Hi All,
We currently have a number of aircraft which feature blackout and redout due to
the G-force on the pilot.
Blackout occurs when the pilot is subject to high positive G-loading, as the
blood is drained from the head. Red-out occurs when the pilot is subject to high
negative G-loading, as extra blood pools in the head. The effects can be
mitigated by tensing the muscles of the legs (for blackout) or wearing a G-suit.
I've just committed a generic, configurable version which means that all
aircraft
now have G-force blackout, and the aircraft-specific versions can now be
retired.
As G-force affects all pilots, it seems appropriate to have a single solution
for
everyone as part of the core simulator, rather than only specific aircraft.
Notes:
1) There is a G-force Options dialog under the View menu, which allows the user
to enabled/disable blackout and set the G-force at which blackout and red-out
occur, and are complete (i.e. the screen is completely black/red).
2) Whether or not blackout is enabled is controlled by
/sim/rendering/redout/enabled. This is a userarchive property. The intention is
that the user will configure this.
3) The points at which blackout/redout start and are complete are configured by
the following properties:
/sim/rendering/redout/blackout-onset
/sim/rendering/redout/blackout-complete
/sim/rendering/redout/redout-onset
/sim/rendering/redout/redout-complete
These are not userarchive. The intention is that aircraft designers can
configure
these appropriately to take into account the resilience of the pilot. For
example, the default values are probably appropriate for a civilian pilot, while
a military pilot in a G-suit will have a much higher tolerance.
4) The blackout/redout only occur within in-cockpit views (the view/internal
property), so have no effect on chase or tower views.
5) The properties and dialogs are under redout as this is the name .cxx file
and that implements the blackout/redout, and also the property which is used to
control the current blackout/redout itself. Yes, we could change it to
blackout.
6) This is OSG only, so isn't applicable to the plib data branch.
Comments are, as always, very welcome.
-Stuart
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