I will try to help you with this at the weekend On Wed, Apr 14, 2010 at 8:08 PM, Omar Fouad <[email protected]> wrote:
> Fabrice's talk is too complicated :) > > > On Wed, Apr 14, 2010 at 7:00 PM, Michael Iv <[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 <[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 <omarfouad.net@ >>>>>>>>> gmail.com> 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] >> >> > -- 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.
