0172ef9d08
Tolerate missing properties in various places, since defaults and other subsystems might not have created them.
29 lines
1.1 KiB
Text
29 lines
1.1 KiB
Text
###############################################################################
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##
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## Windsock turbulence animation
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##
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###############################################################################
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var dt = 0.0;
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var windsock = func {
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var wind = getprop("/environment/wind-speed-kt") or 0;
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var mag1 = getprop("/environment/turbulence/magnitude-norm") or 0;
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var mag2 = getprop("/environment/turbulence/raw-magnitude-norm") or 0;
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var sens = getprop("/environment/turbulence/sensitivity") or 1.0;
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var rateHz = getprop("/environment/turbulence/rate-hz") or 0;
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var rate = 3.1514 * rateHz;
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var tot1 = math.sin(dt*rate)*mag1*mag1;
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var tot2 = math.sin(3.33*dt*rate/sens)*sens*mag2*mag2;
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tot2 = mag2*tot2 + (1-mag2)*math.tan(dt/10)/5;
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var total = wind + tot2 + tot1*tot2;
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interpolate("/environment/windsock/wind-speed-kt", total, 0.3);
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total += 5*mag2;
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interpolate("/environment/windsock/wind-speed-12.5kt", total, 0.1);
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dt += 0.08 + 0.02*(math.sin(dt)+math.cos(dt/(mag2+0.01))*0.33);
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}
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windsockTimer = maketimer(0.25, windsock);
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windsockTimer.simulatedTime = 1;
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windsockTimer.start();
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