Re: [JAVA3D] Nasa's Fastscript3d Java3d

Where exactly is the line between slander and freedom of speech? Also, doesn't the international nature of internet newsgroups make it difficult to prosecute? I have seen lots of flame wars over the years (and this is one of them) and I think most people can sense which are the sane posters and

Re: [JAVA3D] AW: [JAVA3D] Confused with the appearance

You need to add normals to your triangle if you want to light it.   David Yazelhttp://www.magicosm.nethttp://xith3d.dev.java.net/"No matter how complicated it looks, in the end it is just a bunch of triangles" - Original Message - From: Robert Gomez-Reino To: [EMAIL PROTECT

Re: [JAVA3D] Bounds

There are many deffinitions of a "correct and accurate bound". In general you should not be specifying bounds explcitely unless your geometry is changing rapidly, whereupon you could turn off autocompute and set the bounds yourself. In general a bounding sphere is the best way to go and that i

[JAVA3D] Please vote for Xith3D as a Javagaming initiative

According to the new governance guidelined for game.java.net each open source project has to be approved by the community. You can read the guidelines here: http://games.dev.java.net/govern.html Discussion for new projects happen on the [EMAIL PROTECTED] mailing list, which you can subscribe t

Re: [JAVA3D] How can put color to back side of plane

try pattr.setBackFaceNormalFlip(true); Dave >-Original Message- >From: Alessandro Borges [mailto:[EMAIL PROTECTED] >Sent: Thursday, July 17, 2003 07:04 PM >To: [EMAIL PROTECTED] >Subject: Re: [JAVA3D] How can put color to back side of plane > >The back face is black becouse there is no lig

Re: [JAVA3D] Help with transparent textures please :)

Two hings to consider:   1. Your blending is currently setting them to compltely opaque.  Of course you could be using vertex colors with alphas, so I am not sure.  But if you are depending on the transparency attributes then you should set this to something less than 1.   2. The lowest granu

[JAVA3D] High performance java3d renderer for games

I have embarked in a project to produce a renderer for the Java3d scenegraph which is targeted at game development.  The project is already making great progress and I am looking for advice on the design and feature set.  Please feel free to drop by and comment on this thread:   http://www.j

Re: [JAVA3D] Viewer/Object Collision Detection

There is a reason why no one is answering...I don't think anyone uses it.  It doesn't work very well.  You can try casting a ray from the corners of your view before you actually move the view to see if it will intersect.  You can also create a bounding box, transform it to where you would w

Re: [JAVA3D] Is Java3D dead?

I have not heard that Java3D is dead.  After 4 years of work I sure hope it isn't.   But if worse comes to worse it would not be horrendous to write a renderer for the Java3D scene graph, especially if you are porting a specific app.  I am convinced scene graphs are the way to build large 3D

Re: [JAVA3D] blending two textures using an alpha mask

tts. Construct an ordered group and put the splat laters into it. The base * layer should be so specified in the splat constructor so that it does not * make it transparent. * Copyright (c) 2000-2002, David J. Yazel * Teseract Software, LLP * @author David Yazel * */ public class Sp

Re: [JAVA3D] OpenGL Depth Test in Java3D

It is in the RenderingAttributes object within the Appearance. Dave Yazel http://www.magicosm.net - Original Message - From: "Ranjan.George" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, December 30, 2002 6:36 AM Subject: [JAVA3D] OpenGL Depth Test in Java3D Hi All, I am a

Re: [JAVA3D] Again on "Geometry looks transparent"

Ouch :) Please put on your flame retardent suit and hunker down. Dave - Original Message - From: "Alejandro Allievi" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, October 28, 2002 9:45 PM Subject: Re: [JAVA3D] Again on "Geometry looks transparent" Your program compiles only

[JAVA3D] Indexed geometry

Hi all. I have a couple of questions regarding indexed geometry. 1. There seesm to be no way to define the indices and by-ref. Is that correct? So the only way to set the indices is either to pass in an array using setCoordinateIndices(int index, int[]) or to set each one at a time with setCoor

[JAVA3D] Alpha terrain splatting

Thanks to some help from Kelvin from Sun we got terrain splatting working. You need to use an ordered group, not a decal group if you want to get a zbuffer test of <=. The decal group disables the zbuffer test completely. Here are some screenshots: http://www.magicosm.net/screenshots/cosm900.jp

Re: [JAVA3D] What's the status of Java3D for Mac OS-X ?

