kOS/lib/reentry.ks

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// Automated reentry.
// Assumes stage 0 contains only parachutes.
// Primarily written for small science payload probes.
RunOncePath("lib/systems").
function PerformReentry {
parameter retractAntennae is true.
SAS off.
print "Reentry mode activated. Control permanently locked.".
local normal is VCrs(SHIP:SRFPROGRADE:FOREVECTOR, SHIP:UP:FOREVECTOR).
lock STEERING to normal.
wait until Vang(SHIP:FACING:FOREVECTOR, normal) < 5.
wait until SHIP:ALTITUDE < 70000.
// stage until only stage 0 remains.
until STAGE:NUMBER <= 1 {
stage.
}
lock STEERING to SHIP:SRFRETROGRADE.
if retractAntennae {
Antennas(false).
}
wait until SHIP:ALTITUDE - Max(SHIP:GEOPOSITION:TERRAINHEIGHT, 0) < 2500.
CHUTES on.
wait until false.
}