the same minesonar.bas micro game in LUA

minesonar.lua

-- minesonar.bas in Lua (aka first Lua test, v2)

r, x, y = 0, math.random(8), math.random(8)

print "There is a mine hidden in an 8x8 field"

repeat

  r = r + 1
  
  io.write "Enter x,y coords:"
  local ln = io.read "*line"
  
  local s = {}
  local i = 1

  for coord in string.gmatch(ln, "%d") do 
    s[i] = tonumber(coord)
	i = i + 1
	if i == 3 then break end 
  end

  if s[1] == nil or s[2] == nil then
    print "try '5,5' or similar; using those for now"
    s = {5, 5}
  end

  local d = math.sqrt((x-s[1])^2+(y-s[2])^2)

  print ("dist:" ..d);
  
until d < 0.1 

print ("Done in " ..r.. " rounds!")

if r < 4 then print "Wow! That was quick!" end