We would also like Java3d on Mac-OS. Let me know what congressman I need to write :) Dave Yazel === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For gene

Re: [JAVA3D] Decal + Alpha blending problem

passes in the solid >>> rendering portion? The problem is that since it is done after all >>> solids >>> >> it >> >>> contends with other alpha blended shapes in some instances. Since it is >>> coplanar with the terrain there is no reaso

Re: [JAVA3D] Decal + Alpha blending problem

PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, September 06, 2002 11:03 AM Subject: Re: [JAVA3D] Decal + Alpha blending problem David Yazel wrote: > Decal groups seme to have an artifact that I can't seem to get around. If I > am alpha blending between terrain layers java3d

[JAVA3D] Decal + Alpha blending problem

ffect? Thanks! David Yazel === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body

[JAVA3D] Internal Error

Running Java3d 1.3 rc we are sometimes getting these errors... any idea what this might mean? Internal Error : freeTexture ID 240, textureTableLen 68 Internal Error : freeTexture ID 235, textureTableLen 68 Internal Error : freeTexture ID 233, textureTableLen 68 Internal Error : freeTexture ID 37

[JAVA3D] Advanced terrain texturing - continued

I have solved most of the performance issues I was encountering with terrain splatting. I pushed all the level 0 patches up to level 1 and made 64x64 meters the size of level 0 patches in the quadtree. Level 1+ textures are pre-calculated for all patches and level 0 is a combination of dynamic s

[JAVA3D] EXT_fog_coord

Unless I have missed it somewhere, Java3d does not support the EXT_fog_coord extension? http://www.opengl.org/Documentation/Version1.2/EXTspecs/fog_coord.txt Any idea when and if this will be added? It seems an easy way to add volumetric fog. Dave Yazel ===

[JAVA3D] Re-using geometry for decals

Is there any legal way to use the the same GeometryArray in multi-pass rendering (ala decal group)? Is it legal to assign the same GeometryArray to multiple shapes? Even with by-ref geometry my fear would be that Java3d would have seperate display lists for each geometry array, even though it is

Re: [JAVA3D] Advanced terrain texturing - help needed

ort of caching on these textures. Just an idea. Kev David Yazel wrote: >Hello all! > >I am beta testing an unnamed online game. This game is "state of the art" >when it comes to the graphics and I have had a great deal of fun trying to >figure out how they are doing a fe

[JAVA3D] Advanced terrain texturing - help needed

ot want the road "popping" in front of you as you moved, but rather to unroll smoothly. Perhaps we could have the alpha mask texture as by-ref and modify it at runtime each frame by masking out the edges? Any thoughts or suggestions would be appreciated! David Yazel

Re: [JAVA3D] Texture

Set the PolygonAttributes.setPolygonMode(POLYGON_FILL ); Dave Yazel http://www.magicosm.net - Original Message - From: "Andy" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, August 12, 2002 10:25 PM Subject: [JAVA3D] Texture When I create a shape3d object(e.g. linearray), how

Re: [JAVA3D] Model clipping

terrain with holes use one option or the other. - Mauricio -Original Message- From: David Yazel [mailto:[EMAIL PROTECTED]] Sent: Monday, July 15, 2002 2:49 PM To: [EMAIL PROTECTED] Subject: Re: [JAVA3D] Model clipping I never got a response on this, so I thought I would resend it. Also, can

Re: [JAVA3D] Model clipping

t;Mark Hood" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, July 15, 2002 3:38 PM Subject: Re: [JAVA3D] Model clipping > Date: Mon, 15 Jul 2002 14:48:53 -0400 > From: David Yazel <[EMAIL PROTECTED]> > > I never got a response on this, so I tho

Re: [JAVA3D] Model clipping

I never got a response on this, so I thought I would resend it. Also, can anyone explain the Vector4d that defines the clipping planes, or does anyone have examples of how this works? Thanks, David Yazel - Original Message - From: "David Yazel" <[EMAIL PROTECTED]

Re: [JAVA3D] which overlay system to use ?

