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Add abs() and interpolate() to globals. Move bo105 code to the -set.xml file

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andy 2003-12-05 02:38:35 +00:00
parent 2c92f74b9f
commit 5ed2c89605
2 changed files with 30 additions and 41 deletions
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41
Nasal/bo105.nas
View file

@ -1,41 +0,0 @@
# $Id$
#print("Loading bo105.nas");
if (streq(getprop("/sim/aero"), "bo105")) {
print(
"Additional key bindings for the bo105 helicopter:\n\n",
"\tShift-C ... open/close rear door"
);
}
rearpos = "/controls/doors/rear";
rearstep = "/controls/doors/rear-state";
setprop(rearstep, 0);
reardoor = func {
pos = getprop(rearpos);
step = getprop(rearstep);
if (pos == 0 or step < 0) {
setprop(rearstep, 0.02);
} elsif (pos == 1 or step > 0) {
setprop(rearstep, -0.02);
}
settimer(MoveDoor, 0.05);
}
MoveDoor = func {
pos = getprop(rearpos);
step = getprop(rearstep);
if (pos + step >= 0 and pos + step <= 1) {
setprop(rearpos, pos + step);
settimer(MoveDoor, 0.05);
} else {
if (step < 0) {
setprop(rearpos, 0);
} elsif (step > 0) {
setprop(rearpos, 1);
}
setprop(rearstep, 0);
}
}
#print("Finished loading bo105.nas");

30
Nasal/globals.nas
View file

@ -31,3 +31,33 @@ fgcommand = func {
# props.Node object.
#
cmdarg = func { props.wrapNode(_cmdarg()) }
##
# Utility. Does what it you think it does.
#
abs = func { if(arg[0] < 0) { -arg[0] } else { arg[0] } }
##
# Convenience wrapper for the _interpolate function. Takes a
# single string or props.Node object in arg[0] indicating a target
# property, and a variable-length list of time/value pairs. Example:
#
# interpolate("/animations/radar/angle",
# 180, 1, 360, 1, 0, 0,
# 180, 1, 360, 1, 0, 0,
# 180, 1, 360, 1, 0, 0,
# 180, 1, 360, 1, 0, 0,
# 180, 1, 360, 1, 0, 0,
# 180, 1, 360, 1, 0, 0,
# 180, 1, 360, 1, 0, 0,
# 180, 1, 360, 1, 0, 0);
#
# This will swing the "radar dish" smoothly through 8 revolutions over
# 16 seconds. Note the use of zero-time interpolation between 360 and
# 0 to wrap the interpolated value properly.
#
interpolate = func {
if(isa(arg[0], props.Node)) { arg[0] = arg[0]._g; }
elsif(typeof(arg[0]) != "scalar") { return; }
_interpolate(arg[0], subvec(arg, 1));
}