Gone with the wind

The wind simulation is the main feature of this release. There is a 3D Navier-Stokes solver behind the simulation. The solver works with boundary conditions where the boundaries are the terrain and the actors of the scene. The solver is fed by the velocity calculated from the wind gusts.
To visualize the effect of the wind a particle system is also added. The particles are added by wind, footsteps and vehicles.
This simulation and the particle system can be turned off.

Other features:

• the Shuttle Rayder Sydonia is available in this release
• improved cloud rendering and shadow quality option
• SpaceX Dragon suit is also available in this release
• a new type of screenshot is added: only the sky is visible and it can be stored in small float format