I have not played much with the graphics 2d system in Java3d. When I tried it 2 years ago it wasn't working very well. We do all our overlays with 3d geometry and have been pretty happy with it. Here is an example: http://www.magicosm.net/screenshots/cosm740.jpg I think the j3d.org has an over

Re: [JAVA3D] textures are not behaving anymore in beta2

I ran into the same problem. It seems to be fixed in the final release (which I have tested). Dave Yazel - Original Message - From: "Matt Carlson" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, June 30, 2002 7:05 AM Subject: [JAVA3D] textures are not behaving anymore in beta2

Re: [JAVA3D] depth sorting

John Ratcliff has published an algorithm called sphere trees which would be perfect for you. I have started porting his C code into Java. We will be using it for particles and weeds and other things where we have many thousands of objects which we need to render differently on every frame. I do

[JAVA3D] Model clipping

Is it possible to define a model clip such that it makes a hole in geometry? In other words can the clipping planes be defined such that the planes face outward? In particular I want to put holes in the terrain to give access to basements, etc. And when it does clip, does it slice triangles or j

[JAVA3D] USE_COORD_INDEX_ONLY

r allocate the other indexes? (color, normals, etc) 5. How have people found the performance of using indexed arrays? Thanks in advance! David Yazel === To unsubscribe, send email to [EMAIL PROTECTED] and include in the b

Re: [JAVA3D] Multitexturing combine bug ?

itexturing combine bug ? The REPLACE limitation only applies to TextureAttributes.COMBINE mode. For the other TextureAttribute modes multipass works just fine. And, it is an implementation limitation of Java 3D 1.3. We will look into fixing it in 1.3.1. Doug Twilleager Java 3D Team Sun Mic

Re: [JAVA3D] Multitexturing combine bug ?

I am confused... I thought Sun said that if the number of texture units exceeds the number of availabled texture units it will fall back to multi-pass. Multi-pass with replace is not multi-pass right? It just overwrites everything. So how would we, for example, do a 3-4+ pass quake III like rend

Re: [JAVA3D] Queries on creating/using picking proxies

Sorry I am in a hurry... but have you tried 1. creating branchgroups with no geometry, with user data pointing to the real branchgroup 2. set bounds autocompute off 3. Set the bounds to the bounds of the other branchgroup 4. Pick against the scene for bounds For the case where you dont want to u

Re: [JAVA3D] Wakeup when visible

I hate to say it, but this is one of those things where we have been augmenting the Java3d system. We allow behaviors to be registered with a central system. When it registers it passes activation bounds along with the behavior. On each frame we scan this list of registered behaviors and check

[JAVA3D] Rendering terrain beyong clip range

I have been trying to find out how to render 20+ KM of terrain without having the clip set to > 20K. I don't think there is any way to render geometry farther than the clip. The Clip node overrides the view's clip, but does so for all geometry in view. The ModelClip leaf is still bounded by the

Re: [JAVA3D] Zoom without moving the Viewpoint

I realized after I sent this that my ramblings are probably not helpful. Sorry if this created more confusion than clarity. dave - Original Message - From: "David Yazel" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, May 11, 2002 2:22 PM Subject: Re:

Re: [JAVA3D] Zoom without moving the Viewpoint

Thats a good question. To answer it you need to consider what a view is really doing. It is taking an image plate (your screen) and transforming the 3d geometry so that it renders in the 2d space, perfectly matching your screen, basically flattening the 3d. This transformation uses a projection

Re: [JAVA3D] Zbuffer question

ransparency sort order setting in 1.3 beta 1 or 2? I get lots of strange transparency overdraw problems with pre beta 1 API's. BTW--the image (other than the overlap) looks awesome. I'm dreading that part of my project =D Scott -Original Message- From: David Yazel [mailto

[JAVA3D] Zbuffer question

overwrite the window. But it I am reading and writing the zbuffer for the windows then I get zbuffer fighting. Is this a bug? Or am I doing something wrong? David Yazel <>

Re: [JAVA3D] Beta2 is there

I am having the same issue. I cannot run the installer... could you explain your solution a bit more? Thanks, David Yazel - Original Message - From: "Joerg 'Herkules' Plewe" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 01, 2002 5:5

