paramat/intersecting
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Fix boolean error. Faster code. Persist 0.5

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Mat 2014-06-16 02:45:53 +01:00
parent 98bba5468a
commit 0eb26c263a
2 changed files with 17 additions and 19 deletions
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2
README.txt
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@ -1,4 +1,4 @@
intersection 0.1.0 by paramat intersecting 0.1.1 by paramat
For latest stable Minetest back to 0.4.8 For latest stable Minetest back to 0.4.8
Depends default Depends default
Licenses: code WTFPL Licenses: code WTFPL

34
init.lua
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@ -1,16 +1,13 @@
-- intersecting 0.1.0 by paramat -- intersecting 0.1.1 by paramat
-- For latest stable Minetest and back to 0.4.8 -- For latest stable Minetest and back to 0.4.8
-- Depends default -- Depends default
-- License: code WTFPL -- License: code WTFPL
-- TODO
-- enables 1-3 fissures, isolated tunnels and intersecting tunnels, also isolated tunnel plus 1 fissure
-- Parameters -- Parameters
local TFIS = 0.02 local TFIS = 0.02 -- fissure and tunnel width
-- 3D noise for -- 3D noise for fissure a
local np_weba = { local np_weba = {
offset = 0, offset = 0,
@ -18,10 +15,10 @@ local np_weba = {
spread = {x=192, y=192, z=192}, spread = {x=192, y=192, z=192},
seed = 5900033, seed = 5900033,
octaves = 3, octaves = 3,
persist = 0.6 persist = 0.5
} }
-- 3D noise for -- 3D noise for fissure b
local np_webb = { local np_webb = {
offset = 0, offset = 0,
@ -29,10 +26,10 @@ local np_webb = {
spread = {x=191, y=191, z=191}, spread = {x=191, y=191, z=191},
seed = 33, seed = 33,
octaves = 3, octaves = 3,
persist = 0.6 persist = 0.5
} }
-- 3D noise for -- 3D noise for fissure c
local np_webc = { local np_webc = {
offset = 0, offset = 0,
@ -40,7 +37,7 @@ local np_webc = {
spread = {x=190, y=190, z=190}, spread = {x=190, y=190, z=190},
seed = -18000001, seed = -18000001,
octaves = 3, octaves = 3,
persist = 0.6 persist = 0.5
} }
-- Stuff -- Stuff
@ -69,11 +66,11 @@ minetest.register_on_generated(function(minp, maxp, seed)
local data = vm:get_data() local data = vm:get_data()
local c_air = minetest.get_content_id("air") local c_air = minetest.get_content_id("air")
local c_water = minetest.get_content_id("default:water_source")
local sidelen = x1 - x0 + 1 local sidelen = x1 - x0 + 1
local chulens = {x=sidelen, y=sidelen, z=sidelen} local chulens = {x=sidelen, y=sidelen, z=sidelen}
local minposxyz = {x=x0, y=y0, z=z0} local minposxyz = {x=x0, y=y0, z=z0}
local minposxz = {x=x0, y=z0}
local nvals_weba = minetest.get_perlin_map(np_weba, chulens):get3dMap_flat(minposxyz) local nvals_weba = minetest.get_perlin_map(np_weba, chulens):get3dMap_flat(minposxyz)
local nvals_webb = minetest.get_perlin_map(np_webb, chulens):get3dMap_flat(minposxyz) local nvals_webb = minetest.get_perlin_map(np_webb, chulens):get3dMap_flat(minposxyz)
@ -85,12 +82,13 @@ minetest.register_on_generated(function(minp, maxp, seed)
local vi = area:index(x0, y, z) local vi = area:index(x0, y, z)
for x = x0, x1 do -- for each node do for x = x0, x1 do -- for each node do
local nodid = data[vi] local nodid = data[vi]
local weba = math.abs(nvals_weba[nixyz]) < TFIS if nodid ~= c_water and nodid ~= c_air then
local webb = math.abs(nvals_webb[nixyz]) < TFIS local weba = math.abs(nvals_weba[nixyz]) < TFIS
local webc = math.abs(nvals_webc[nixyz]) < TFIS local webb = math.abs(nvals_webb[nixyz]) < TFIS
if (weba and webb) or (weba and webc) local webc = math.abs(nvals_webc[nixyz]) < TFIS
and nodid ~= c_water then if (weba and webb) or (weba and webc) then
data[vi] = c_air data[vi] = c_air
end
end end
nixyz = nixyz + 1 nixyz = nixyz + 1
vi = vi + 1 vi = vi + 1