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Ensure GPS coordinates are numbers

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Fixes #138
This commit is contained in:
SquidDev 2017-05-03 16:30:22 +01:00
parent 58e6e9ea46
commit 7e5970673f
2 changed files with 4 additions and 4 deletions
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2
src/main/resources/assets/computercraft/lua/rom/apis/gps
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@ -103,7 +103,7 @@ function locate( _nTimeout, _bDebug )
local sSide, sChannel, sReplyChannel, tMessage, nDistance = p1, p2, p3, p4, p5
if sSide == sModemSide and sChannel == os.getComputerID() and sReplyChannel == CHANNEL_GPS and nDistance then
-- Received the correct message from the correct modem: use it to determine position
if type(tMessage) == "table" and #tMessage == 3 then
if type(tMessage) == "table" and #tMessage == 3 and type(tMessage[1]) == "number" and type(tMessage[2]) == "number" and type(tMessage[3]) == "number" then
local tFix = { vPosition = vector.new( tMessage[1], tMessage[2], tMessage[3] ), nDistance = nDistance }
if _bDebug then
print( tFix.nDistance.." metres from "..tostring( tFix.vPosition ) )

6
src/main/resources/assets/computercraft/lua/rom/apis/vector
View File

@ -76,9 +76,9 @@ local vmetatable = {
function new( x, y, z )
local v = {
x = x or 0,
y = y or 0,
z = z or 0
x = type(x) == "number" and x or 0,
y = type(y) == "number" and y or 0,
z = type(z) == "number" and z or 0
}
setmetatable( v, vmetatable )
return v