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Flight Gear Version 0.57 released

Jan 22, 1999, 00:07 (1 Talkback[s])

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Curtis L. Olson writes:

Flight Gear version 0.57 is now available.

The Flight Gear Flight Simulator project is a free, open-source, multi-platform flight sim development project. Source code for the entire project is available and licensed under the GPL.

For more information, please visit the Flight Gear web page at:

New in Version 0.57:

  • Converted to a simpler frame rate counting method.
  • Fixed the AOA reading on the HUD.
  • Removed gpc from the Lib section of distribution by request of the gpc Author. The gpc license is unfortunately not compatible with the GPL. I may look for an alternative library, or just require that developers download this library separately.
  • First slew of changes from the MacOS porting effort contributed by "Robert Puyol" <>.
  • Support for an arbitrary number of serial ports + additional serial port output tweaks.
  • Serial output tweaks to make things more robust and act more like a GPS.
  • Portability enhancements for Borland, Solaris, and SGI.
  • Some internal class renaming and reorganizations. fgFLIGHT becomes FGState. fgCONTROLS becomes FGControls.
  • Started work on an "external" flight model so the sim can be driven from external input (serial port, network, file, etc.)
  • Fixed a problem that creeped in with setting the initial startup altitude. This could cause an unrecoverable bounce and you'd end up flipped on your back. Should be fixed now.
  • Sun now appears to grow in size as it gets very low in the horizon.
  • Fixed a view frustum culling bug where the scene was not accurately culled when your view was anything other than straight forward.