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random-stuff/computercraft/holo-3dplot.lua

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2023-11-13 19:37:05 +00:00
local holos = {"9631", "86dd", "2d4c", "6701"}
local colors = {0xFF0000, 0x00FF00, 0x0000FF}
local names = peripheral.getNames()
for i, holo in pairs(holos) do
for _, name in pairs(names) do
if name:match("^" .. holo) then
holo = peripheral.wrap(name)
break
end
end
holos[i] = holo
holo.setScale(1/3)
holo.setTranslation(0, 1, 0)
for i, col in pairs(colors) do
holo.setPaletteColor(i, col)
end
end
local gsize = math.sqrt(#holos)
assert(gsize == math.floor(gsize))
local W = 48
local H = 32
local half_H = H / 2
local function generate_strings(fn, base_x, base_z)
local base_x = (base_x / gsize) * 2 - 1
local base_z = (base_z / gsize) * 2 - 1
print(base_x, base_z)
local out = {}
for x = 0, W - 1 do
for z = 0, W - 1 do
for y = 0, H - 1 do
local lx, ly, lz = base_x + x / W, y / half_H - 1, base_z + z / W
table.insert(out, fn(lx, ly, lz) and "\1" or "\0")
end
end
end
return out
end
local function fn(x, y, z)
--return bit.bxor(x*48, y*48, z*48) == 24
return math.sin(x-y*z)>0
end
while true do
for i, holo in pairs(holos) do
local o = i - 1
local x, z = o % gsize, math.floor(o / gsize)
print(i, x, z)
local gs = table.concat(generate_strings(fn, x, z))
holo.setRaw(gs)
end
break
end