Our math library has functions for converting to/from QAngle and a matrix (use matrix3x4_t for a standard rotation + translation).
So you'd do something like: matrix3x4_t currentRotation, incrementalRotation, nextRotation; QAngle angles = GetAbsAngle(); AngleMatrix( angles, currentRotation ); // compute an incremental 1 degree of roll AngleMatrix( QAngle( 0, 0, 1 ), incremenetalRotation ); ConcatTransforms( incrementalRotation, currentRotation, nextRotation ); MatrixAngles( nextRotation, angles ); SetAbsAngles( angles ); To do your previous example of adding 1 degree to roll. You could just use a matrix all the way through, but I'm describing it this way in case you're using a bunch of our other code (like player orientation) that is already using/networking a QAangle for orientation. Jay > -----Original Message----- > From: hlcoders-boun...@list.valvesoftware.com > [mailto:hlcoders-boun...@list.valvesoftware.com] On Behalf Of > Christopher Harris > Sent: Friday, February 27, 2009 1:48 PM > To: 'Discussion of Half-Life Programming' > Subject: Re: [hlcoders] Flight controls problem > > Instead of doing angle.x/y/z += value you need to instead > compute a rotation > matrix and then multiply it with the current angle and set > that to the new > angle. > > Chris > > -----Original Message----- > From: hlcoders-boun...@list.valvesoftware.com > [mailto:hlcoders-boun...@list.valvesoftware.com] On Behalf Of Grash > Sent: Friday, February 27, 2009 4:28 PM > To: Discussion of Half-Life Programming > Subject: Re: [hlcoders] Flight controls problem > > > My students are asking... > Where would I apply this matrix translation? Im currently just using > setabsangle(qangle) > > > --- On Fri, 2/27/09, Julian Moschüring <ar...@gmx.com> wrote: > > From: Julian Moschüring <ar...@gmx.com> > Subject: Re: [hlcoders] Flight controls problem > To: "Discussion of Half-Life Programming" > <hlcoders@list.valvesoftware.com> > Date: Friday, February 27, 2009, 4:11 PM > > http://en.wikipedia.org/wiki/Gimbal_lock > > Garry Newman schrieb: > > Rotate using a Matrix > > garry > > > > On Fri, Feb 27, 2009 at 8:23 PM, Grash <mr_gr...@yahoo.com> wrote: > > > > > >> They've been trying to figure this out for the past 3 > weeks. What's the > >> best way to tackle this problem? > >> > >> - Grash > >> > >> --- On Fri, 2/27/09, Christopher Harris > <char...@resrchnet.com> wrote: > >> > >> From: Christopher Harris <char...@resrchnet.com> > >> Subject: Re: [hlcoders] Flight controls problem > >> To: "'Discussion of Half-Life Programming'" < > >> hlcoders@list.valvesoftware.com> > >> Date: Friday, February 27, 2009, 3:05 PM > >> > >> I think that the more rolled toward 90 degrees on side you > are the more > yaw > >> will need to adjusted versus pitch since to the game each > axis of the > angle > >> is independent of each other. > >> > >> Chris > >> > >> -----Original Message----- > >> From: hlcoders-boun...@list.valvesoftware.com > >> [mailto:hlcoders-boun...@list.valvesoftware.com] On Behalf Of Grash > >> Sent: Friday, February 27, 2009 1:58 PM > >> To: Discussion of Half-Life Programming > >> Subject: [hlcoders] Flight controls problem > >> > >> > >> One of my students is writing this email out about a > problem they are > >> having. Any help would be greatly appreciated. > >> > >> "We are looking to replace the player with an aircraft > model. We changed > >> the > >> mouse controls to affect the pitch and roll, rather then > the pitch and > yaw. > >> the mousex is affecting the roll and the mousey is affecting the > >> pitch(which > >> hasn't changed) for some reason when we roll the player lets say 90 > degrees > >> on its side. when we change the pitch, the player model is > not pivoting > >> right. the pitch will still have the player look to the > sky rather then > >> rotating sidewards. The 90 degree change on the roll > should be affecting > >> the > >> pitch, but it is not. This is an example of the code we are using. > >> > >> > >> QAngle angle = GetAbsAngle(); > >> > >> angle.z+=1; > >> > >> SetAbsAngle(angle); > >> " _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlcoders
