lua+love2d制作的2048游戏
2014年11月30日
作者：hebedich
使用lua和love2d编写的pc版2048游戏，适用于linux和windows平台。依赖love2d游戏引擎，love2d需0.9及以上版本。
core.lua
core = {}
core.block = {}
core.score = 0
core.best = 0
love.filesystem.setIdentity("2048")
local function get_best()
if not love.filesystem.exists("best") then
core.best = 0
return
end
core.best = love.filesystem.read("best")
core.best = tonumber(core.best)
end
function core.initial()
core.block = {}
local pos1 = love.math.random(1, 16)
local pos2
while true do
pos2 = love.math.random(1, 16)
if pos2 ~= pos1 then break end
end
local val
val = love.math.random()
if val < 0.8 then val = 2 else val = 4 end
core.block[pos1] = val
val = love.math.random()
if val < 0.8 then val = 2 else val = 4 end
core.block[pos2] = val
core.score = 0
end
function core.set_best()
if core.score > core.best then
core.best = core.score
local ret, err = love.filesystem.write("best", core.best)
end
end
function core.tblclone(t1, num)
local t2 = {}
for i = 1, num do
t2[i] = t1[i]
end
return t2
end
function core.isfull(testtbl)
local block
if testtbl then block = testtbl else block = core.block end
for i = 1, 16 do
if not block[i] then return false end
end
return true
end
local function combine(lstart, lend, lstep, rstart, rend, rstep, flag, testtbl)
local index
local tflag, block
if testtbl then
tflag = true
block = testtbl
else
block = core.block
end
local cflag = false
for i = lstart, lend, lstep do
for j = rstart, rend, rstep do
if flag == "up" then index = (i - 1) * 4 + j
elseif flag == "down" then index = (i + 1) * 4 + j
elseif flag == "left" then index = i * 4 + j - 1
else index = i * 4 + j + 1 end
if block[index] and block[i * 4 + j] and
block[index] == block[i * 4 + j] and
block[index] < 2048 then
cflag = true
if tflag then return cflag end
block[index] = 2 * block[i * 4 + j]
block[i * 4 + j] = nil
core.score = core.score + block[index]
end
end
end
return cflag
end
local function move(lstart, lend, lstep, rstart, rend, rstep, flag)
local mflag = false
local index, kstart, kend, kstep
for i = lstart, lend, lstep do
for j = rstart, rend, rstep do
if flag == "up" then
kstart = 0
kend = i - 1
kstep = 1
elseif flag == "down" then
kstart = 3
kend = i + 1
kstep = -1
elseif flag == "left" then
kstart = 1
kend = j - 1
kstep = 1
else
kstart = 4
kend = j + 1
kstep = -1
end
for k = kstart, kend, kstep do
if flag == "up" or flag == "down" then index = k * 4 + j
else index = i * 4 + k end
if not core.block[index] and core.block[i * 4 + j] then
core.block[index] = core.block[i * 4 + j]
core.block[i * 4 + j] = nil
mflag = true
break
end
end
end
end
return mflag
end
local function do_tsk(lstart, lend, lstep, rstart, rend, rstep, flag, testtbl)
if testtbl then return combine(lstart, lend, lstep, rstart, rend, rstep, flag, testtbl) end
local mret = move(lstart, lend, lstep, rstart, rend, rstep, flag)
local cret = combine(lstart, lend, lstep, rstart, rend, rstep, flag)
if not mret and not cret then return false end
core.score = core.score + 1
move(lstart, lend, lstep, rstart, rend, rstep, flag)
return true
end
function core.up_move(testtbl)
return do_tsk(1, 3, 1, 1, 4, 1, "up", testtbl)
end
function core.down_move(testtbl)
return do_tsk(2, 0, -1, 1, 4, 1,"down", testtbl)
end
function core.left_move(testtbl)
return do_tsk(0, 3, 1, 2, 4, 1, "left", testtbl)
end
