Paul Brunt » webgl http://www.paulbrunt.co.uk faster, better; faster, better! Tue, 30 Aug 2011 14:03:38 +0000 http://wordpress.org/?v=2.8.4 en hourly 1 WebGL:Picking in GLGE http://www.paulbrunt.co.uk/2010/01/17/webglpicking-in-glge/ http://www.paulbrunt.co.uk/2010/01/17/webglpicking-in-glge/#comments Sun, 17 Jan 2010 19:26:52 +0000 admin http://www.paulbrunt.co.uk/?p=334 Another week past and I’ve been busy adding picking to the list of GLGE’s features. This turned out to be more challanging then I had first thought, mainly due to hours trying to find a stupid mistake I made early on :-( I’ve still got to do some optimization, but it’s reasonable performance at the moment. Hopefully, I’ll be able to use the object culling I’m planing for the scene to speed up the picking as well

see the latest demo over at GLGE

Demo Video Below:

]]> http://www.paulbrunt.co.uk/2010/01/17/webglpicking-in-glge/feed/ 28 WebGL:GLGE Demo Scene http://www.paulbrunt.co.uk/2010/01/02/webglglge-demo-scene/ http://www.paulbrunt.co.uk/2010/01/02/webglglge-demo-scene/#comments Sat, 02 Jan 2010 17:29:01 +0000 admin http://www.paulbrunt.co.uk/?p=326 This week I’ve taken a bit of a break on the coding. I’ve now got a website up and running for GLGE as well as officially releasing an alpha:

GLGE Website

I’ve also spent a few days coming up with a more impressive demo. Please bare in mind I’m no pro CG artist, just a now and then amateur, so  imagine what could be achieved by the pros in a very short space of time. It’s not showing off 100% of the current feature set, some of which I think still needs rewriting and finishing off. But, hopefully it’ll be enough to change the mind of at least some of the WebGL naysayers, encourage more rapid development and make 2010 the year of 3D on the web.

Annoyingly it isn’t working on firefox (at least not my GFX card) there seems to be a bug where you can only map 4 textures to a shader :-( Hopefully, they’ll get that fixed soon. In the mean time I’ve tested it on chrome and it runs at an okay frame rate, although I do think it’s time to get some optimization in there.

Play the demo live

The Video:(Still trying to figure out how to capture well in linux)

]]> http://www.paulbrunt.co.uk/2010/01/02/webglglge-demo-scene/feed/ 51 WebGL Spotlights and animation http://www.paulbrunt.co.uk/2009/12/13/webgl-spotlights-and-animation/ http://www.paulbrunt.co.uk/2009/12/13/webgl-spotlights-and-animation/#comments Sun, 13 Dec 2009 17:19:57 +0000 admin http://www.paulbrunt.co.uk/?p=284 Another update:
Targets acheived this week:
1) spotlights are now done and dusted
2) made the animation system more generic(the aim is to make everything easy to animate), see the scrolling material layer on the floor of this weeks demo and the movement of the spot lights
3) started writting an XML file format to make things a bit easier when it comes to handling resources
4) fog is on hold until untill I’ve got round to doing some turrain to demo it :-)
See the Latest Demo Here
(Sorry still now video under linux again)
It’s been a very very busy week I’ve nearly doubled the size of the library. I looked into importing collada files and I don’t think
It’s all that practical, for more then basic mesh import. It’s an excellant generic format but it’s highly involved and since the whole
purpose of the library was to abstract away the complexity I’ve decided to try and map a very simple XML format directly to the library.
For example the material for animated floor in the demo is expressed as:
<animation_vector id=”materialanim” frames=”40″>
<animation_curve channel=”OffsetX”>
<bez_point>-5.47,0.0,1.0,0.0,8.34,0.0</bez_point>
<bez_point>12.28,1.0,30.22,1.0,36.84,1.0</bez_point>
<bez_point>31.16,0.0,40.0,0.0,46.32,0.0</bez_point>
</animation_curve>
</animation_vector>
<material id=”material” emit=”0.2″>
<texture id=”texture1″ src=”grass.jpg” />
<texture id=”texture2″ src=”mask1.jpg” />
<texture id=”texture3″ src=”dirt.jpg” />
<material_layer texture=”#texture1″ frame_rate=”5″ animation=”#materialanim” mapinput=”UV1″ mapto=”M_COLOR” scale_x=”5″ scale_y=”5″ />
<material_layer texture=”#texture2″ mapinput=”UV1″ mapto=”M_MSKR” scale_x=”1″ scale_y=”1″ />
<material_layer texture=”#texture3″ mapinput=”UV1″ mapto=”M_COLOR” scale_x=”5″ scale_y=”5″ />
</material>
I’m starting to think it’s nearly time to release(at least as an alpha, since the api is still changing on a daily basis). I’ve been looking into github(many thanks to Giles Thomas for pointing me that way). Any other suggestions out there?
Github does seem to be the best I’ve checkout so far. I’ve put up some preliminary documentation for anybody intrested Initially docs

