71 lines
2 KiB
Text
71 lines
2 KiB
Text
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var eyjafjallajokull_ash_loop_flag = 0;
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var eyjafjallajokull_main_factor = 1.0;
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var eyjafjallajokull_main_probability = 0.985;
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var eyjafjallajokull_pos = geo.Coord.new().set_latlon(63.628335, -19.62823);
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var eyjafjallajokull_ash_loop = func (timer) {
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if (eyjafjallajokull_ash_loop_flag == 0)
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{
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print("Ending Eyjafjallajökull ash eruption simulation.");
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return;
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}
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if (timer < 0.0)
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{
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if (rand() > 0.6)
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{
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setprop("/environment/volcanoes/eyjafjallajokull/ash-main-alpha", (rand() - 0.5) * 60.0);
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setprop("/environment/volcanoes/eyjafjallajokull/ash-main-beta", (rand() - 0.5) * 60.0);
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}
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else
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{
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setprop("/environment/volcanoes/eyjafjallajokull/ash-main-alpha", 0.0);
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setprop("/environment/volcanoes/eyjafjallajokull/ash-main-beta", 0.0);
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}
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timer = 2.0 + 3.0 * rand();
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}
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var aircraft_pos = geo.aircraft_position();
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var dist = aircraft_pos.distance_to(eyjafjallajokull_pos);
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var turbulence = 1000000.0/(dist * dist);
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if (turbulence > 1.0) {turbulence = 1.0;}
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setprop("/environment/volcanoes/turbulence", turbulence);
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timer = timer - 0.1;
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settimer(func {eyjafjallajokull_ash_loop(timer);}, 0.1);
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}
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eyjafjallajokull_state_manager = func {
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var state_main = getprop("/environment/volcanoes/eyjafjallajokull/main-activity");
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if ( (state_main > 0) and (eyjafjallajokull_ash_loop_flag == 0))
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{
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print ("Starting Eyjafjallajökull ash eruption simulation.");
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eyjafjallajokull_ash_loop_flag = 1;
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eyjafjallajokull_ash_loop(0.0);
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}
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else if ((state_main < 1) and (eyjafjallajokull_ash_loop_flag == 1))
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{
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eyjafjallajokull_ash_loop_flag = 0;
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setprop("/environment/volcanoes/turbulence", 0);
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}
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}
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# call state manager once to get correct autosaved behavior, otherwise use listener
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eyjafjallajokull_state_manager();
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setlistener("/environment/volcanoes/eyjafjallajokull/main-activity", eyjafjallajokull_state_manager);
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