随机表Corona SDK/Lua

Question

任何人都可以帮助我随机填充N值的表，其中值为1，...，M允许不重复吗？

干杯。

Answer 1

local M, N, tNonFinal, tFinal = 500, 20, {}, {} 

math.randomseed(os.time()) 

for i = 1, N, 1 do 
    local iRandom = math.random(1, M) 
    while tNonFinal[iRandom] do 
     iRandom = math.random(1, M) 
    end 
    table.insert(tNonFinal, iRandom, true) 
    tFinal[i] = iRandom 
end 

你所需的表会tFinal。您还可以添加一个条件，其中if M < N then N = M end

Answer 2

这可能会帮助你...

local myArray = {} 
local valueArray = {1,2,3,4,5,6,7,8,9,10} -- let it be the array with values 1,2...M 

local index = 0 
local isFetched = {} 
for i=1,#valueArray do 
    isFetched[i] = 0 
end 

local randomValue = 0 
local function addTomyArray() 
    randomValue = math.random(#valueArray) 
    if(isFetched[randomValue]==0)then 
    index = index + 1 
    isFetched[randomValue] = 1 
    myArray[index] = valueArray[randomValue] 
    if(index==#valueArray)then 
     for i=1,#myArray do 
      print(myArray[i]) -- result : shuffled array 
     end 
    end 
    else 
    addTomyArray() 
    end 
end 
timer.performWithDelay(0,addTomyArray,#valueArray) -- #valueArray 

保持编码........