39 lines
1.1 KiB
Text
39 lines
1.1 KiB
Text
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# Create initial announced variables at startup of the sim
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V1 = "";
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VR = "";
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V2 = "";
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# The actual function
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var vspeeds = func {
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# Create/populate variables at each function cycle
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# Retrieve total aircraft weight and convert to kg.
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WT = getprop("/fdm/jsbsim/inertia/weight-lbs")*0.00045359237;
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flaps = getprop("/instrumentation/fmc/to-flap");
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# Calculate V-speeds with flaps 10
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if (flaps == 10) {
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V1 = (0.3*(WT-80))+125;
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VR = (0.3*(WT-80))+140;
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V2 = (0.3*(WT-80))+150;
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}
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# Calculate V-speeds with flaps 15
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elsif (flaps == 15) {
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V1 = (0.3*(WT-80))+115;
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VR = (0.3*(WT-80))+130;
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V2 = (0.3*(WT-80))+140;
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}
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# Export the calculated V-speeds to the property-tree, for further use
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setprop("/instrumentation/fmc/vspeeds/V1",V1);
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setprop("/instrumentation/fmc/vspeeds/VR",VR);
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setprop("/instrumentation/fmc/vspeeds/V2",V2);
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# Repeat the function each second
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settimer(vspeeds, 1);
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}
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# Only start the function when the FDM is initialized, to prevent the problem of not-yet-created properties.
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_setlistener("/sim/signals/fdm-initialized", vspeeds);
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