Probably because they're to lazy :P -------------------------------------------------- From: "Garry Newman" <[email protected]> Sent: Sunday, June 14, 2009 10:58 AM To: "Discussion of Half-Life Programming" <[email protected]> Subject: Re: [hlcoders] Implementing head tracking
> Woah! Why do people buy TrackIR if it's that simple? > garry > > On Sun, Jun 14, 2009 at 3:39 PM, Harry Jeffery < > [email protected]> wrote: > >> http://www.youtube.com/watch?v=qWkpdtFZoBE >> The code is on his site. >> >> 2009/6/14 Brent Lewis <[email protected]>: >> > >> > I assume you guys are talking about head tracking for that cool 3D >> > effect >> like (jump to about 2:30) : >> > >> > http://www.youtube.com/watch?v=Jd3-eiid-Uw >> > >> > I was pretty intrigued by that whole thing. I'm curious though - >> > doesn't >> it require making a skewed frustum? I wouldn't have guessed the engine >> allowed that much control over the rendering. >> > >> > I hope it works well for you. Good luck! >> > >> >> Date: Sun, 14 Jun 2009 09:44:51 -0400 >> >> From: [email protected] >> >> To: [email protected] >> >> Subject: Re: [hlcoders] Implementing head tracking >> >> >> >> To answer your specific questions: >> >> >> >> 1) We didn't find a place to just drop in our tracking device and have >> >> it called every frame. We had to modify quite a few methods in >> >> in_main.cpp to tell the engine to either use our tracker (if enabled) >> >> or fall back to the mouse. Not a lot of code per se, just lots of >> >> modification to exiting conditional statements. >> >> >> >> 2) When you position the player, you are moving the feet of the >> >> player's model. You will have to figure out the transformation from >> >> the feet to the eyes (based on the model's eye height) to figure out >> >> how to put the "camera" where the tracker is. Also, changing the >> >> player's orientation doesn't change the view orientation. We found >> >> that we had to change the player's orientation (angles) as well as the >> >> engine's **ViewAngles** to get the behavior we need. >> >> >> >> Steve >> >> >> >> >> >> >> >> On Sun, Jun 14, 2009 at 9:23 AM, Jan Frederick Eick<[email protected]> >> wrote: >> >> > Hi there! >> >> > >> >> > For an experiment we are trying to implement headtracking. I'm a bit >> >> > lost in the source right now. I read the tutorial about implementing >> >> > a >> >> > 3rd person view. >> >> > This intent raises some questions. >> >> > >> >> > 1) the new "input device" (the tracking system) - is there a method >> >> > which gets called every frame in which we could fetch the data of >> >> > the >> >> > tracking device? >> >> > >> >> > 2) where is the difference in "changing the position of the camera" >> and >> >> > "changing the position of the player"? >> >> > >> >> > I hope you guys get what I'm trying to express ;) >> >> > >> >> > Greets >> >> > >> >> > _______________________________________________ >> >> > To unsubscribe, edit your list preferences, or view the list >> >> > archives, >> please visit: >> >> > http://list.valvesoftware.com/mailman/listinfo/hlcoders >> >> > >> >> > >> >> >> >> _______________________________________________ >> >> To unsubscribe, edit your list preferences, or view the list archives, >> please visit: >> >> http://list.valvesoftware.com/mailman/listinfo/hlcoders >> >> >> > _______________________________________________ >> > To unsubscribe, edit your list preferences, or view the list archives, >> please visit: >> > http://list.valvesoftware.com/mailman/listinfo/hlcoders >> > >> > >> >> _______________________________________________ >> To unsubscribe, edit your list preferences, or view the list archives, >> please visit: >> http://list.valvesoftware.com/mailman/listinfo/hlcoders >> >> > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, > please visit: > http://list.valvesoftware.com/mailman/listinfo/hlcoders > > _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlcoders
