http://www.vesuite.org/

  It's an OSG+VRJuggler environment intended for use in a CAVE.

  I don't think it uses DI-Guy, but it could be a useful starting point for
you for OSG+VRJ integration.
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Re: [osg-users] Why no games with OSG?

2012-04-26 Thread Maia Randria
Ok, thank you, I will have a look.
Maia


Chris Hanson wrote:
 On Thu, Apr 26, 2012 at 2:08 PM, Maia Randria  () wrote:
 
  Hi,
  Thank you for replying and for redirecting me to DI-GUY: very interesting 
  product !
  Our application should work within a CAVE and we plan to use VR Juggler + 
  OSG for that, I don't know if DI-GUY is working for a CAVE and how flexible 
  it is, I will contact them.
  
 
 
   Check into VE-Suite http://www.vesuite.org/ (http://www.vesuite.org/)
 
 
   It's an OSG+VRJuggler environment intended for use in a CAVE.
 
 
   I don't think it uses DI-Guy, but it could be a useful starting point for 
 you for OSG+VRJ integration.
 -- 
 
 Chris 'Xenon' Hanson, omo sanza lettere.  http://www.alphapixel.com/ 
 (http://www.alphapixel.com/)
 Training • Consulting • Contracting
 3D • Scene Graphs (Open Scene Graph/OSG) • OpenGL 2 • OpenGL 3 • OpenGL 4 • 
 GLSL • OpenGL ES 1 • OpenGL ES 2 • OpenCL
 Digital Imaging • GIS • GPS • Telemetry • Cryptography • Digital Audio • 
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Re: [osg-users] Why no games with OSG?

2012-04-26 Thread Maia Randria
Hi Chirs, 

VE-Suite seems to be very simulation oriented: not sure it is suitable to our 
needs.

I would like to try DeltaJug (Delta3D +VR Juggler) or (OSG + VR Juggler): I 
like  OSG (I bought the two books of Wang Rui), it seems very clean and the 
community seems to be larger than for Delta3D.

Maia



Chris Hanson wrote:
 On Thu, Apr 26, 2012 at 2:08 PM, Maia Randria  () wrote:
 
  Hi,
  Thank you for replying and for redirecting me to DI-GUY: very interesting 
  product !
  Our application should work within a CAVE and we plan to use VR Juggler + 
  OSG for that, I don't know if DI-GUY is working for a CAVE and how flexible 
  it is, I will contact them.
  
 
 
   Check into VE-Suite http://www.vesuite.org/ (http://www.vesuite.org/)
 
 
   It's an OSG+VRJuggler environment intended for use in a CAVE.
 
 
   I don't think it uses DI-Guy, but it could be a useful starting point for 
 you for OSG+VRJ integration.
 -- 
 
 Chris 'Xenon' Hanson, omo sanza lettere.  http://www.alphapixel.com/ 
 (http://www.alphapixel.com/)
 Training • Consulting • Contracting
 3D • Scene Graphs (Open Scene Graph/OSG) • OpenGL 2 • OpenGL 3 • OpenGL 4 • 
 GLSL • OpenGL ES 1 • OpenGL ES 2 • OpenCL
 Digital Imaging • GIS • GPS • Telemetry • Cryptography • Digital Audio • 
 LIDAR • Kinect • Embedded • Mobile • iPhone/iPad/iOS • Android
 
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Re: [osg-users] Why no games with OSG?

2012-04-26 Thread Martin Scheffler
Hi Maia,

maybe the stuff I am working on is interesting for you:
http://code.google.com/p/dtentity/

DtEntity is similar to Delta3D in its functionality (it started as a Delta3D 
module), but it is more lightweight and less intrusive.
DtEntity is a game and simulation system for OSG. It has basic support for 
OSGAnimation and Cal3D (osgCal3d wrapper not included, please ask if you are 
interested in that). It offers a component-based entity system for handling 
simulation objects, XML map loading, sound support, heads up displays and lots 
of other stuff.

It is very easy to integrate dtEntity with other OSG libraries like VESuite, 
OSGOcean, OSGEarth and so on, simply because dtEntity is only a thin layer on 
top of OSG.

Cheers,
Martin

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Re: [osg-users] Why no games with OSG?

2012-04-25 Thread Robert Osfield
Hi Michael,

On 25 April 2012 04:14, michael kapelko korn...@gmail.com wrote:
 Seeing games that actually exist I wonder why is Games - Album empty
 then.

Are you referring to a specific link on openscenegraph.org that is
empty, or just a general comment that Games and OSG aren't well
advertised?  If the former could you point to the place where you are
looking.

