CRRCsim 0.9.13 released

This new release features further improvements and new functionalities:

• Internationalisation: added translation in Czech.
• Various improvements/fixes/new features to the aircraft aerodynamics and windfield models:
  • fixed airmass rotation effect (e.g. thermals)
  • added flap non linear effect & spoiler pitching moment
  • improved propeller simulation
  • added a realistic wind turbulence model based on MIL-HDBK-1797, setup in wind dialog.
• New models:
  • Graupner/Tangent Pilatus B4 2.6m
  • Generic F3F glider, with realistic aerodynamics
  • Sebart Angel S30E electric aerobatic model
• Option to load model's mixer setting, if defined
• Scene/airplane rendering and graphics development:
  • added anti aliasing
  • resizing of windows reactivated for Win32 version
  • added "smart camera" mode
  • added 3D wind vector visualisation option, toggled by View menu or W key
  • much improved realism of shadows (airplane and scene objects) and sun light
  • sun position & haze now defined in scenery file
  • added model view window, toggled by M key
  • improved treatment of translucent and partially translucent objects in scene (e.g. trees)
  • new "population" tag to distribute objects in the scene
  • fixed most airplane models and scene object 3d files (normals and degenerated surfaces)
• New scenery: Simple woods, a simple "urban slope" scenery
• F3F mode: optionally shows the planes of the bases for easier identification of model position.
• New F3A mode.
• Others bug fix