-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Dave Elcock wrote: > This is a fix for bug 1077795, which has been bugging me for about 2 > years. It took me ages to figure this out, but the solution is quite > small in the end. There's nothing wrong with what lib3ds itself is > doing, it's just the player's interpretation of the matrices that's > slightly lacking. > > If the determinant of the node matrix is less than 0, it means that it > describes a right-hand coordinate system, so it needs mirrored in the > YZ plane, and the pivot.x should be negated too. >
Do you think this should be mentioned in the documentation? > Patch follows below. Thanks, I'll put it in the patch tracker. I'm now thinking about freeing some time soon to make a new release. > > Cheers, > Dave. > > p.s. In trying to solve this, I added some new functionality to do the > "Polar Matrix Decomposition" stuff from Graphics Gems IV. This > includes 3ds Max-like decomp_affine etc, which could be fairly useful. > If you want it, let me know and I'll send in the patches. > Yes, these would be useful. matrix.h/c maybe. > p.p.s. Oh, and my problems with getting the build going was due to me > using ancient autoconf and automake. I was on autoconf 2.13 and > automake 1.4-p6. Still toiling away on Mandrake 9.1! I think the minimums are autoconf 2.57 and automake 1.7, we could require those in configure. If anyone is using 2.53 and 1.5 or 1.6 sucessfully please let me know and I'll reduce those. Reed -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFE31xKFK83gN8ItOQRAsj8AJ93QE2o4VLjdDOhJ30T+MX+FYenoQCeIdkf t3YCJCH0zYODPGRFHQwdvpY= =lYIf -----END PGP SIGNATURE----- ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ lib3ds-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/lib3ds-devel