 Its emptiness gives false impression of abandonment.

Our old Trac wiki is a little under loved.

 OGRE forums has Showcase forum where people advertise their work. I
 see Announcments here, but it's 99% of job postings.
 Also, the site posts monthly updates on people work progress which
 gives good impression of what one can do with OGRE.

 Why not do the same for OSG?

Good suggestion.  Our Screenshots is kinda of showcase, but not a
great one given that it's not really keeping up to date, rather it's
got populated a number of years ago and hasn't been updated much
since.

With the new Joomla website in the works we can work on making the
content easier to use and find information for end users, as well make
it easier for the community to contribute to it, and for it to keep
track of latest news etc.

Feel free to chip in with the discussions on the new site.

--

As a general note about Games and OSG vs Ogre, I suspect it's partly
down the roots of each project and the culture that grew up around it.
 OSG grew from the vis-sim world and over the years grew into a
general purpose and highly portable scene graph library, with it's
community coming form the professional simulator, large scale
visualization, VR and scientific markets.  Whereas Ogre from the start
was graphics API for Games, it too though can be used for more things
than games but and culturally games looks to have remained it's
heartland.

Perhaps one aspect to our project websites that reflects the cultural
differences might be the professional non games market tends to not
put much effort in advertising results, major projects can roll out
ontop of the OSG and no one in the public ever gets to know about it -
even though they might see it on TV every day!  Whereas in the Game
centric communities their is a demo scene sub-culture, great artwork,
effects and dynamic game sequences is what gets your work noticed.

Robert.
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Re: [osg-users] Why no games with OSG?

2012-04-25 Thread Jordi Torres
Hi Michael,

We are not changing the forum. We are changing our website. The old website
is in http://openscenegraph.org and the new one in
http://openscenegraph.com. We are in our firsts steps in this change
and now we have the chance to
redesign all the content in the old wiki. Giving better access to
documentation, adding new pictures or video of community members work, etc.
Any member of the community can ask for permissions to edit the new web and
add new content.

You can read the web discussion in the topic Building new website,
assistance appreciated! in this list or the forum.

Cheers.

2012/4/25 michael kapelko korn...@gmail.com

 Robert, I'm referring to this:
 http://forum.openscenegraph.org/album_cat.php?cat_id=8
 Good to hear of new forum, because old phpBB gives stone age impression
 too :)
 Folks at Ogre simply accept news to be featured on the main page
 (ogre3d.org) to n...@ogre3d.org and post a digest once a month or two.
 Commercial or big ones even get their own news item featuring youtube
 video and such.

 As for chipping in to the discussion, how do I locate it?

 Thanks.
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http://gvsig3d.blogspot.com
Instituto de Automática e Informática Industrial
http://www.ai2.upv.es
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Re: [osg-users] Why no games with OSG?

2012-04-25 Thread Robert Osfield
Hi Michael,

On 25 April 2012 11:01, michael kapelko korn...@gmail.com wrote:
 Robert, I'm referring to this:
 http://forum.openscenegraph.org/album_cat.php?cat_id=8

Thanks for the pointer, I'm not a forum user directly, simply using
the osg-users mailing list which gets mirrored on the forum.  This
means I don't track the contents of the forum, I'd guess that this
entry was put up in the hope that it'd get populated, but most of the
community probably never new about it...  A problem with having
information spread too thinly.

 Good to hear of new forum, because old phpBB gives stone age impression too 
 :)
 Folks at Ogre simply accept news to be featured on the main page
 (ogre3d.org) to n...@ogre3d.org and post a digest once a month or two.
 Commercial or big ones even get their own news item featuring youtube
 video and such.

As Jordi mentions right now we are just looking at the website, not
the forum itself which is working fine.  If we did change the forum it
would have to remain something that one that can mirror the mailing
list as some users prefer mailing lists and some prefer forums but by
keeping them in sync we can avoid much of the potential bifurcation of
the community.

 As for chipping in to the discussion, how do I locate it?

Just post a discussion on the mailing list or forum.

Robert.
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Re: [osg-users] Why no games with OSG?

2012-04-25 Thread Terry Welsh
 Nice, lunar lander and thrust, :-), ok I am showing my age!
 I assume that will be available on Iphone/Android?

 Martin

I'm more of an Oids man.  I guess I'm showing my age too.  So far no
plans for iPhone/Android.  It's just on Windows and Linux.  It would
be cool to have it on tablets, but it requires really precision
controls which might be big problem.  Hopefully I'll get to try it on
a tablet someday and find out I don't know what I'm talking about.

