There's ray-casting functions in the code that essentially inverts the process of mapping 3D points within the frustum to 2D screen coordinates -- that handles object touching, selection and more. I'm not 100% sure where it is in the code, but virtually every mouse-click goes near it, from memory.
On 26/01/2010 6:11 PM, Lawson English wrote: > Ryan McDougall wrote: > >> I think he's asking if there is any projection function that would >> automatically convert screen coordinates to local prim coordinates. >> >> Cheers, >> >> >> > I suspect that the viewer functions that help the LSL touch functions do > this. Probably the control widgets for builders have much the same > functionality (if they are not the same st of functions underneath it > all). The Pupetteering code definitely could track the mouse on the > avatar and render control widgets but I don't know how accurate it is. > > The media plugin SDK has a way of tracking mouse movements along a prim, > but I'm not sure if its working yet or not. > > What he wants to do is certainly doable but I'm not sure how (yet). > > Lawson > > _______________________________________________ > Policies and (un)subscribe information available here: > http://wiki.secondlife.com/wiki/SLDev > Please read the policies before posting to keep unmoderated posting privileges > > -- Tateru Nino http://dwellonit.taterunino.net/ _______________________________________________ Policies and (un)subscribe information available here: http://wiki.secondlife.com/wiki/SLDev Please read the policies before posting to keep unmoderated posting privileges
