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Vivian MEAZZA: tyresmoke: add spray flag/intensity for wet surfaces

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mfranz 2008-10-08 22:57:50 +00:00
parent 996fd73c0c
commit b1017ac425
1 changed files with 43 additions and 11 deletions
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54
Nasal/aircraft.nas
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@ -474,7 +474,7 @@ var timer = {
if (m.node.getType() == "NONE")
m.node.setDoubleValue(0);
m.systimeN = props.globals.getNode("/sim/time/elapsed-sec", 1);
me.systimeN = props.globals.getNode("/sim/time/elapsed-sec", 1);
m.last_systime = nil;
m.interval = res;
m.loopid = 0;
@ -908,33 +908,65 @@ var autotrim = {
var tyresmoke = {
new : func(number) {
var m = { parents: [tyresmoke] };
m.vertical_speed = props.globals.getNode("velocities/vertical-speed-fps", 1);
m.speed = props.globals.getNode("velocities/groundspeed-kt", 1);
me.vertical_speed = props.initNode("velocities/vertical-speed-fps");
me.speed = props.initNode("velocities/groundspeed-kt");
me.rain = props.initNode("environment/metar/rain-norm");
var gear = "gear/gear[" ~ number ~ "]/";
m.wow = props.initNode(gear ~ "wow");
m.tyresmoke = props.initNode(gear ~ "tyre-smoke", 0, "BOOL");
m.friction_factor = props.initNode(gear ~ "ground-friction-factor", 1);
m.sprayspeed = props.initNode(gear ~ "sprayspeed-ms");
m.spray = props.initNode(gear ~ "spray", 0, "BOOL");
m.spraydensity = props.initNode(gear ~ "spray-density", 0, "DOUBLE");
if (getprop("sim/flight-model") == "jsb") {
var wheel_speed = "fdm/jsbsim/gear/unit[" ~ number ~ "]/wheel-speed-fps";
m.rollspeed = props.initNode(wheel_speed);
m.get_rollspeed = func m.rollspeed.getValue() * 0.3043;
} else {
m.rollspeed = props.initNode(gear ~ "rollspeed-ms");
m.get_rollspeed = func m.rollspeed.getValue();
}
var gear = props.globals.getNode("gear", 1).getChild("gear", number, 1);
m.wow = props.initNode(gear.getNode("wow", 1));
m.tyresmoke = props.initNode(gear.getNode("tyre-smoke", 1), 0, "BOOL");
m.friction_factor = props.initNode(gear.getNode("ground-friction-factor", 1), 1);
m.rollspeed = props.initNode(gear.getNode("rollspeed-ms", 1));
m.lp = lowpass.new(2);
return m;
},
update : func {
var rollspeed = me.rollspeed.getValue();
var rollspeed = me.get_rollspeed();
var vert_speed = me.vertical_speed.getValue();
var groundspeed = me.speed.getValue();
var friction_factor = me.friction_factor.getValue();
var wow = me.wow.getValue();
var rain = me.rain.getValue();
var filtered_rollspeed = me.lp.filter(rollspeed);
var diff = math.abs(rollspeed - filtered_rollspeed);
var diff_norm = diff > 0 ? diff / rollspeed : 0;
# print("wow ", wow, " vert_speed ", vert_speed, " diff_norm ",
# diff_norm, " friction_factor ", friction_factor,
# " groundspeed ", groundspeed,
# " rain ", rain);
if (wow and vert_speed < -0.05 and diff_norm > 0.05
and friction_factor > 0.7 and groundspeed > 50)
and friction_factor > 0.7 and groundspeed > 50
and rain < 0.20) {
me.tyresmoke.setValue(1);
else
me.spray.setValue(0);
} elsif (wow and groundspeed > 5 and rain >= 0.20) {
me.tyresmoke.setValue(0);
me.spray.setValue(1);
me.sprayspeed.setValue(rollspeed * 6);
me.spraydensity.setValue(rain * groundspeed);
} else {
me.tyresmoke.setValue(0);
me.spray.setValue(0);
me.sprayspeed.setValue(0);
me.spraydensity.setValue(0);
}
},
};