69 lines
1.7 KiB
Lua
69 lines
1.7 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
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local math, minetest, nodecore, pairs, vector
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= math, minetest, nodecore, pairs, vector
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local math_exp, math_random
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= math.exp, math.random
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-- LUALOCALS > ---------------------------------------------------------
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nodecore.amcoremod()
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local function dsqr(a, b)
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local v = vector.subtract(a, b)
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return vector.dot(v, v)
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end
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local function check(pos, done, srcs)
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local sp = {
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x = pos.x + math_random() * 64 - 32,
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y = pos.y + math_random() * 64 - 32,
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z = pos.z + math_random() * 64 - 32,
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}
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if dsqr(sp, pos) > (32 * 32) then return end
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for p in pairs(done) do
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if dsqr(sp, p) < (32 * 32) then return end
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end
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for p in pairs(srcs) do
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if dsqr(sp, p) < (4 * 4) then return end
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end
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if minetest.get_node(sp).name ~= "air" then return end
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if nodecore.is_full_sun(sp) then
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if sp.y <= 0 then return end
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nodecore.sound_play("nc_envsound_air", {
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pos = sp,
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gain = nodecore.windiness(sp.y) / 100
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})
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elseif nodecore.get_node_light(sp) < 4 then
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nodecore.sound_play("nc_envsound_drip", {
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pos = sp,
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pitchvary = 0.4,
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gain = math_exp(math_random()) / 5
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})
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end
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done[pos] = true
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end
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local oldpos = {}
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local function run()
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minetest.after(math_random(), run)
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local srcs = {}
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for _, pl in pairs(minetest.get_connected_players()) do
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if nodecore.player_visible(pl) then
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local pname = pl:get_player_name()
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local pos = pl:get_pos()
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local op = oldpos[pname] or pos
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oldpos[pname] = pos
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pos = vector.add(pos, vector.multiply(vector.subtract(pos, op), 3))
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srcs[#srcs + 1] = pos
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end
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end
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local done = {}
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for _, pos in pairs(srcs) do
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check(pos, done, srcs)
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end
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end
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run()
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