 Terry, that's some very nice looking game! Good luck with that! Our
 team is currently working on Mahjong:
 http://opengamestudio.org/lang/en/ogs-mahjong , but we're thinking of
 a scroll shooter too, once we finish Mahjong :)

Nice Mahjong video.  The lighting and shadows look really sexy.
--
Terry Welsh
mogumbo 'at' gmail.com
www.reallyslick.com
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[osg-users] Why no games with OSG?

2012-04-24 Thread michael kapelko
Hi.
I'm new to OSG. I use OGRE for my game currently, but due to various
issues I would like to switch to OSG.
I coudn't find any info on games made with OSG, no pictures in OSG
Forum - Album - Games, no Google results, only some simulations and
other non-game stuff. The only game I found is FlightGear.
I wonder why are there no games on OSG? Or am I missing something?
Thanks.
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Re: [osg-users] Why no games with OSG?

2012-04-24 Thread Maxim Gammer
Hi. games for training examples

http://www.openscenegraph.org/projects/osg/wiki/Screenshots/RI
http://www.openscenegraph.org/projects/osg/wiki/Screenshots/TSOGU


2012/4/24 michael kapelko korn...@gmail.com:
 Hi.
 I'm new to OSG. I use OGRE for my game currently, but due to various
 issues I would like to switch to OSG.
 I coudn't find any info on games made with OSG, no pictures in OSG
 Forum - Album - Games, no Google results, only some simulations and
 other non-game stuff. The only game I found is FlightGear.
 I wonder why are there no games on OSG? Or am I missing something?
 Thanks.
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Re: [osg-users] Why no games with OSG?

2012-04-24 Thread michael kapelko
Yes, that's what I meant by simulations and other non-game stuff.
I mean games like Half-Life, Morrowind, Garsharp, Proun, for end users
to relax, not for any kind of training.
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Re: [osg-users] Why no games with OSG?

2012-04-24 Thread Sebastian Messerschmidt

Hi Michael,

I guess that there some reasons we don't see OSG for games so much.
First, OGRE is more than a render kit if I remember correctly and OSG is 
not a game engine per se.
As most people starting with games want to see fast progress they often 
stick to a game engine where they don't have to care about the details 
so much in the beginning.
OSG is first of all a scene graph that brings some really nice add-ons 
like event handlers, node-kits and it can read various input formats for 
geometry and images.
But it doesn't abstract game objects/physical entities, neither does it 
primarily manage the rest of game.
For me this is the reason I never sticked to one of the game engines 
around there, as I really need a clean rendering framework, that only 
serves as a back end for me.
Also I think that many people simply go with DirectX. There are heaps of 
tutorials and game projects based on this which is sort of a 
multiplicator for DirectX.
Personally I think of OSG as an extensible framework for rendering. I 
perform all the control regarding the objects in the scene in components 
that aren't really aware of the rendering part at all.


cheers
Sebastian

Hi.
I'm new to OSG. I use OGRE for my game currently, but due to various
issues I would like to switch to OSG.
I coudn't find any info on games made with OSG, no pictures in OSG
Forum -  Album -  Games, no Google results, only some simulations and
other non-game stuff. The only game I found is FlightGear.
I wonder why are there no games on OSG? Or am I missing something?
Thanks.
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Re: [osg-users] Why no games with OSG?

2012-04-24 Thread Garth D


Hi Michael,

I don't believe you'll find too many games, but you'll find a 
respectable number of completed simulations and other projects, along 
with a good number of people working professionally with it.


Coming from an OGRE background you'll probably appreciate the number of 
included examples, the speed in which you can get started, and the 
presence of the osgconv tool, which doesn't really have an OGRE equivalent.


Of course, the best way to determine suitability for your own project is 
to experiment with it. There are plenty of included examples that will 
guide you in this; I went through a similar process myself.


Cheers,
Garth

On 24/04/12 17:58, michael kapelko wrote:

Hi.
I'm new to OSG. I use OGRE for my game currently, but due to various
issues I would like to switch to OSG.
I coudn't find any info on games made with OSG, no pictures in OSG
Forum -  Album -  Games, no Google results, only some simulations and
other non-game stuff. The only game I found is FlightGear.
I wonder why are there no games on OSG? Or am I missing something?
Thanks.
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Re: [osg-users] Why no games with OSG?

