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