 | | Re: Save the 10183 trains!
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(...) Well, it was worth a try. I tried both LDD1.6 and LDD2.0 . Both required a new Linux /lib32 library, libdrm.so.1 . I got that and installed it. LDD1.6 tries to do what looks like some OpenGLL stuff that isn't supported. It *did* manage to (...) (18 years ago, 9-Apr-07, to lugnet.trains, lugnet.cad.ldd)
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| | Re: how does a line ends?
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(...) I thought about using a static instead of ungetc() in the first version of readLine() that I posted. This means that you can only read from one open file at a time, but that is usually an OK restriction as long as the programmer is aware of (...) (18 years ago, 8-Apr-07, to lugnet.cad, FTX)
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| | Re: how does a line ends?
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(...) As long as you only have one character to 'unget' you could probably speed it up by introducing a static char which holds the 'ungetted' char (or null), instead of going through ungetc() -- fgetc(). OTOH, the if-statement to check if there is (...) (18 years ago, 8-Apr-07, to lugnet.cad)
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| | Re: Inverse matrix?
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The latest: (URL) (18 years ago, 8-Apr-07, to lugnet.cad.ray, lugnet.cad)
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| | Re: Inverse matrix?
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(...) Well I'll be! That works too! Thanks you guys! James (18 years ago, 8-Apr-07, to lugnet.cad.ray, lugnet.cad)
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| | Re: Inverse matrix? [DAT]
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(...) Did you mean this: [ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ] [ 1 5 9 13 2 6 10 14 3 7 11 15 4 8 12 16 ] I have yet to try it. James (18 years ago, 8-Apr-07, to lugnet.cad.ray, lugnet.cad)
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| | Re: Inverse matrix?
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(...) I learned my matrix math from a 3d game programming book and I have no idea what the diagonals are... I was going to look it up but I got Travis' code to work! (URL) might still look it up as I may need to know about it) James (18 years ago, 7-Apr-07, to lugnet.cad.ray, lugnet.cad)
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| | Re: Inverse matrix?
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(...) I mean swap the OFF-diagonals, leave the diagonals as is. (...) (18 years ago, 7-Apr-07, to lugnet.cad.ray, lugnet.cad)
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| | Re: how does a line ends?
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(...) Interesting. I looked at the C runtime library sources that came with MSVC++ 6.0. The fgets() function there is definitely a little different than either yours or the one ROSCO linked. It does have a couple calls for thread safety, but (...) (18 years ago, 7-Apr-07, to lugnet.cad, FTX)
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| | Re: Inverse matrix?
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(...) Just take the transpose of the 3x3 world rotation matrix and it should work as the inverse. Transpose means swap diagonals M[1,2] <=> M[2,1] etc. If this doesn't work I've misunderstood you. Tim (18 years ago, 7-Apr-07, to lugnet.cad.ray, lugnet.cad)
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