starlit  Diff

Differences From Artifact [a2ac450e1c]:

• File mods/starlit/world.lua — part of check-in [511814aace] at 2024-05-03 21:00:04 on branch trunk — add primitive thermal hazard LEDs; further documentation (user: lexi, size: 9030) [annotate] [blame] [check-ins using]

To Artifact [5368f81f41]:

• File mods/starlit/world.lua — part of check-in [9d4ddb7701] at 2024-05-04 02:18:17 on branch trunk — fix colors, add grass (user: lexi, size: 8893) [annotate] [blame] [check-ins using]

     7      7   	local day = days % world.planet.orbit;
     8      8   	return {
     9      9   		year = year, day = day;
    10     10   		season = day / world.planet.orbit + 0.5; -- begin summer
    11     11   	}
    12     12   end
    13     13   local lerp = lib.math.lerp
    14         -
    15         -local function gradient(grad, pos)
    16         -	local n = #grad
    17         -	if n == 1 then return grad[1] end
    18         -	local op = pos*(n-1)
    19         -	local idx = math.floor(op)
    20         -	local t = op-idx
    21         -	return lerp(t, grad[1 + idx], grad[2 + idx])
    22         -end
           14  +local gradient = lib.math.gradient
    23     15   
    24     16   local altitudeCooling = 10 / 100
    25         -local heatRange = {min = -70, max = 70} -- translate mt temps into real temps
           17  +local heatRange = {min = -50, max = 50} -- translate mt temps into real temps
    26     18   
    27     19   -- this function provides the basis for temperature calculation,
    28     20   -- which is performed by adding this value to the ambient temperature,
    29     21   -- determined by querying nearby group:heatSource items in accordance
    30     22   -- with the inverse-square law
    31     23   function world.climate.eval(pos, tod, season)
    32     24   	local data = minetest.get_biome_data(pos)
    33     25   	local biome = world.ecology.biomes.db[minetest.get_biome_name(data.biome)]
           26  +-- 	print('climate:', dump(data))
    34     27   	local heat, humid = data.heat, data.humidity
    35     28   	heat = lerp(heat/100, heatRange.min, heatRange.max)
    36     29   	tod = tod or minetest.get_timeofday()
    37     30   	heat = lerp(math.abs(tod - 0.5)*2, heat, heat + biome.nightTempDelta)
    38     31   -- 	print('base heat', heat)
    39     32   
    40     33   	local td = world.date()