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Adjust vertical or horizontal translation of FPV position to account for roll angle

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This commit is contained in:
sgilchrist123 2020-09-06 22:43:54 +10:00
parent 5219cccaeb
commit f90010da16
1 changed files with 41 additions and 19 deletions
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60
Models/Instruments/PFD/PFD.nas
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@ -15,7 +15,7 @@ var updateR = 0;
var elapsedtime = 0;
var altTens = 0;
var altPolarity = "";
var FPV_Y_COEFFICIENT = 12.5;
var track_diff = 0;
# Fetch nodes:
var state1 = props.globals.getNode("/systems/thrust/state1", 1);
@ -138,6 +138,7 @@ var adr_2_fault = props.globals.getNode("/controls/navigation/adirscp/lights/adr
var adr_3_fault = props.globals.getNode("/controls/navigation/adirscp/lights/adr-3-fault", 1);
var air_data_switch = props.globals.getNode("/controls/navigation/switching/air-data", 1);
# Create Nodes:
var alt_diff = props.globals.initNode("/instrumentation/pfd/alt-diff", 0.0, "DOUBLE");
var ground_diff = props.globals.initNode("/instrumentation/pfd/ground-diff", 0.0, "DOUBLE");
@ -148,7 +149,7 @@ var horizon_ground = props.globals.initNode("/instrumentation/pfd/horizon-ground
var hdg_diff = props.globals.initNode("/instrumentation/pfd/hdg-diff", 0.0, "DOUBLE");
var hdg_scale = props.globals.initNode("/instrumentation/pfd/heading-scale", 0.0, "DOUBLE");
var track = props.globals.initNode("/instrumentation/pfd/track-deg", 0.0, "DOUBLE");
var track_diff = props.globals.initNode("/instrumentation/pfd/track-hdg-diff", 0.0, "DOUBLE");
#var track_diff = props.globals.initNode("/instrumentation/pfd/track-hdg-diff", 0.0, "DOUBLE");
var du1_test = props.globals.initNode("/instrumentation/du/du1-test", 0, "BOOL");
var du1_test_time = props.globals.initNode("/instrumentation/du/du1-test-time", 0.0, "DOUBLE");
var du1_offtime = props.globals.initNode("/instrumentation/du/du1-off-time", 0.0, "DOUBLE");
@ -972,7 +973,8 @@ var canvas_PFD_base = {
me["HDG_target"].hide();
}
me["TRK_pointer"].setTranslation((math.clamp(track_diff.getValue(), -23.62, 23.62) / 10) * 98.5416, 0);
track_diff = track.getValue() - heading.getValue();
me["TRK_pointer"].setTranslation((math.clamp(track_diff, -23.62, 23.62) / 10) * 98.5416, 0);
split_ils = split("/", ils_data1.getValue());
if (ap_ils_mode.getValue() == 1 and size(split_ils) == 2) {
@ -1023,20 +1025,20 @@ var canvas_PFD_base = {
},
# dim the yellow outline of fixed aircraft symbol on PFDs
# eg when crew select TRK-FPA
dimFixedAircraftOutline: func() {
# eg when crew select TRK
# 1 == dim
# 0 == undim
dimFixedAircraftOutline: func(dim_bool) {
var r = 0.345098039;
var g = 0.349019608;
var b = 0.058823529;
me["fixed_aircraft_outline_1"].setColor(r, g, b);
me["fixed_aircraft_outline_2"].setColor(r, g, b);
},
if (dim_bool == 0) {
r = 0.788235294;
g = 0.819607843;
b = 0.129411765;
}
# undim the yellow outline of fixed aircraft symbol on PFDs
undimFixedAircraftOutline: func() {
var r = 0.788235294;
var g = 0.819607843;
var b = 0.129411765;
me["fixed_aircraft_outline_1"].setColor(r, g, b);
me["fixed_aircraft_outline_2"].setColor(r, g, b);
},
@ -1055,6 +1057,22 @@ var canvas_PFD_base = {
return nil;
},
# Returns Y translation value for FPV - accounting for angle of roll
# (On the PFD the FPA is perpendicular to the artificial horizon which is not always horizontal)
getFPVYTranslation: func(track_x_translation, fpa_deg) {
var FPV_Y_COEFFICIENT = 12.5; # query if it should be 12.5 or 11.825
var pitch_px = pitch.getValue() * FPV_Y_COEFFICIENT;
var roll_rad = roll.getValue() * D2R;
var pitch_y_translation = math.tan(roll_rad) * (( pitch_px/math.sin(roll_rad)) + track_x_translation);
var fpa_y_translation = (fpa_deg * FPV_Y_COEFFICIENT)/math.cos(roll_rad);
return pitch_y_translation + ((-1) * fpa_y_translation);
},
};
@ -1130,11 +1148,13 @@ var canvas_PFD_1 = {
var aoa = me.getAOAForPFD1();
if (ap_trk_sw.getValue() == 0 or aoa == nil) {
me["FPV"].hide();
me.undimFixedAircraftOutline();
me.dimFixedAircraftOutline(0);
} else {
me["FPV"].setTranslation((math.clamp(track_diff.getValue(), -23.62, 23.62) / 10) * 98.5416, (math.clamp(aoa, -9.9, 9.9)*FPV_Y_COEFFICIENT)/math.cos(math.abs(roll_cur)*D2R));
var track_x_translation = (math.clamp(track_diff, -23.62, 23.62) / 10) * 98.5416;
var fpa_deg = pitch.getValue() - aoa;
me["FPV"].setTranslation(track_x_translation, me.getFPVYTranslation(track_x_translation, fpa_deg));
me["FPV"].show();
me.dimFixedAircraftOutline();
me.dimFixedAircraftOutline(1);
}
# ILS
@ -1880,11 +1900,13 @@ var canvas_PFD_2 = {
var aoa = me.getAOAForPFD2();
if (ap_trk_sw.getValue() == 0 or aoa == nil) {
me["FPV"].hide();
me.undimFixedAircraftOutline();
me.dimFixedAircraftOutline(0);
} else {
me["FPV"].setTranslation((math.clamp(track_diff.getValue(), -23.62, 23.62) / 10) * 98.5416, (math.clamp(aoa, -9.9, 9.9)*FPV_Y_COEFFICIENT)/math.cos(math.abs(roll_cur)*D2R));
var fpa_deg = pitch.getValue() - aoa;
var track_x_translation = (math.clamp(track_diff, -23.62, 23.62) / 10) * 98.5416;
me["FPV"].setTranslation(track_x_translation, me.getFPVYTranslation(track_x_translation, fpa_deg));
me["FPV"].show();
me.dimFixedAircraftOutline();
me.dimFixedAircraftOutline(1);
}
# ILS