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added biome check based on noice parameters

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Arturas Norkus
2017-05-28 09:49:37 +03:00
parent d51e0e28b0
commit b2f32023f5
6 changed files with 114 additions and 6 deletions
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55
utils.lua
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@ -73,4 +73,57 @@ hw_utils.get_random_pos = function(player, offset)
return {x=random_pos_x, y=random_pos_y, z=random_pos_z}
end
end
local np_temp = {
offset = 50,
scale = 50,
spread = {x = 1000, y = 1000, z = 1000},
seed = 5349,
octaves = 3,
persist = 0.5,
lacunarity = 2.0
}
local np_humid = {
offset = 50,
scale = 50,
spread = {x = 1000, y = 1000, z = 1000},
seed = 842,
octaves = 3,
persist = 0.5,
lacunarity = 2.0
}
hw_utils.is_biome_frozen = function(position)
local posx = math.floor(position.x)
local posz = math.floor(position.z)
local noise_obj = minetest.get_perlin(np_temp)
local noise_temp = noise_obj:get2d({x = posx, y = posz})
-- below 35 heat biome considered to be frozen type
return noise_temp < 35
end
hw_utils.is_biome_dry = function(position)
local posx = math.floor(position.x)
local posz = math.floor(position.z)
local noise_obj = minetest.get_perlin(np_humid)
local noise_humid = noise_obj:get2d({x = posx, y = posz})
-- below 50 humid biome considered to be dry type (at least by this mod)
return noise_humid < 50
end
hw_utils.is_biome_tropic = function(position)
local posx = math.floor(position.x)
local posz = math.floor(position.z)
local noise_obj = minetest.get_perlin(np_humid)
local noise_humid = noise_obj:get2d({x = posx, y = posz})
noise_obj = minetest.get_perlin(np_temp)
local noise_temp = noise_obj:get2d({x = posx, y = posz})
-- humid and temp values are taked by testing flying around world (not sure actually)
return noise_humid > 55 and noise_temp > 80
end