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perlin = dofile(minetest.get_modpath("perlin") .. "/perlin.lua")
local start, height, stretch
minetest.register_chatcommand("perlin", {
description = "Start perlin terraforming",
param = "<height> <stretch>",
func = function(param)
local sparam = param:split(" ")
start, height, stretch = math.floor(minetest.localplayer:get_pos().y), sparam[1], sparam[2]
end
})
minetest.register_chatcommand("perlinstop", {
description = "Abort perlin terraforming",
func = function(param)
start, height, stretch = nil
end
})
minetest.register_globalstep(function()
if start then
local player = minetest.localplayer
local pos = vector.floor(player:get_pos())
for x = pos.x - 1, pos.x + 1 do
for z = pos.z - 1, pos.z + 1 do
local y = math.floor(start + height * perlin:noise(x / stretch, z / stretch))
local p = vector.new(x, y, z)
minetest.place_node(p)
end
end
end
end)
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