2012-04-24 Thread Thomas Hogarth
Hi Micheal

I've completed a few games with OSG

http://itunes.apple.com/gb/app/apptoyz-alien-attack/id412615924?mt=8

http://itunes.apple.com/us/app/apptoyz-tin-can-alley/id457520117?mt=8

I find no problem using osg for games, if you just treat osg as a wrapper 
around OpenGL and not a game engine.

There's also the osgbullet lib to handle physics and collisions.

The main difference you'll find is that rather then calling a specific draw 
fuction to render your model you need to make sure it can be attached to the 
scene graph in some way,

I tend to have a level class with a osg::MatrixTransform, then all level 
entities are attached to that etc.

Hope that helps
Tom

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Re: [osg-users] Why no games with OSG?

2012-04-24 Thread Terry Welsh
Well, my game is called Retrobooster, but it isn't finished yet.  It's
at www.reallyslick.com and it's all for fun; absolutely not for
simulation, training, or education of any kind.  Yuck!  OSG has been a
good tool for this so far, but I have little experience with game
engines such as Ogre.  I can't imagine using plain DirectX or OpenGL.
If you want to have any kind of complexity in the rendering, you
really need higher-level tools than that.

And I recall seeing screenshots for Pirates of the XXI Century, but I
don't know if that game was ever finished.  Anyone know what happened
to it?
- Terry
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Re: [osg-users] Why no games with OSG?

2012-04-24 Thread Jason Daly

On 04/24/2012 01:24 PM, Terry Welsh wrote:

And I recall seeing screenshots for Pirates of the XXI Century, but I
don't know if that game was ever finished.  Anyone know what happened
to it?


I was going to mention it, but I couldn't find any active links for it 
either.  I saw it being demoed in nVidia's booth at SIGGRAPH one year.  
I don't know if it ever was finished, but it seems that the developer 
Diosoft is now out of business.


It was a gorgeous-looking game, though.  There are some screenshots here:

http://www.gamershell.com/pc/pirates_of_the_xxi_century/screenshots.html

--J
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Re: [osg-users] Why no games with OSG?

2012-04-24 Thread Martin Naylor
Nice, lunar lander and thrust, :-), ok I am showing my age!
I assume that will be available on Iphone/Android?

Martin


-Original Message-
From: osg-users-boun...@lists.openscenegraph.org
[mailto:osg-users-boun...@lists.openscenegraph.org] On Behalf Of Terry Welsh
Sent: 24 April 2012 18:25
To: osg-users@lists.openscenegraph.org
Subject: Re: [osg-users] Why no games with OSG?

Well, my game is called Retrobooster, but it isn't finished yet.  It's at
www.reallyslick.com and it's all for fun; absolutely not for simulation,
training, or education of any kind.  Yuck!  OSG has been a good tool for
this so far, but I have little experience with game engines such as Ogre.  I
can't imagine using plain DirectX or OpenGL.
If you want to have any kind of complexity in the rendering, you really need
higher-level tools than that.

And I recall seeing screenshots for Pirates of the XXI Century, but I don't
know if that game was ever finished.  Anyone know what happened to it?
- Terry
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Re: [osg-users] Why no games with OSG?

2012-04-24 Thread Shayne Tueller
Hi,

As others have pointed out, OSG is not a game engine. It's a scene graph and 
should be used in this context (no pun intended). There are plenty of rendering 
technologies that use OSG under the hood. When I went to IITSEC last year, 
there were a lot of vendors using OSG underneath for rendering.

In terms of gaming, take a look at Delta3D which is an open source gaming 
engine using OSG technology...

http://www.delta3d.org/

-Shayne

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Re: [osg-users] Why no games with OSG?

2012-04-24 Thread michael kapelko
Shayne, yeah, I've found Delta3D, but I saw the same simulations in there.
As for OGRE, it's only rendering engine, it's so only for rendering,
that it uses external library for input which actually gives me most
headaches.
Terry, that's some very nice looking game! Good luck with that! Our
team is currently working on Mahjong:
http://opengamestudio.org/lang/en/ogs-mahjong , but we're thinking of
a scroll shooter too, once we finish Mahjong :)
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Re: [osg-users] Why no games with OSG?

2012-04-24 Thread michael kapelko
Thomas, great to see games for Apple.

Seeing games that actually exist I wonder why is Games - Album empty
then. Its emptiness gives false impression of abandonment.
OGRE forums has Showcase forum where people advertise their work. I
see Announcments here, but it's 99% of job postings.
Also, the site posts monthly updates on people work progress which
gives good impression of what one can do with OGRE.

Why not do the same for OSG?
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