Re: pack/unpack pos to binary
function packpos(x, y, z)
x = 819200+math.floor(x*100) -- -8192 - 8192 3 byte
y = 819200+math.floor(y*100)
z = math.floor(1300*65535/(z+100)) -- -100 - 1200 2 byte
return string.byte(
x, BitExtract(x, 8, 8), BitExtract(x, 16, 8),
y, BitExtract(y, 8, 8), BitExtract(x, 16, 8),
z, BitExtract(z, 8, 8))
end
function unpackpos(string, startindex)
local x1, x2, x3, y1, y2, y3, z1, z2 = string:byte(startindex, startindex + 7)
return ((x1 + x2*256 + x3*65536) - 819200)/100,
((y1 + y2*256 + y3*65536) - 819200)/100,
(z1 + z2*256)/65535*1300 - 100
end
Replies to Re: pack/unpack pos to binary 
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