I got you, it is need to be offset in order to match view to screen On Thu, Apr 15, 2010 at 4:08 PM, Omar Fouad <[email protected]> wrote:
> it worked this way: > > var sv:ScreenVertex = cam.screen(guide, guide.vertices[10]); > spot.x = sv.x + view.width * 0.5; > spot.y = sv.y + view.height * 0.5; > > however when the guide (which is a circle) is behind the camera, the spot > don't disappear. > > > On Thu, Apr 15, 2010 at 11:07 AM, Michael Iv <[email protected]>wrote: > >> I found a similar post registering camera.screen projection problem: >> >> http://groups.google.com/group/away3d-dev/browse_thread/thread/2d331c736767ee65 >> >> Fabrice or someone else can help here ? Is there a kind of bug with >> getting screen 2d coords of vertices ? >> >> On Wed, Apr 14, 2010 at 9:19 PM, Omar Fouad <[email protected]>wrote: >> >>> I'm also trying to set the x of the spot sprite outside the view to >>> camera.screen(3dObjectInsideTheView).x, but they are not overlaying. >>> I mean the sprite is not overlaying on the object that is inside the >>> view3D. >>> Shouldn't camera.screen(object3D).x return the coinciding coordinate out >>> of the view3D (translate into screen coords)? >>> >>> On Wed, Apr 14, 2010 at 7:54 PM, Fabrice3D <[email protected]> wrote: >>> >>>> Perhaps... Glad we could bring you to ideas. >>>> >>>> Sent from an iPhone without Flash >>>> >>>> On Apr 14, 2010, at 19:08, Omar Fouad <[email protected]> wrote: >>>> >>>> Fabrice's talk is too complicated :) >>>> >>>> On Wed, Apr 14, 2010 at 7:00 PM, Michael Iv < <[email protected]> >>>> [email protected]> wrote: >>>> >>>>> If you need your hot spots to be in 3d space and relative to camera >>>>> facing direction this will not help . You should try the approach of >>>>> Fabrice >>>>> . >>>>> >>>>> >>>>> On Wed, Apr 14, 2010 at 7:54 PM, Omar Fouad < <http://omarfouad.net> >>>>> omarfouad.net@ <http://gmail.com>gmail.com> wrote: >>>>> >>>>>> 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 < <http://omarfouad.net> >>>>>> omarfouad.net@ <http://gmail.com>gmail.com> 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]> >>>>>>> [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]> >>>>>>>> [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]> >>>>>>>>> [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/> >>>>>>>>>> http://blog.alladvanced.net) >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> On Wed, Apr 14, 2010 at 3:39 PM, Omar Fouad <<http://omarfouad.net/> >>>>>>>>>> omarfouad.net@ <http://gmail.com/>gmail.com> wrote: >>>>>>>>>> >>>>>>>>>>> No :) I missed yours >>>>>>>>>>> >>>>>>>>>>> On Wed, Apr 14, 2010 at 2:23 PM, Michael Iv <<[email protected]> >>>>>>>>>>> [email protected]> wrote: >>>>>>>>>>> >>>>>>>>>>>> What? I missed your point or you missed mine? >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> On Wed, Apr 14, 2010 at 3:16 PM, Omar Fouad >>>>>>>>>>>> <<http://omarfouad.net/> >>>>>>>>>>>> omarfouad.net@ <http://gmail.com/>gmail.com> wrote: >>>>>>>>>>>> >>>>>>>>>>>>> huh? >>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> On Wed, Apr 14, 2010 at 2:12 PM, Michael Iv >>>>>>>>>>>>> <<[email protected]> >>>>>>>>>>>>> [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 >>>>>>>>>>>>>> <<http://omarfouad.net/> >>>>>>>>>>>>>> omarfouad.net@ <http://gmail.com/>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> >>>>>>>>>>>>>>> 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| >>>>>>>>>>>>>> <http://www.neurotechresearch.com/>www.neurotechresearch.com >>>>>>>>>>>>>> Tel:054-4962254 >>>>>>>>>>>>>> <[email protected]>[email protected] >>>>>>>>>>>>>> <[email protected]>[email protected] >>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> -- >>>>>>>>>>>> Michael Ivanov ,Programmer >>>>>>>>>>>> Neurotech Solutions Ltd. >>>>>>>>>>>> Flex|Air |3D|Unity| >>>>>>>>>>>> <http://www.neurotechresearch.com/>www.neurotechresearch.com >>>>>>>>>>>> Tel:054-4962254 >>>>>>>>>>>> <[email protected]>[email protected] >>>>>>>>>>>> <[email protected]>[email protected] >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> Michael Ivanov ,Programmer >>>>>>>>>> Neurotech Solutions Ltd. >>>>>>>>>> Flex|Air |3D|Unity| >>>>>>>>>> <http://www.neurotechresearch.com/>www.neurotechresearch.com >>>>>>>>>> Tel:054-4962254 >>>>>>>>>> <[email protected]>[email protected] >>>>>>>>>> <[email protected]>[email protected] >>>>>>>>>> >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> Michael Ivanov ,Programmer >>>>>>>> Neurotech Solutions Ltd. >>>>>>>> Flex|Air |3D|Unity| >>>>>>>> <http://www.neurotechresearch.com>www.neurotechresearch.com >>>>>>>> Tel:054-4962254 >>>>>>>> <[email protected]>[email protected] >>>>>>>> <[email protected]>[email protected] >>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> Michael Ivanov ,Programmer >>>>> Neurotech Solutions Ltd. >>>>> Flex|Air |3D|Unity| >>>>> <http://www.neurotechresearch.com>www.neurotechresearch.com >>>>> Tel:054-4962254 >>>>> <[email protected]>[email protected] >>>>> <[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.
