Re: Problems applying MovieMaterial + Shader combos to .dae

Kim Daniel Arthur wrote:

can it be related to the same issue as on the cube with shaders?

could you try to call .registerObject( daeFile ) on all your materials
in the materials list?



On Jan 15, 2008 2:29 PM, vrabete <vrabete@yahoo.com> wrote:
>
> I have the exact same problem, but it doesn't get solved this way :(.
> If I build the Sphere with shaders, it works just fine, but if I load a .dae
> object by
>
> daeFile = new DAE();
> daeFile.load("collada.DAE",myMatList);
>
> where myMatList has a shaded material defined exactly as the Sphere one.
> Neither of the approaches seems to work, the daeFile.replaceMaterialByName
> and the myMatList.addMaterial ones. I get the same #1009 error and the part
> doesn't display.
>
> If I use a movieAssetMaterial instead... no problem, all works fine.
>
> Any clues?
> Thanks.
>
>
> EToth wrote:
> >
> > Happy New Year everyone,
> >
> > Well, I think I figured this one out, and I thought I'd share it for the
> > benefit of future generations. :)
> >
> > I had complete success with using something like this:
> >
> > ------
> > objectName.replaceMaterialByName (newShadedMaterialName,
> > "originalMaterialName");
> > ------
> >
> > or in case of my particular example:
> >
> > ------
> > object.replaceMaterialByName (shadedMat, "blinn1SG");
> > ------
> >
> > This works beautifully, even multiple material+shader combos or shaded
> > materials can be applied per loaded .dae object.
> >
> > That's about it.
> > Enjoy.
> >
> >
> >
> >
> > EToth wrote:
> >>
> >>
> >> I continued experimenting with this... tried it with a BitmapMaterial +
> >> Shader combo instead of using a MovieMaterial. No luck, the same error
> >> remains:
> >>
> >>
> >> TypeError: Error #1009: Cannot access a property or method of a null
> >> object reference.
> >>      at org.papervision3d.materials.shaders::ShadedMaterial/drawTriangle()
> >>      at org.papervision3d.core.render.command::RenderTriangle/render()
> >>      at
> >> org.papervision3d.render::BasicRenderEngine/org.papervision3d.render:BasicRenderEngine::doRender()
> >>      at org.papervision3d.render::BasicRenderEngine/renderScene()
> >>
> >>
> >> This is highly annoying. I don't know if I'm missing something here, but
> >> I'm wondering if anyone has successfully managed to replace a material on
> >> a .dae with a material + shader combo... any ideas would be greatly
> >> appreciated.
> >>
> >>
> >>
> >>
> >>
> >> EToth wrote:
> >>>
> >>> Hi all,
> >>>
> >>> I'm running into puzzling problems when loading a .dae, and trying to
> >>> replace its single placeholder material with my own MovieMaterial +
> >>> Shader combination.
> >>>
> >>> The basic setup looks something like this:
> >>>
> >>> --------
> >>> myMatList = new MaterialsList();
> >>> myMat = new MovieMaterial (texture, false, false);
> >>> cellShader = new CellShader (pointLight, 0x00ff00, 0x000000);
> >>> shadedMat = new ShadedMaterial (myMat, cellShader);
> >>> --------
> >>>
> >>>
> >>> If I do this:
> >>> -----
> >>> myMatList.addMaterial(myMat, "blinn1SG");
> >>> object = new Collada ("et.dae", myMatList);
> >>> -----
> >>> ..., everything works fine, and the .dae's material is replaced by
> >>> myMat, which of course points to a MovieClip in the library.
> >>>
> >>>
> >>> However, if I try to do this to apply the MovieMaterial + Shader combo
> >>> to the object:
> >>> -----
> >>> myMatList.addMaterial(shadedMat, "blinn1SG");
> >>> object = new Collada ("et.dae", myMatList);
> >>> -----
> >>> ...the the renderer.renderScene (scene3d, camera, viewport); line throws
> >>> the following error:
> >>>
> >>> TypeError: Error #1009: Cannot access a property or method of a null
> >>> object reference.
> >>>     at org.papervision3d.materials.shaders::ShadedMaterial/drawTriangle()
> >>>     at org.papervision3d.core.render.command::RenderTriangle/render()
> >>>     at org.papervision3d.render::BasicRenderEngine/doRender()
> >>>     at org.papervision3d.render::BasicRenderEngine/renderScene()
> >>>
> >>> I'm usually pretty good at tracking down and fixing issues, but I'm
> >>> clueless at this point. I tried to experiment with the .dae export
> >>> settings, tried .dae objects of different complexity, tried different
> >>> MovieMaterial + shader combinations, tried to apply straight
> >>> FlatShadeMaterials / CellMaterials instead of combos, all to no avail.
> >>> To make matters worse, if I use the DAE parser instead of the Collada
> >>> one, the object does not show up at all (not even with only the
> >>> MovieMaterial applied). But this is a separate issue for later... :)
> >>>
> >>> Thanks in advance for any insight into this.
> >>>
> >>> -E-
> >>>
> >>>
> >>
> >>
> > =)=)=)=)=)=)=)=)=)=)=)=)=)=)
> >
>
> --
> View this message in context: http://www.nabble.com/Problems-applying-MovieMaterial-%2B-Shader-combos-to-.dae-tp14461186p14806630.html
> Sent from the Papervision3D mailing list archive at Nabble.com.
>
>
> _______________________________________________
> Papervision3D mailing list
> Papervision3D@osflash.org
> http://osflash.org/mailman/listinfo/papervision3d_osflash.org
>

_______________________________________________
Papervision3D mailing list
Papervision3D@osflash.org
http://osflash.org/mailman/listinfo/papervision3d_osflash.org