Re: [JAVA3D] Magicosm demo movie

enshots), and any idea how many poly's you're showing typically? And how many are in those trees? I'm guessing you've done some serious optimizing with the number of trees I see in this video... Impressive stuff, and a fantastic example of J3D in action. Scott - Ori

Re: [JAVA3D] Magicosm demo movie

- Original Message ----- From: "David Yazel" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, April 30, 2002 11:52 PM Subject: Re: [JAVA3D] Magicosm demo movie > That was taken on a geforce II, which it runs at about 50fps. It runs at > 100 fps on a gef

Re: [JAVA3D] Magicosm demo movie

IL PROTECTED]> Sent: Wednesday, May 01, 2002 12:40 AM Subject: Re: [JAVA3D] Magicosm demo movie Absolutly amazing. What is the spec of your display card? thx! philip wong David Yazel wrote: >I am just experimenting with making a demo movie, so forgive the quality of >the frame snaps and size.

Re: [JAVA3D] Magicosm demo movie

;[EMAIL PROTECTED]> Sent: Wednesday, May 01, 2002 12:48 AM Subject: Re: [JAVA3D] Magicosm demo movie David Yazel wrote: > This is in Real Video g2 format. > > www.magicosm.net/magicosm_high.rm Any chance of getting this in MPEG or AVI format? -- Justin Couch

[JAVA3D] Magicosm demo movie

I am just experimenting with making a demo movie, so forgive the quality of the frame snaps and size. But I thought you guys might like to see this. Hopefully the downloads will not blow out our webside quota! This is in Real Video g2 format. www.magicosm.net/magicosm_high.rm If you download i

Re: [JAVA3D] Need a solution for road/path "decals" on terrain.

l with any tiny mistakes. This algorithm takes a series of path points, builds a spline, then builds geometry to flow along the path according to a density you define. David Yazel http://www.magicosm.net - Original Message - From: "Scott" <[EMAIL PROTECTED]> To: <[EMA

Re: [JAVA3D] Help smoothing polygon's edges

This is true. The technique we have used is to take the regular elevation grid and sub-divide in a 3:1 ratio. We use the AWT general path classes to plot a bezier spline over the grid points, so in a 100 x 100 heightmap that would create 200 splines. Thats 100 paths along the x axis and 100 path

[JAVA3D] Simple example of image plate alight platform geometry

I had built this for a test case some time back. I am thinking this might be helpful for people. This is a modified version of SimpleGeometry.java in the PlatformGeometry demo provided by sun. It should run unmodified. It creates some overlays on the screen and displays them. Dave Yazel Si

[JAVA3D] Bug report

In J3d 1.3 beta 1: If you have an alpha blended object which is being sorted by the transparency (not in an ordered group), and that object has geometry which falls outside of view fustrum then the geometry will sometimes be clipped, and sometimes will be rendered without transparency. The bound

[JAVA3D] GDC

rk on Solaris... in under 2 hours! Feel free to have a look-see. http://www.magicosm.net/ We also have a bunch of screenshots up at http://www.magicosm.net/screenshots.htm David Yazel === To unsubscribe, send email to [EMAIL PROT

[JAVA3D] Java3d performance

have to disagree. Night! David Yazel === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and incl

Re: [JAVA3D] frustrum

I haven't looked at the code yet, but Justin Couch mentioned he had some fustrum methods in one of the J3d packages. Dave Yazel - Original Message - From: Michael Nischt <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, March 02, 2002 8:54 AM Subject: [JAVA3D] frustrum hi all,

Re: [JAVA3D] problems constructing geometry with color per vertex

Looks like the geometry array was built without a COLORS_3 or COLOR_4 flag. That would mean that the geometry array cannot have its colors set. If you can't figure out a a way to ask the loader to set that flag for you (in the absence of it being provided in the file) then wou will have to build

[JAVA3D] Transparent sorting

I really love the new transparent ordering in J3d 1.3 beta 1. 2 things: 1. I have the same issues some others have had with the mixing of ordered groups with transparency sorting. Specifically we use an ordered group in each overlay to force the proper layering of dynamic controls on panels. Th