Targets acheived this week:

1) Spotlights are now done and dusted

2) Made the animation system more generic (the aim is to make everything easy to animate), see the scrolling material layer on the floor of this weeks demo and the movement of the spot lights

3) Started writting an XML file format to make things a bit easier when it comes to handling resources

4) Fog is on hold until untill I’ve got round to doing some terrain to demo it :-)

The latest demo is up, sorry for the insane animated material but I just wanted to do something to demo the animation system.

See the Latest Demo Here

(Sorry still no video under linux again)

It’s been a very very busy week I’ve nearly doubled the size of the library. I looked into importing collada files and I don’t think It’s all that practical, for more then basic mesh import. It’s an excellant generic format but it’s highly involved and since the whole purpose of the library was to abstract away the complexity I’ve decided to try and map a very simple XML format directly to the library. I may still reconsider and start a collada import but it will be some time off.

I’m starting to think it’s nearly time to release(at least as an alpha, since the api is still changing on a daily basis). I’ve been looking into github(many thanks to Giles Thomas for pointing me that way). Any other suggestions out there? Github does seem to be the best I’ve checkout so far. I’ve also put up some preliminary documentation for anybody intrested.

]]> http://www.paulbrunt.co.uk/2009/12/13/webgl-spotlights-and-animation/feed/ 39 WebGL Update: Coloured point source lights http://www.paulbrunt.co.uk/2009/12/05/webgl-update-coloured-point-source-lights/ http://www.paulbrunt.co.uk/2009/12/05/webgl-update-coloured-point-source-lights/#comments Sat, 05 Dec 2009 17:21:26 +0000 admin http://www.paulbrunt.co.uk/?p=277 Just a quick update on the the webgl thing.  I’ve got lots done of the last week; the textures now support normal maps and masking, so texture splatting can be done with little effort. I’ve also been re-factoring some(read most) of the code, and I’ve got point light sources running. See the Demo. Sorry about the lack of a video this time but I’m developing under linux at the moment and haven’t figured out an effective way to capture yet.

Click here to view the second demo

Figures crossed I’ll get spot lights going this week and maybe even the start the fog or collada import….so much to do!!!

Lets hope I can get a proper alpha release ready before xmas.

]]> http://www.paulbrunt.co.uk/2009/12/05/webgl-update-coloured-point-source-lights/feed/ 50 WebGL Early demo of graphics engine http://www.paulbrunt.co.uk/2009/11/27/webgl-early-demo-of-graphics-engine/ http://www.paulbrunt.co.uk/2009/11/27/webgl-early-demo-of-graphics-engine/#comments Fri, 27 Nov 2009 15:41:27 +0000 admin http://www.paulbrunt.co.uk/?p=267 I’ve started a new graphics engine using webgl it’s still very very early days(pre pre alpha lets say version 0.001), only been working on it a few of weekends) so consider this just a bit of a taster. I’ve now got skeletal animation working reasonably well and I’ve started on the material system. Remember this is only a very basic Work in progress and the graphics engine is nowhere near even beta so I’m not officially releasing that yet. Any feed back on the FPS your getting on your hardware would be much appricated I’m doing my best to keep things fast. Video below and demo links:
http://www.paulbrunt.co.uk/webgl/demo1/

I’ve started working on a new graphics engine using webgl, it’s still very very early days(pre pre alpha lets say version 0.001). I’ve only been working on it a few of weekends, so consider this just a bit of a taster.

I’ve now got skeletal animation working reasonably well and I’ve started on the material system. Remember this is only a very basic work in progress and the graphics engine is nowhere near even beta so I’m not officially releasing that yet. Any feed back on the FPS your getting on your hardware would be much appricated I’m doing my best to keep things fast. Video below and demo links:

View the demo in a webgl enabled browser:

http://www.paulbrunt.co.uk/webgl/demo1/

Or the video on youtube:

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