object rotation bugs

Trying to turn a single prim 90 degrees. The results were unexpected. Instead of staying at 90 degrees, the prim turned to 89.98 I experimented with a couple of new prims and the results were a consistent failure. The prim never took the 90 degrees.

Other times I have noticed strange numbers like
359.01
00.01
270.00

Those are not the exact numbers mind you but similar "off" numbers were shown. When working on squared corners and building off from those squared corners. This non-ability to keep my builds square is annoying.

This bug has been in-game since approximately 1.4.3, and has been bug reported many times. It's a degenerative bug and the rotations get further off the more you try to fix them, as well as the more times you link/unlink a set. It has made precision building impossible.

Every time I see a patch, I hope it's been fixed. It never is.

Anne Bancroft?!

Wow.

How's Mel doing?

I think this rotation thing is a problem with all 3D software. There is a trade-off between wanting the system to be responsive and doing the high precision arithmetic needed to avoid (or at least reduce) such anomalies.

Generally I'd recommend starting a new build lined up with the NSEW orientation of the SIM and avoiding any major substructures at odd angles.

You know you can actually type the angle numbers in right? Sometimes when I have trouble manipulating things with the mouse I resort to this.

I don't think you quite understand the problem- even when you type in concrete angles like <90,0,180> the numbers change themselves to things like <89.96,0.01,179.98>. There's a floating point error occurring in there somewhere.

Yes, I could ignore it(and produce crappily built avatars) or I could find a completely new way of building to accomdate this bug.

OR, they could -fix the bug-.

Euleon Geometry, Pythagoras would roll over in his grave...

/e applies a liberal coat of insecticide to the Rotation Bug...