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 >>>>>> <[email protected]>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.