Re: [JAVA3D] Edge clamping in direct-x

- Original Message - From: David Yazel <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, February 09, 2002 11:02 PM Subject: [JAVA3D] Edge clamping in direct-x I seem to be having a difference between edge clamping on direct-x and opengl. If I have a 64x64 tex

[JAVA3D] Edge clamping in direct-x

I seem to be having a difference between edge clamping on direct-x and opengl. If I have a 64x64 texture with an image of a box on it, and I use texture coordinates [0,1] in opengl with mode CLAMP it works perfectly, but in directx it loses the last pixel. I seem to dimly remember this issue wa

[JAVA3D] initialGain

Is it possible to change the volume for a background sound that is running? Does the fact that it is called "initialGain" mean that it cannot be changed? Thanks, David Yazel === To unsubscribe, send email

Re: [JAVA3D] Picking problem

;Delivered-To: [EMAIL PROTECTED] >MIME-Version: 1.0 >Content-Transfer-Encoding: 7bit >X-Priority: 3 >X-MSMail-Priority: Normal >X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 >Date: Thu, 7 Feb 2002 22:09:09 -0500 >From: David Yazel <[EMAIL PROTECTED]> >Subj

[JAVA3D] Picking problem

} else pos.y = XithEngine.map.getY((float)pos.x,(float)pos.z); Cheers, David Yazel === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For ge

[JAVA3D] background sound

We are just getting working on sound... so be prepared for a bunch of newbie questions in the next week :) First question: I am able to put multiple background sound nodes into the scene with no problem if I insert them with a large scheduling bounds, like BoundingSphere ((0,0,0) 10). So bas

Re: [JAVA3D] ROAM and GPU Usage (off-topic)

The textures appear to be seemless. The farther cells are being built with fewer and fewer polygons. I am attaching a few pic shich should be under 60k combined. David Yazel <><><>

Re: [JAVA3D] OT: http://www.sword-and-sorcery.com/

Yes, I am happy to say our project is 100 percent Java / Java3d. Dave Yazel === To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email

Re: [JAVA3D] how do I ignore vertex colors ?

RenderingAttributes.setIgnoreVertexColors() A tip is to go to the JavaDoc index and search for words in the browser. That is helpful when dealing with such a big API. Dave Yazel - Original Message - From: JP Lee <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, February 04, 2002

Re: [JAVA3D] OpenGL Texture Mapping etc..

Well I think you may have been misinformed regarding texture mapping, unless you are referring to some OpenGL extensions. Java3d certainly handles texture mapping. It is true, you cannot access openGL directly from Java3d because Java3d is platform independent and works with DirectX as well as O

Re: [JAVA3D] switch w/childMask - cry for help again

Pertinant code snips: showMask = new BitSet(2); showMask.clear(0); showMask.clear(1); switchNode = new Switch(Switch.CHILD_MASK,showMask); //switchNode.setWhichChild(Switch.CHILD_NONE); switchNode.setCapability(Switch.ALLOW_SWITCH_READ); sw

[JAVA3D] J3d crash

I am getting this error when attaching an extremely large scenegraph. It does not always happen, just sometimes. java.lang.IndexOutOfBoundsException: Index: -1, Size: 9 at java.util.ArrayList.RangeCheck(ArrayList.java:503) at java.util.ArrayList.get(ArrayList.java:315) at

Re: [JAVA3D] GraphicsConfiguration

gcTemplate = new GraphicsConfigTemplate3D(); gcEnv = GraphicsEnvironment.getLocalGraphicsEnvironment(); gcConfig = gcEnv.getDefaultScreenDevice().getBestConfiguration(gcTemplate); gcDevice = gcConfig.getDevice(); - Original Message - From: FetJambo <[EMAIL PROTECTE

Re: [JAVA3D] Texture Transparency Problems

The quads within a single geometry array are rendered in the order they are defined. If you put the quads in different geometry arrays then they will be rendered in the order you are expecting if you have the full scene sorting policy turned on and the shape not within an ordered group. Otherwise

