I still havent got it nailed, but I guess it wasn't intended to be used in this way.
On Jun 7, 10:32 am, Michael Iv <[email protected]> wrote: > Got you David , it is like a Sun Light actually but directed . Still , it is > hard to implement it on objects centered to the scene > > On Mon, Jun 7, 2010 at 12:11 PM, David Lenaerts > <[email protected]>wrote: > > > > > Dot3 only supports directional lights, since the nature of directionals > > offer it a very fast way to calculate lighting. > > > Now, as for why the directional light doesn't have a position: don't > > consider it as a specific light source. Instead, it's typically used for a > > strong light source very far away, such as the sun. Of course, it's an > > approximation, but again it offers optimizations. The idea is that wherever > > you are in the scene, the light always comes from the same direction (hence > > the name). If it were to have a position, then the light direction would > > change depending on where the lit object is relative to the light (and that > > is a point light). > > > Hope that clarifies a thing or two! > > > David > > > On Mon, Jun 7, 2010 at 10:50 AM, Michael Iv <[email protected]> wrote: > > >> I did it with PhongColorMaterial actually . Don't know why it doesn't work > >> with Dot3 I will try to check it too. > > >> On Mon, Jun 7, 2010 at 11:47 AM, Josh <[email protected]>wrote: > > >>> I'm having the same problem Michael, however I can't seem to get the > >>> PointLight3D to work with Dot3BitmapMaterials. does anyone know if > >>> Dot3s support pointLights? > > >>> On Jun 7, 8:44 am, Michael Iv <[email protected]> wrote: > >>> > It is hard to understand why directional lights position doesn't make > >>> sense > >>> > . I mean , take 3d modelling program ,or UDK or Unity(ok that is not > >>> the > >>> > same in terms of technology ) , but the light should have emission > >>> source > >>> > and the soruce should have a position in 3d space ? . and the source > >>> > position of DirectionalLight3D is in the center of the scene, So if my > >>> > object is not offset from the center ,there is a problem , the object > >>> > doesn't receive the light at all . And .direction doesn't help in this > >>> case, > >>> > I was trying to tweak it too without much success . Eventually used > >>> > PointLight3d. > > >>> > On Mon, Jun 7, 2010 at 10:35 AM, richardolsson <[email protected]> > >>> wrote: > >>> > > The direction property is the way to go. As of 3.5, directional > >>> lights > >>> > > don't have positions, which never made sense anyway since dir lights > >>> > > are orthographic in a way, and not to be considered as point in space > >>> > > -- they are infinitely far away. > > >>> > > If you cannot get direction to work like below, make sure you are > >>> > > using materials that support dir lights! > > >>> > > var light : DirectionalLight3D = new DirectionalLight3D; > >>> > > light.direction = new Number3D(0, -1, 0); // Downward > > >>> > > Cheers > >>> > > /R > > >>> > > On Jun 5, 10:15 pm, fab4ce <[email protected]> wrote: > >>> > > > Hi Fabrice, > > >>> > > > PointLight3D has a position property, but DirectionalLight3D > >>> doesn´t > >>> > > > have it. > > >>> > > > On 5 Jun., 19:53, Fabrice3D <[email protected]> wrote: > > >>> > > > > there is a position property > > >>> > > > > Fabrice > >>> > > > > On Jun 5, 2010, at 2:08 AM, fab4ce wrote: > > >>> > > > > > Hi all, > >>> > > > > > after updating to the new version 3.5 i had to change my > >>> directional > >>> > > > > > light from view.scene.addChild(light) to > >>> view.scene.addLight(light); > >>> > > > > > How can change my code for positioning the light in the scene? > >>> I was > >>> > > > > > using the .x and .y and .z properties of the light object. > > >>> > -- > >>> > Michael Ivanov ,Programmer > >>> > Neurotech Solutions Ltd. > >>> > Flex|Air > >>> |3D|Unity|www.neurotechresearch.comhttp://blog.alladvanced.nethttp:// > >>>www.meetup.com/GO3D-Games-Opensource-3D/ > > >>> Tel:054-4962254begin_of_the_skype_highlighting 054-4962254 > >>> end_of_the_skype_highlighting > >>> > [email protected] > >>> > [email protected] > > >> -- > >> Michael Ivanov ,Programmer > >> Neurotech Solutions Ltd. > >> Flex|Air |3D|Unity| > >>www.neurotechresearch.com > >>http://blog.alladvanced.net > >>http://www.meetup.com/GO3D-Games-Opensource-3D/ > >> Tel:054-4962254 > >> [email protected] > >> [email protected] > > > -- > >http://www.derschmale.com > > -- > Michael Ivanov ,Programmer > Neurotech Solutions Ltd. > Flex|Air > |3D|Unity|www.neurotechresearch.comhttp://blog.alladvanced.nethttp://www.meetup.com/GO3D-Games-Opensource-3D/ > Tel:054-4962254begin_of_the_skype_highlighting 054-4962254 end_of_the_skype_highlighting > [email protected] > [email protected]
