mirror of
https://github.com/t-affeldt/climate_api.git
synced 2024-12-22 17:00:36 +01:00
87 lines
2.1 KiB
Lua
87 lines
2.1 KiB
Lua
local world = {}
|
|
local BASE_TIME = 0.2 * climate_mod.settings.time_spread
|
|
|
|
local WIND_SPREAD = 600
|
|
local WIND_SCALE = 2
|
|
local HEAT_SPREAD = 400
|
|
local HEAT_SCALE = 0.3
|
|
local HUMIDITY_SPREAD = 150
|
|
local HUMIDITY_SCALE = 1
|
|
local HUMIDITY_TIMESCALE = 1
|
|
|
|
local nobj_wind_x
|
|
local nobj_wind_z
|
|
local nobj_heat
|
|
local nobj_humidity
|
|
local nobj_humidity_base
|
|
|
|
local pn_wind_speed_x = {
|
|
offset = 0,
|
|
scale = WIND_SCALE,
|
|
spread = {x = WIND_SPREAD, y = WIND_SPREAD, z = WIND_SPREAD},
|
|
seed = 31441,
|
|
octaves = 2,
|
|
persist = 0.5,
|
|
lacunarity = 2
|
|
}
|
|
|
|
local pn_wind_speed_z = {
|
|
offset = 0,
|
|
scale = WIND_SCALE,
|
|
spread = {x = WIND_SPREAD, y = WIND_SPREAD, z = WIND_SPREAD},
|
|
seed = 938402,
|
|
octaves = 2,
|
|
persist = 0.5,
|
|
lacunarity = 2
|
|
}
|
|
|
|
local pn_heat = {
|
|
offset = 1,
|
|
scale = HEAT_SCALE,
|
|
spread = {x = HEAT_SPREAD, y = HEAT_SPREAD, z = HEAT_SPREAD},
|
|
seed = 235896,
|
|
octaves = 2,
|
|
persist = 0.5,
|
|
lacunarity = 2
|
|
}
|
|
|
|
local pn_humidity = {
|
|
offset = 1,
|
|
scale = HUMIDITY_SCALE,
|
|
spread = {x = HUMIDITY_SPREAD, y = HUMIDITY_SPREAD, z = HUMIDITY_SPREAD},
|
|
seed = 8374061,
|
|
octaves = 2,
|
|
persist = 0.5,
|
|
lacunarity = 2,
|
|
flags = "noeased"
|
|
}
|
|
|
|
local function update_wind(timer)
|
|
nobj_wind_x = nobj_wind_x or minetest.get_perlin(pn_wind_speed_x)
|
|
nobj_wind_z = nobj_wind_z or minetest.get_perlin(pn_wind_speed_z)
|
|
local n_wind_x = nobj_wind_x:get_2d({x = timer, y = 0})
|
|
local n_wind_z = nobj_wind_z:get_2d({x = timer, y = 0})
|
|
climate_mod.state:set_float("wind_x", n_wind_x)
|
|
climate_mod.state:set_float("wind_z", n_wind_z)
|
|
end
|
|
|
|
local function update_heat(timer)
|
|
nobj_heat = nobj_heat or minetest.get_perlin(pn_heat)
|
|
local n_heat = nobj_heat:get_2d({x = timer, y = 0})
|
|
climate_mod.state:set_float("heat_random", n_heat)
|
|
end
|
|
|
|
local function update_humidity(timer)
|
|
nobj_humidity = nobj_humidity or minetest.get_perlin(pn_humidity)
|
|
local n_humidity = nobj_humidity:get_2d({x = timer * HUMIDITY_TIMESCALE, y = 0})
|
|
climate_mod.state:set_float("humidity_random", n_humidity)
|
|
end
|
|
|
|
function world.update_status(timer)
|
|
timer = math.floor(timer * BASE_TIME)
|
|
update_wind(timer)
|
|
update_heat(timer)
|
|
update_humidity(timer)
|
|
end
|
|
|
|
return world |