Re: [JAVA3D] Environment mapping

Thanks Doug! We are working on a water system which calculates waves and their normals as well as sliding the textures to simulate currents. It would be very nice to multi-texture that with a reflection, even if it is not very good. We only have one view, but it changes all the time as the peop

[JAVA3D] Environment mapping

Can anyone point me in the direction of how to do environment mapping? I noticed on the Fullsail F1 racer they have reflections on the shiny part of the car. All I can find in Java3d is CubeMap which requires 6 images be supplied. I don't think you can do an offscreen render and a texture uploa

Re: [JAVA3D] Expressions of interest in a Java3D Terrain list

Count us in for this. I would prefer it was done in this list, but if it is a seperate list please add us in. Dave Yazel - Original Message - From: Justin Couch <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, January 23, 2002 3:36 PM Subject: [JAVA3D] Expressions of interes

[JAVA3D] Transparency sorting trick

ome screenshots demonstrating this: http://www.cosm-game.com/screenshots/cosm539b.jpg http://www.cosm-game.com/screenshots/cosm540b.jpg http://www.cosm-game.com/screenshots/cosm541b.jpg David Yazel Cosm Development Team ===

Re: [JAVA3D] Averaging rotations

The alpha is the percent of the q1 that is used, 1-alpha is the percent of q2 that is used. Dave Yazel - Original Message - From: Bob Dengle <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, January 21, 2002 2:12 PM Subject: [JAVA3D] Averaging rotations Hi Ive been trying to ro

Re: [JAVA3D] Dynamic Textures?

The trick is to double buffer and use two image components, by-reference textures and y-up. Then you can update the buffered image attached to the backbuffer between frames and just set the texture's imagecomponent to the back buffer in one command. Here is a bunch of fairly relevent source: cl

Re: [JAVA3D] Sphere rendering problem

You can use a shared group and a link node to solve this problem. The other solution is to use a "fake" sphere by using alpha blended textures (with a picture of a sphere on it) and using a single geometry array with one quad per sphere. Each frame adjust the coords of each quad to point at the

Re: [JAVA3D] Full-screen exclusive mode and Java3D example

When I run this it *seems* to work, but I don't think it's really working. The screen resolution changes and it goes to full screen mode, but I can still task switch and pull up other windows. Also, if I add 1024x768x32 (my default resolution) the little taskbar handle is still at the bottom and

Re: [JAVA3D] Detail texture

on Filter4 Function Boundary width Boundary mode CLAMP_TO_EDGE & CLAMP_TO_BOUNDARY (will fall back to CLAMP) - Kelvin --- Java 3D Team Sun Microsystems Inc. > >-Original Message- >From: David Yazel [mailto:[EMAIL PROTECTED]] >Sent: Sunday, Janua

[JAVA3D] Detail texture

I noticed support in 1.3 has been added for a "detail texture" for Texture2D. I have been trying to figure out what this is doing and I had a couple of questions. 1. If you use a detail texture then does this consume one of the texture units? In other words can you have a detail texture and mul

Re: [JAVA3D] ask help for display long text on an 3D object

; will rotate together with the box. xiaohua - Original Message ----- From: "David Yazel" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, January 12, 2002 5:29 PM Subject: Re: [JAVA3D] ask help for display long text on an 3D object > Yes, you can create cre

Re: [JAVA3D] ask help for display long text on an 3D object

my naive, is it possible for the 3d scene to render something like a JPanel on top of an object? Could we create a JPanel on one side of a box and let it paint itself when rendering? xiaohua - Original Message - From: "David Yazel" <[EMAIL PROTECTED]> To: <[EMAIL PROTECT

Re: [JAVA3D] ask help for display long text on an 3D object

Before I launch into this note I want to set the premise. By reading your question I am assuming you want to show text within the 3d scene. The technology to display text in 3d can only be done 2 ways. One way is done with a texture and another way is done with geometry. Text3d uses geometry in

Re: [JAVA3D] do some rotations...