function core.right_move(testtbl)
return do_tsk(0, 3, 1, 3, 1, -1, "right", testtbl)
end
function core.new_block()
local val = love.math.random()
if val < 0.8 then val = 2 else val = 4 end
local empty_tbl = {}
for i = 1, 16 do
if not core.block[i] then
table.insert(empty_tbl, i)
end
end
if #empty_tbl == 1 then
return {index = empty_tbl[1], value = val}
end
local pos = love.math.random(1, #empty_tbl)
return {index = empty_tbl[pos], value = val}
end
get_best()
return core
main.lua
local core = require("core")
local block_pic = {}
local bk
local over_flag = false
local new_block = {flag = false}
local wH --window height
local wW --window weight
local bW --block width
local startpos = {}
local delay = 0
function love.load()
love.window.setFullscreen()
wH = love.window.getHeight()
wW = love.window.getWidth()
bW = 0.8 * wH / 4
bk = love.graphics.newImage("src/bk.jpg")
for i = 1, 11 do
block_pic[tostring(math.pow(2,i))] = love.graphics.newImage("src/"..tostring(math.pow(2,i))..".PNG")
end
love.graphics.setBackgroundColor(255, 255, 255)
love.graphics.setNewFont(24)
love.graphics.setColor(255, 255, 255)
core.initial()
end
local function draw_block(index, value)
local line = math.modf((index - 1)/4)
local row = (index - 1) % 4
local pic_index = tostring(value)
love.graphics.draw(block_pic[pic_index], 0.1 * wH + row * bW, 0.1 * wH + line * bW, 0, bW/block_pic[pic_index]:getWidth(), bW/block_pic[pic_index]:getHeight())
end
function love.draw()
local scorestr = "SCORE:n"..core.score.."nBEST:n"..core.best
love.graphics.draw(bk, 0, 0, 0, wW/bk:getWidth(), wH/bk:getHeight())
love.graphics.setColor(255, 255, 255)
love.graphics.rectangle("line", 0.1 * wH, 0.1 * wH, 0.8 * wH, 0.8 * wH)
for i = 1, 16 do
if core.block[i] then
draw_block(i, core.block[i])
end
end
if new_block.flag then
if delay < 10 then delay = delay + 1
else
draw_block(new_block.index, new_block.value)
core.block[new_block.index] = new_block.value
new_block.flag = false
delay = 0
end
end
love.graphics.print(scorestr, wH, wH * 0.1)
if over_flag then
love.graphics.setColor(0, 0, 255)
love.graphics.rectangle("fill", 0.25 * wW, 0.25 * wH, 0.5 * wW, 0.5 * wH)
love.graphics.setColor(255,255,255)
love.graphics.print(scorestr, 0.45 * wW, 0.45 * wH)
end
end
function love.mousepressed(x, y, button)
if button == 'l' then
startpos.x = x
startpos.y = y
end
end
function love.mousereleased(x, y, button)
if button == 'l' then
if over_flag then
over_flag = false
core.initial()
return
end
local x_dis = x - startpos.x
local y_dis = y - startpos.y
local ret
if y_dis < 0 and math.abs(y_dis) > math.abs(x_dis) then
ret = core.up_move()
elseif y_dis > 0 and math.abs(y_dis) > math.abs(x_dis) then
ret = core.down_move()
elseif x_dis < 0 and math.abs(x_dis) > math.abs(y_dis) then
ret = core.left_move()
elseif x_dis > 0 and math.abs(x_dis) > math.abs(y_dis) then
ret = core.right_move()
end
if not ret then return end
new_block = core.new_block()
if not new_block then return end
new_block.flag = true
local testtbl = core.tblclone(core.block, 16)
testtbl[new_block.index] = new_block.value
if core.isfull(testtbl) then
if core.up_move(testtbl) or core.down_move(testtbl) or core.left_move(testtbl) or core.right_move(testtbl) then
return
end
core.set_best()
over_flag = true
end
end
end
以上便是本文的全部内容了，希望大家能够喜欢。也希望通过这几个2048小游戏的代码，能给到大家一些帮助
