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fgdata/Models/Volcanoes/Beerenberg/beerenberg.nas
2018-09-15 10:32:58 +03:00

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var beerenberg_ash_loop_flag = 0;
var beerenberg_fountain_loop_flag = 0;
var beerenberg_se_factor = 1.0;
var beerenberg_main_factor = 1.0;
var beerenberg_se_probability = 0.985;
var beerenberg_main_probability = 0.985;
var beerenberg_ash_loop = func (timer) {
if (beerenberg_ash_loop_flag == 0)
{
print("Ending Beerenberg ash eruption simulation.");
return;
}
if (timer < 0.0)
{
if (rand() > 0.6)
{
setprop("/environment/volcanoes/beerenberg/ash-se-alpha", (rand() - 0.5) * 60.0);
setprop("/environment/volcanoes/beerenberg/ash-se-beta", (rand() - 0.5) * 60.0);
setprop("/environment/volcanoes/beerenberg/ash-main-alpha", (rand() - 0.5) * 60.0);
setprop("/environment/volcanoes/beerenberg/ash-main-beta", (rand() - 0.5) * 60.0);
}
else
{
setprop("/environment/volcanoes/beerenberg/ash-se-alpha", 0.0);
setprop("/environment/volcanoes/beerenberg/ash-se-beta", 0.0);
setprop("/environment/volcanoes/beerenberg/ash-main-alpha", 0.0);
setprop("/environment/volcanoes/beerenberg/ash-main-beta", 0.0);
}
timer = 2.0 + 3.0 * rand();
}
timer = timer - 0.1;
settimer(func {beerenberg_ash_loop(timer);}, 0.1);
}
var beerenberg_fountain_loop = func (timer, strength, timer_sec, strength_sec) {
if (beerenberg_fountain_loop_flag == 0)
{
print("Ending Etna lava fountain simulation.");
return;
}
if ((timer <= 0.0) and (rand() > beerenberg_se_probability))
{
strength = 180.0 + 70.0 * rand();
strength *= beerenberg_se_factor;
timer = 0.4 + 0.4 * rand();
setprop("/environment/volcanoes/beerenberg/ash-se-alpha", (rand() - 0.5) * 40.0);
setprop("/environment/volcanoes/beerenberg/ash-se-beta", (rand() - 0.5) * 40.0);
}
else if (timer <= 0.0)
{
strength = strength - 3.0;
}
else
{
strength = strength - 0.5;
}
if (strength < 10.0) {strength = 10.0;}
setprop("/environment/volcanoes/beerenberg/se-strength", strength );
setprop("/environment/volcanoes/beerenberg/se-strength-inner", 0.95 * strength );
setprop("/environment/volcanoes/beerenberg/se-quantity", int(5.0*strength + rand()));
setprop("/environment/volcanoes/beerenberg/se-quantity-inner", int(1.0*strength + 0.2 * rand()));
timer = timer - 0.1;
if ((timer_sec <= 0.0) and (rand() > beerenberg_main_probability))
{
strength_sec = 140.0 + 60.0 * rand();
strength_sec *= beerenberg_main_factor;
timer_sec = 0.2 + 0.2 * rand();
setprop("/environment/volcanoes/beerenberg/ash-main-alpha", (rand() - 0.5) * 40.0);
setprop("/environment/volcanoes/beerenberg/ash-main-beta", (rand() - 0.5) * 40.0);
}
else if (timer_sec <= 0.0)
{
strength_sec = strength_sec - 3.0;
}
else
{
strength_sec = strength_sec - 0.5;
}
if (strength_sec < 10.0) {strength_sec = 10.0;}
setprop("/environment/volcanoes/beerenberg/main-strength", 0.95 * ((0.9 + 0.1 * rand()) * strength_sec) );
setprop("/environment/volcanoes/beerenberg/main-strength-inner", ((0.9 + 0.1 * rand()) * strength_sec) );
setprop("/environment/volcanoes/beerenberg/main-quantity", int(5.0*strength_sec + rand()));
setprop("/environment/volcanoes/beerenberg/main-quantity-inner", int(1.0*strength_sec + 0.2 * rand()));
timer_sec = timer_sec - 0.1;
settimer(func {beerenberg_fountain_loop(timer, strength, timer_sec, strength_sec);}, 0.1);
}
beerenberg_state_manager = func {
var state_main = getprop("/environment/volcanoes/beerenberg/main-activity");
var state_flank = getprop("/environment/volcanoes/beerenberg/flank-activity");
if (((state_flank > 2) or (state_main > 2)) and (beerenberg_ash_loop_flag == 0))
{
print ("Starting Beerenberg ash eruption simulation.");
beerenberg_ash_loop_flag = 1;
beerenberg_ash_loop(0.0);
}
else if ((state_flank < 3) and (state_main < 3) and (beerenberg_ash_loop_flag == 1))
{
beerenberg_ash_loop_flag = 0;
}
if (((state_flank == 2) or (state_main == 2)) and (beerenberg_fountain_loop_flag == 0))
{
print ("Starting Beerenberg lava fountain simulation.");
beerenberg_fountain_loop_flag = 1;
beerenberg_fountain_loop(0.0, 0.0, 0.0, 0.0);
}
else if ((state_flank < 2) and (state_main < 2) and (beerenberg_fountain_loop_flag == 1))
{
beerenberg_fountain_loop_flag = 0;
}
}
# call state manager once to get correct autosaved behavior, otherwise use listener
beerenberg_state_manager();
setlistener("/environment/volcanoes/beerenberg/southeast-activity", beerenberg_state_manager);
setlistener("/environment/volcanoes/beerenberg/main-activity", beerenberg_state_manager);