nodecore-skyblock/mods/nc_lux/cherenkov.lua

48 lines
1.4 KiB
Lua

-- LUALOCALS < ---------------------------------------------------------
local math, minetest, nodecore, pairs, vector
= math, minetest, nodecore, pairs, vector
local math_floor, math_random
= math.floor, math.random
-- LUALOCALS > ---------------------------------------------------------
local modname = minetest.get_current_modname()
local function check(pos, player)
local p = player:get_pos();
p = {
x = p.x + math_random() * 8 - 4,
y = p.y + math_random() * 8 - 4,
z = p.z + math_random() * 8 - 4,
}
local light = minetest.get_node_light(p)
if (not light) or (light >= 4) then return end
local rel = vector.subtract(p, pos)
local dsqr = rel.x * rel.x + rel.y * rel.y + rel.z * rel.z
if math_random() * 512 < dsqr then return end
minetest.add_particlespawner({
amount = math_floor(math_random() * 5) + 1,
time = 0.1,
minpos = p,
maxpos = p,
minvel = vector.multiply(vector.normalize(rel), 4),
maxvel = vector.multiply(vector.normalize(rel), 8),
texture = modname .. "_base.png^[mask:" .. modname .. "_mask.png^[opacity:32",
minexptime = 0.05,
maxexptime = 0.25,
playername = player:get_player_name(),
glow = 1
})
end
nodecore.register_limited_abm({
label = "Lux Reaction",
interval = 1,
chance = 2,
nodenames = {"group:lux_emit"},
action = function(pos)
for _, player in pairs(minetest.get_connected_players()) do
check(pos, player)
end
end
})