42 lines
993 B
Text
42 lines
993 B
Text
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# Class things:
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var parents = [Map.Controller];
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var __self__ = caller(0)[0];
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Map.Controller.add("Aircraft position", __self__);
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Map.df_controller = __self__;
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var new = func(map) {
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var m = {
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parents: [__self__],
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map: map,
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_pos: nil, _time: nil,
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};
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m.timer = maketimer(0, m, update_pos);
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m.timer.start();
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return m;
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};
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var del = func(map) {
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if (map != me.map) die();
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me.timer.stop();
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};
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# Controller methods
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var update_pos = func {
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var (lat,lon) = (var pos = geo.aircraft_position()).latlon();
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var time = systime();
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me.map.setPos(lat, lon, getprop("/orientation/heading-deg"));
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if (me._pos == nil)
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me._pos = geo.Coord.new(pos);
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else {
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var dist = me._pos.direct_distance_to(pos);
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# 2 NM until we update again
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if (dist < 2 * NM2M) return;
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# Update at most every 4 seconds to avoid escessive stutter:
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elsif (time - me._time < 4) return;
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}
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#print("update aircraft position");
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var (x,y,z) = pos.xyz();
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me._pos.set_xyz(x,y,z);
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me._time = time;
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me.map.update();
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};
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