1
0
Fork 0
fgdata/Nasal/canvas/map/staticpos.controller
Stuart Buchanan d84c527ca7 Canvas MapLayers for Airport
Add RWY, TAXI, TWR, PARKING map layers
Add new static position controller
Update Select Airport dialog to use new MapLayers.
2017-10-13 17:38:27 +01:00

74 lines
1.8 KiB
Text

# Class things:
var parents = [Map.Controller];
var __self__ = caller(0)[0];
Map.Controller.add("Static position", __self__);
#Map.df_controller = __self__;
##
# A controller to handle static updates of position, for example an airport
# diagram or non-moving map.
#
# Note that in contrast to the Aircraft Controllers, update_pos() or
# update_layers() must be called explicitly to trigger an update of the map.
##
var new = func(map, source='main') {
var m = {
parents: [__self__],
map: map,
_pos: nil, _time: nil, _range: nil,
_alt: 0, _hdg: 0,
};
m._pos = geo.Coord.new();
m._pos.set_latlon(0.0,0.0);
m.update_pos();
return m;
};
var del = func(map) {
if (map != me.map) die();
};
var setHeading = func(hdg) { me._hdg = hdg; };
var setAltitude = func(alt) { me._alt = alt; };
var getHeading = func() { return me._hdg; };
var getAltitude = func() { return me._alt; };
var setPosition = func(lat, lon) {
me._pos.set_latlon(lat, lon);
me.update_pos();
};
var applyOffset = func(x, y) {
# Apply an offset in screen coordinates, e.g. from a mouse event
var crs = 0.0;
if (x != 0.0) {
# Calculate course in degrees
crs = 90.0 + 180.0 / math.pi * math.atan(y/x);
if (x < 0.0 ) crs = crs + 180.0;
} else {
if (y < 0.0) crs = 0.0;
if (y > 0.0) crs = 180.0
}
# Screen resolution m/pixel is range/screen_range
var screen_range = me.map.getScreenRange() or 200;
var screen_resolution = me.map.getRange() * globals.NM2M / screen_range;
me._pos.apply_course_distance(crs, math.sqrt(x*x + y*y) * screen_resolution);
me.update_pos();
};
# Controller methods
var update_pos = func {
me.map.setPos(lat: me._pos.lat(), lon: me._pos.lon(),
hdg: me._hdg,,
alt: me._alt,);
me.map.update();
};
var update_layers = func {
me.map.update();
};
var get_position = func {
return [ me._pos.lat(), me._pos.lon() ];
}