Nope! I've tried lots of things. I've been reading somewhere about camera.screen(object3D). It should return the screen 2D coordinates that are relative an object3D inside the view. But I don't know what is missing here. I give the screen x and y to it and it moves strangely across the screen.
On Wed, Apr 14, 2010 at 4:42 PM, Omar Fouad <[email protected]> wrote: > I was thinking of doing something else. In Away3D there a class called > MovieClipSprite, which is a "plane" that always faces the camera and takes a > DisplayObject as its material. I was thinking of adding those > movieClipSprites inside an ObjectContainer3D that also contains the > cylinder. Those movieClipSprites are the spots I need and they would be on > top of the cylinder. This way when moving the camera, I should see both > cylinder and spots rotating in the same positions. The beauty of the > MovieClipSprite is that it doesn't transform by any means. > I'll try and keep you updated. > > Cordially. > > > On Wed, Apr 14, 2010 at 4:27 PM, Michael Iv <[email protected]> wrote: > >> I am still not sure what Omar tries to do . Is that about hotspots >> deifined directly on constant material areas or these are the hot spots that >> are always relative to the camera direction? If it is the first then >> Fabrice's second solution looks really the best approach . >> >> >> On Wed, Apr 14, 2010 at 5:20 PM, Fabrice3D <[email protected]> wrote: >> >>> Using the Ray class you would indeed with the projection of two rays get >>> your uv's coordinates and via barycentric formula from the faces hitted >>> extract a rectangle. The defined rect could then be compared with your >>> mouse3devent... the hard way. >>> >>> Simplest way would certainly be to define 2d rect on map. the >>> mouseEvent3D returns you the uv's, define a Point from these x,y extracted >>> from the uv's and a simple PointInRect would tell you if you have a hit. >>> >>> Fabrice >>> >>> >>> On Apr 14, 2010, at 2:55 PM, Omar Fouad wrote: >>> >>> Well thanks! This approach is what I've mentioned in the post. However >>> the dilemma is how to move the spots, according the rotation of the camera. >>> I don't need the spots to rotate around the x or the y axes, the can be >>> flat, but on the same specific place on the cylinder's material. >>> BTW thanks for your answers! >>> >>> On Wed, Apr 14, 2010 at 2:49 PM, Michael Iv <[email protected]>wrote: >>> >>>> Basically it can be made easier: I would create the hot spots as >>>> billboards like DirSprite3D and make their alpha to zero . Than I would >>>> wrap them with ObjectContainer ,then you can read the rotation angle of >>>> your >>>> camera , or if you rotate the cylinder instead then read its rotation . And >>>> after that use that value for angular displacement , I mean move your >>>> container on the spherical path (basic trigonometry) according to that >>>> rotation . I could write it here but I am at work now , sorry . >>>> may at the weekend I ll post this case in my blog.( >>>> http://blog.alladvanced.net) >>>> >>>> >>>> On Wed, Apr 14, 2010 at 3:39 PM, Omar Fouad <[email protected]>wrote: >>>> >>>>> No :) I missed yours >>>>> >>>>> On Wed, Apr 14, 2010 at 2:23 PM, Michael Iv <[email protected]>wrote: >>>>> >>>>>> What? I missed your point or you missed mine? >>>>>> >>>>>> >>>>>> On Wed, Apr 14, 2010 at 3:16 PM, Omar Fouad >>>>>> <[email protected]>wrote: >>>>>> >>>>>>> huh? >>>>>>> >>>>>>> >>>>>>> On Wed, Apr 14, 2010 at 2:12 PM, Michael Iv >>>>>>> <[email protected]>wrote: >>>>>>> >>>>>>>> If you want to set the hot spots that will be located always >>>>>>>> relative to the camera direction you can set directional sprites >>>>>>>> facing the >>>>>>>> camera with zer0 alpha.And copying camera transformation matrix and >>>>>>>> direction (can cast a Ray) you can figure out where to move these >>>>>>>> objects >>>>>>>> >>>>>>>> On Wed, Apr 14, 2010 at 2:56 PM, Omar Fouad <omarfouad.net@ >>>>>>>> gmail.com> wrote: >>>>>>>> >>>>>>>>> Hi, >>>>>>>>> >>>>>>>>> I have a cylinder that has applied to it a BitmapMaterial, which is >>>>>>>>> the panorama image (landscape 360). I've zoomed the camera properly >>>>>>>>> so it >>>>>>>>> looks great while panning left, right, up, and down. >>>>>>>>> What I really need to do now is to set a hot-spot on that view. in >>>>>>>>> this example (link: http://www.egypt.travel/?flashinstalled=2 ) i >>>>>>>>> believe the spots are not movieclip materials placed on top of the >>>>>>>>> bitmap >>>>>>>>> material (or their rotationY angle would change with the camera >>>>>>>>> rotation). I >>>>>>>>> believe, that is a layer placed on the stage on top of the View3D, >>>>>>>>> that >>>>>>>>> moves according the camera panAngle. >>>>>>>>> But how can I give the spots x and y props and then, update them >>>>>>>>> while panning the camera? >>>>>>>>> >>>>>>>>> Thanks in advance. >>>>>>>>> >>>>>>>>> Cordially. >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> Michael Ivanov ,Programmer >>>>>>>> Neurotech Solutions Ltd. >>>>>>>> Flex|Air |3D|Unity| >>>>>>>> www.neurotechresearch.com >>>>>>>> Tel:054-4962254 >>>>>>>> [email protected] >>>>>>>> [email protected] >>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> Michael Ivanov ,Programmer >>>>>> Neurotech Solutions Ltd. >>>>>> Flex|Air |3D|Unity| >>>>>> www.neurotechresearch.com >>>>>> Tel:054-4962254 >>>>>> [email protected] >>>>>> [email protected] >>>>>> >>>>>> >>>>> >>>> >>>> >>>> -- >>>> Michael Ivanov ,Programmer >>>> Neurotech Solutions Ltd. >>>> Flex|Air |3D|Unity| >>>> www.neurotechresearch.com >>>> Tel:054-4962254 >>>> [email protected] >>>> [email protected] >>>> >>>> >>> >>> >> >> >> -- >> Michael Ivanov ,Programmer >> Neurotech Solutions Ltd. >> Flex|Air |3D|Unity| >> www.neurotechresearch.com >> Tel:054-4962254 >> [email protected] >> [email protected] >> >> > -- To unsubscribe, reply using "remove me" as the subject.