Just to be clear.. you want your entire scene rendered on its side right? I made a small change to our look up/down routine to rotate on the z access instead of the x access for a test. Unfortunely the range is contrained to less than 90 degrees so it didn't turn the scene all the way over, but

Re: [JAVA3D] Overlay Library

al version now? I dont think I ever recieved it through the list :( TIA, Nathan >From a while back: > From: "David Yazel" > Here is our first cut at an overlay library. This isn't the final > distribution form, just the source which you can c

Re: [JAVA3D] Modelling synapse interaction using Java3D

Stuart: I don't know what "signal weighting and trasmitter/receptors" are, so I can offer no advice on how to model them. Dave Yazel - Original Message - From: stuart <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, December 11, 2001 2:12 PM Subject: [JAVA3D] Modelling synapse

[JAVA3D] Java3d 1.3 beta

I just wanted to say that we were able to run our project on Linux and Windows with almost no modification using java3d 1.3. In fact the only modification which we needed to make was to correct what was really a bug. We were calling setValidVertexCount() on a GeometryStripArray, which makes no s

[JAVA3D] setCapabilityIsFrequent

I was wondering if we could get a bit of information on how this nice piece of optimization works. There is one critical place where we need to use this. Our skin and bones animation system uses some metrics to determine how often to recalculate skins of all avatars. One thing that we found in

Re: [JAVA3D] Transparency Bug Report????

Ok 2 quick notes: 1. The ordered group will completely mess up what you are trying to do. The reason is that while the three objects seem like they should be rendered in-to-out, that is not really true. Take a point of the inner shell that is farthest from the viewer... it is still in fron

[JAVA3D] Re-inventing the wheel

Justin posted a response to my e-mail that struck a fairly emotional chord in me. He pointed out that the techniques I am going to attempt for doing large scale forests and vegetation could be considered "tried and trusted techniques". (and BTW way thanks for the link Justin, I will check it out

Re: [JAVA3D] Multiple blending layers

Thank you for answering this question! I assume this is the only solution to my problem? Is it possible to do it some other way? Like perhaps use an ordered group and force the shadows to be drawn using alpha blending in a second pass? Dave Yazel - Original Message - From: Charmaine

Re: [JAVA3D] texture by reference on Linux

Really good question. I also would like to know this. Dave Yazel - Original Message - From: Mark Powell <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, January 02, 2002 7:31 PM Subject: [JAVA3D] texture by reference on Linux Questions about texture-by-reference: The attac

Re: [JAVA3D] Best way to deal with many "duplicate" objects such as particles?

The byref is only slower if you are not updating it every frame. We are using float[] by ref. That means you can update the floats right in the array and then the floats are streamed over every frame. There is no additional copies made. Think of it this way, when you set the attributes to allo

Re: [JAVA3D] Best way to deal with many "duplicate" objects such as particles?

As an example here is a old screenshot from our game: http://www.cosm-game.com/screenshots/cosm333.jpg This is an example (albiet a poor one) of one of the effects of a particle system. - Original Message - From: David Yazel <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]>

Re: [JAVA3D] Best way to deal with many "duplicate" objects such as particles?

ch as particles? What is meant by a "particle" here? Is the "particle" a Sphere object? How is a "particle" coded in Java 3D? What do you use it for? Bob Gray -Original Message- From: Discussion list for Java 3D API [mailto:[EMAIL PROTECTED]]On Behal

Re: [JAVA3D] Best way to deal with many "duplicate" objects such as particles?

the particles until they have decayed. This has the added advantage of allowing the manager to adjust particle densities and increase decay rates if the system reaches critical saturations. My suggestion would be to manage the particles yourself and not use seperate shapes unless you need to. David

Re: [JAVA3D] Final Thoughts

Thank you Victor. I hope 2002 is a better year for all of us. Let me raise a metephorical glass to toast a new year of peace, health and prosperity for all of you! Dave Yazel - Original Message - From: Victor Rodriguez <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, December

[JAVA3D] Multiple blending layers

Hi all: What techniques are people using to implement shadowmaps, lightmaps and radiosity maps? Almost all of our geometry already has 2 texture units, namely the base texture and the detail texture. The detail texture adds a fake "textured" look to our geometry, giving it the appearance of bei

Re: [JAVA3D] New system configuration question

Thans you all for the information. Now I know just how much I *don't* know about this subject. I had not even thought of the SCSI issue, nor the memory pipe between the CPU and Memory. I have a lot more research to do it looks like! Thanks again for all the replies! Dave Yazel - Origina

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