FGFS-4.1/flightgear-addon-aerotow-everywhere
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Set a smoother speed gradient when rolling

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This commit is contained in:
Roman Ludwicki 2022-08-14 01:38:02 +02:00
parent 462ad1a877
commit 78947e1753
1 changed files with 44 additions and 16 deletions
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aerotow.nas
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@ -20,7 +20,6 @@ var PATH_FLIGHTPLAN = addon.storagePath ~ "/AI/FlightPlans/" ~ FILENAME_FLIGHTPL
var SCENARIO_ID = "aerotow_addon";
var SCENARIO_NAME = "Aerotow Add-on";
var SCENARIO_DESC = "This scenario starts the towing plane at the airport where the pilot with the glider is located. Use Ctrl-o to hook the plane.";
var MAX_RWY_LENGTH = 225; # Sum of distance in Rolling waypoints in meters
#
# Global variables
@ -180,10 +179,11 @@ var generateFlightPlanXml = func () {
var airport = airportinfo(icao);
var runway = airport.runways[runwayName];
if (runway.length < MAX_RWY_LENGTH) {
var minRwyLength = getMinRunwayLength();
if (runway.length < minRwyLength) {
messages.displayError(
"This runway is too short. Please choose a longer one then " ~ MAX_RWY_LENGTH ~ " m "
~ "(" ~ math.round(MAX_RWY_LENGTH * METER_TO_FEET) ~ " ft)."
"This runway is too short. Please choose a longer one then " ~ minRwyLength ~ " m "
~ "(" ~ math.round(minRwyLength * M2FT) ~ " ft)."
);
return 0;
}
@ -214,13 +214,22 @@ var generateFlightPlanXml = func () {
addWptGround({"hdgChange": 0, "dist": 30 + gliderOffsetM}, {"altChange": 0, "ktas": 2.5});
# Rolling
addWptGround({"hdgChange": 0, "dist": 5}, {"altChange": 0, "ktas": 5});
addWptGround({"hdgChange": 0, "dist": 50}, {"altChange": 0, "ktas": perf.speed / 4});
addWptGround({"hdgChange": 0, "dist": 50}, {"altChange": 0, "ktas": perf.speed / 1.8});
addWptGround({"hdgChange": 0, "dist": 50}, {"altChange": 0, "ktas": perf.speed});
addWptGround({"hdgChange": 0, "dist": 10}, {"altChange": 0, "ktas": 5});
addWptGround({"hdgChange": 0, "dist": 20}, {"altChange": 0, "ktas": 5});
addWptGround({"hdgChange": 0, "dist": 20}, {"altChange": 0, "ktas": perf.speed / 6});
addWptGround({"hdgChange": 0, "dist": 10}, {"altChange": 0, "ktas": perf.speed / 5});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 4});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 3.5});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 3});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 2.5});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 2});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 1.75});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 1.5});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 1.25});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed});
# Takeof
addWptAir({"hdgChange": 0, "dist": 70}, {"altChange": 3, "ktas": perf.speed * 1.05});
addWptAir({"hdgChange": 0, "dist": 100 * perf.rolling}, {"altChange": 3, "ktas": perf.speed * 1.05});
addWptAir({"hdgChange": 0, "dist": 100}, {"altChange": perf.vs / 10, "ktas": perf.speed * 1.025});
# Circle around airport
@ -260,7 +269,7 @@ var generateFlightPlanXml = func () {
}
#
# Return hash with "vs" and "speed".
# Return hash with "vs", "speed", "rolling".
#
var getAircraftPerformance = func () {
# Cub
@ -284,22 +293,25 @@ var getAircraftPerformance = func () {
var aiModel = getSelectedAircraft();
if (aiModel == "DR400") {
return {
"vs": 285, # ft per 1000 m
"speed": 70,
"vs": 285, # ft per 1000 m
"speed": 70,
"rolling": 2,
};
}
if (aiModel == "c182") {
return {
"vs": 295, # ft per 1000 m
"speed": 75,
"vs": 295, # ft per 1000 m
"speed": 75,
"rolling": 2.2,
};
}
# Cub
return {
"vs": 200, # ft per 1000 m
"speed": 55,
"vs": 200, # ft per 1000 m
"speed": 55,
"rolling": 1,
};
}
@ -338,6 +350,22 @@ var getGliderOffsetFromRunwayThreshold = func (runway) {
return rwyThreshold.distance_to(gliderCoord);
}
#
# Get the minimum runway length required, in meters
#
var getMinRunwayLength = func () {
var aiModel = getSelectedAircraft();
if (aiModel == "DR400") {
return 470;
}
if (aiModel == "c182") {
return 508;
}
return 280;
}
#
# Add new waypoint on ground
#