Version 0.1.1 more, and varying snowfall
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-- Snowdrift 0.1.1 by paramat
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-- For latest stable Minetest and back to 0.4.6
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-- Depends default
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-- Licenses: Code WTFPL. Textures CC BY-SA.
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-- This is intended to be used as alternative snowfall for the snow mod by Splizard.
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-- The code is partly derived from weather mod by Jeija and snow mod version 1.8 by Splizard.
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Version 0.1.0
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---------------
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* Snowfall only in the snow biomes of snow mod by Splizard. You will need to disable snow mod snowfall.
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* Minimal processing for less powerful computers.
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* Snowfall is only seen by a player if the player is outside under open sky.
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* Each snowflake has it's own random trajectory, initial position, initial velocity and acceleration.
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* Snow falls at an average of 1m/s.
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* Snow drifts southwards at an average of 1m/s, a slightly lower speed than the southward cloud drift.
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* Snowflakes are sized to match 16x16 texture resolution and the icons used in my texture pack.
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* The snow box around the player is 128x128x32 nodes in size.
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* Parameter PROCHA controls snow density and processing load, default is 0.5, try 1 for denser snow.
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Version 0.1.1
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-------------
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* Mod is too light, doubled maximum snow density, added second snowflake design with a square symmetry.
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* Snow density is now smoothly varied by how deep into a snow biome a player is.
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default
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-- Snowdrift 0.1.1 by paramat
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-- For latest stable Minetest and back to 0.4.6
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-- Depends default
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-- Licenses: Code WTFPL. Textures CC BY-SA.
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-- This is intended to be used as alternative snowfall for the snow mod by Splizard.
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-- The code is partly derived from weather mod by Jeija and snow mod version 1.8 by Splizard.
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-- Parameters
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local MAXCHA = 1 -- (0 to 1) Maximum per globalstep chance of processing a player. Controls snow density and processing load.
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local SEED1 = 112 -- 112 -- These 5 parameters should match the values you use in snow mod.
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local OCTA1 = 3 -- 3
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local PERS1 = 0.5 -- 0.5
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local SCAL1 = 256 -- 150 -- Large scale size of snow biomes.
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local SNOTHR = 0.4 -- 0.53 -- Perlin noise > SNOTHR for snow biome.
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-- Stuff
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snowdrift = {}
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-- Globalstep function
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minetest.register_globalstep(function(dtime)
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for _, player in ipairs(minetest.get_connected_players()) do
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if math.random() > MAXCHA then
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return
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end
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local ppos = player:getpos()
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if minetest.env:get_node_light(ppos, 0.5) ~= 15 then
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return
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end
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local perlin1 = minetest.env:get_perlin(SEED1, OCTA1, PERS1, SCAL1)
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local noise1 = perlin1:get2d({x = ppos.x, y = ppos.z})
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local biome = noise1 - SNOTHR
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if math.random() > biome then
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return
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end
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local posi = {x = ppos.x - 64 + math.random(0, 128), y= ppos.y + 16, z= ppos.z - 48 + math.random(0, 128)}
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local velo = {x = math.random() / 5 - 0.1, y = math.random() / 5 - 1.1, z = math.random() / 5 - 1.1}
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local acce = {x = math.random() / 50 - 0.01, y = math.random() / 50 - 0.01, z = math.random() / 50 - 0.01}
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minetest.add_particle(
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posi,
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velo,
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acce,
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32,
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2.8,
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false, "snowdrift_snowflake1.png", player:get_player_name())
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local posi = {x = ppos.x - 64 + math.random(0, 128), y= ppos.y + 16, z= ppos.z - 48 + math.random(0, 128)}
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local velo = {x = math.random() / 5 - 0.1, y = math.random() / 5 - 1.1, z = math.random() / 5 - 1.1}
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local acce = {x = math.random() / 50 - 0.01, y = math.random() / 50 - 0.01, z = math.random() / 50 - 0.01}
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minetest.add_particle(
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posi,
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velo,
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acce,
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32,
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2.8,
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false, "snowdrift_snowflake2.png", player:get_player_name())
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end
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end)
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DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
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Version 2, December 2004
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Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
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Everyone is permitted to copy and distribute verbatim or modified
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copies of this license document, and changing it is allowed as long
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as the name is changed.
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DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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0. You just DO WHAT THE FUCK YOU WANT TO.
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