Le 29/01/2013 16:54, Klemens Schmiady a écrit : >>> *Von: *Jack <[email protected] <mailto:[email protected]>> >>> *Betreff: **Aw: [PD] Lighting glitch, [alpha]-object depth detection* >>> *Datum: *17. Januar 2013 21:57:10 MEZ >>> *An: *[email protected] <mailto:[email protected]> >>> >>> Le 17/01/2013 10:18, Klemens Schmiady a écrit : >>>> Am 10.01.2013 18:38, schrieb Jack: >>>>> Le 10/01/2013 16:22, Max a écrit : >>>>>> Am 10.01.2013 um 12:34 schrieb Jack <[email protected]>: >>>>>>> Le 10/01/2013 11:57, Klemens Schmiady a écrit : >>>>>>>> Am 10.01.2013 11:40, schrieb Cyrille Henry: >>>>>>>>> hello, >>>>>>>>> >>>>>>>>> i can't reproduce this. >>>>>>>>> is there anything special to do in the patch? >>>>>>>>> cheers >>>>>>>>> c >>>>>>>>> >>>>>>>>> Le 10/01/2013 11:06, Klemens Schmiady a écrit : >>>>>>>>>> Hey there, >>>>>>>>>> >>>>>>>>>> the sphere in combination with the lighting leads to strange >>>>>>>>>> artefacts as shown in the .jpg. >>>>>>>>>> Looking for a solution. >>>>>>> I think, this is because your viewpoint come too close to your geo >>>>>>> (sphere). >>>>>>> Put a [max 2] (for example) on your Z axis for the viewpoint to avoid >>>>>>> collision. >>>>>> i don't think it's that. i simplified the patch a bit more: >>>>>> >>>>>> >>>>>> >>>>>> with >>>>>> GEM: ver: 0.93.3 >>>>>> GEM: compiled: Nov 10 2011 >>>>>> i have the same phenomenon here. >>>>> >>>>> Yep, you are right Max. I think it was a problem with the near >>>>> clipping plane of the frustum. But i was wrong... >>>>> Cyrille, your patch seems to have the same problem if you put an >>>>> alpha = 0.5, or i am wrong ? >>>>> Here a patch that enable culling. >>>>> Hoping it helps to solve _this_ problem. >>>>> ++ >>>>> >>>>> Jack >>>>> >>>>> PS : dont't forget to start by rendering the light before geos >>>>> with an argument in [gemhead] ;) >>>>> >>>>> _______________________________________________ >>>>> [email protected] mailing list >>>>> UNSUBSCRIBE and account-management -> >>>>> http://lists.puredata.info/listinfo/pd-list >>>> I implemented your patch into what I'm working on at the moment but >>>> the light goes all crazy and I don't know anything about openGL. >>>> The lightsource should be in the center of the patch somehow. >>>> Can you please help me with that! >>>> >>>> Thanks, >>>> >>>> Klemens >>>> >>>> >>>> _______________________________________________ >>>> [email protected] mailing list >>>> UNSUBSCRIBE and account-management -> >>>> http://lists.puredata.info/listinfo/pd-list >>> Hello Klemens, >>> >>> Can you tell us your configuration (OS, Graphic card, Pd version and >>> Gem version) ? >>> Have you put an _argument_ in your [gemhead] ? See example (in Gem >>> help) if you didn't put it. >>> You have to render lights before the first sphere. And the first >>> sphere before the second sphere. >>> In fact, in your patch you can't know what is render first because >>> you don't have this argument. >>> See attached patch if it works for you. >>> ++ >>> >>> Jack >>> >>> >>> >> >> >>> _______________________________________________ >>> [email protected] <mailto:[email protected]> mailing list >>> UNSUBSCRIBE and account-management -> >>> http://lists.puredata.info/listinfo/pd-list > > I tried you patch I there are no visual differences between yours and > mine. > > I'm using win7, intel hd graphics 4000 card, pd 0.42.5 extended and > gem 0.93.3. > > Thanks, > > Klemens > > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list
Please, can you send your patch ? The patch i sent before didn't work for you ? Have you tried other method sent on this list in this thread ? ++ Jack
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