2048 (ОАиП 2021) — различия между версиями

Код программы на языке JavaScript:

document.addEventListener('DOMContentLoaded', () =>  {
 const gridDisplay = document.querySelector('.grid')
 const scoreDisplay = document.getElementById('score')
 const resultDisplay = document.getElementById('result')
 var squares = []
 const width = 4
 var score = 0
 let isAbleToMove
 let yes
 let rowChecker = function(arr){
   let ar1 = []
   let k = 0
   for(let i = 0; i < 4; i++){
     for(let j = k; j < k+4;j++){
       if(j+1>=k+4) continue
       if(arr[j] != arr[j+1]) ar1.push(false)
     }
     k+=4
   }
   let n = 0
   ar1.forEach(elem => {
     if(elem!=true){
       n++
     }
   })
   if(n == 12){
     yes = 'lose'
     return true
   }else return false
 }
 let colChecker = function(arr){
 let ar1 = []
 let k = 0
 for(let i = 0; i < 4; i++){
   for(let j = k; j < k+12; j+=4){
     if(j+4>k+12) continue
     if(arr[j] !== arr[j+4]) ar1.push(false)
   }
   k+=1
 }
 let n = 0
 ar1.forEach(elem => {
   if(elem!=true){
     n++
   }
 })
 if(n == 12){
   yes = 'lose'
   return true
 }else return false

}

 //создание игровой доски
 function createBoard() {   
   for (var i=0; i < width*width; i++) {
     square = document.createElement('div')
     square.innerHTML = 0
     gridDisplay.appendChild(square)
     squares.push(square)
   }
   generate()
   generate()
 }
 createBoard()

 //генерация чисел
 function generate() {

   randomNumber = Math.floor(Math.random() * squares.length)
   if (squares[randomNumber].innerHTML == 0) {
     var random  = Math.random()
     if (random < 0.75) {
       squares[randomNumber].innerHTML = 2
     }
     else squares[randomNumber].innerHTML = 4
     checkForGameOver()
   } else generate()

 }

 // перемещение вправо
 function moveRight() {
   for (var i=0; i < width*width; i++) {
     if (i % 4 === 0) {
       var totalOne = squares[i].innerHTML
       var totalTwo = squares[i+1].innerHTML
       var totalThree = squares[i+2].innerHTML
       var totalFour = squares[i+3].innerHTML
       var row = [parseInt(totalOne), parseInt(totalTwo), parseInt(totalThree), parseInt(totalFour)]

       var filteredRow = row.filter(num => num)
       var missing = 4 - filteredRow.length
       var zeros = Array(missing).fill(0)
       var newRow = zeros.concat(filteredRow)

       squares[i].innerHTML = newRow[0]
       squares[i +1].innerHTML = newRow[1]
       squares[i +2].innerHTML = newRow[2]
       squares[i +3].innerHTML = newRow[3]
     }
   }
 }
 //перемещение влево
 function moveLeft() {
   for (let i=0; i < width*width; i++) {
     if (i % 4 === 0) {
       var totalOne = squares[i].innerHTML
       var totalTwo = squares[i+1].innerHTML
       var totalThree = squares[i+2].innerHTML
       var totalFour = squares[i+3].innerHTML
       var row = [parseInt(totalOne), parseInt(totalTwo), parseInt(totalThree), parseInt(totalFour)]

       var filteredRow = row.filter(num => num)
       var missing = 4 - filteredRow.length
       var zeros = Array(missing).fill(0)
       var newRow = filteredRow.concat(zeros)

       squares[i].innerHTML = newRow[0]
       squares[i +1].innerHTML = newRow[1]
       squares[i +2].innerHTML = newRow[2]
       squares[i +3].innerHTML = newRow[3]
     }
   }
 }

 //перемещение вверх
 function moveUp() {
   for (var i=0; i < width; i++) {
     var totalOne = squares[i].innerHTML
     var totalTwo = squares[i+width].innerHTML
     var totalThree = squares[i+(width*2)].innerHTML
     var totalFour = squares[i+(width*3)].innerHTML
     var column = [parseInt(totalOne), parseInt(totalTwo), parseInt(totalThree), parseInt(totalFour)]

     var filteredColumn = column.filter(num => num)
     var missing = 4 - filteredColumn.length
     var zeros = Array(missing).fill(0)
     var newColumn = filteredColumn.concat(zeros)

     squares[i].innerHTML = newColumn[0]
     squares[i +width].innerHTML = newColumn[1]
     squares[i+(width*2)].innerHTML = newColumn[2]
     squares[i+(width*3)].innerHTML = newColumn[3]
   }
 }
 //перемещение вниз
 function moveDown() {
   for (var i=0; i < width; i++) {
     var totalOne = squares[i].innerHTML
     var totalTwo = squares[i+width].innerHTML
     var totalThree = squares[i+(width*2)].innerHTML
     var totalFour = squares[i+(width*3)].innerHTML
     var column = [parseInt(totalOne), parseInt(totalTwo), parseInt(totalThree), parseInt(totalFour)]

     var filteredColumn = column.filter(num => num)
     var missing = 4 - filteredColumn.length
     var zeros = Array(missing).fill(0)
     var newColumn = zeros.concat(filteredColumn)

     squares[i].innerHTML = newColumn[0]
     squares[i +width].innerHTML = newColumn[1]
     squares[i+(width*2)].innerHTML = newColumn[2]
     squares[i+(width*3)].innerHTML = newColumn[3]
   }
 }
 // собрание строк
 function combineRow() {
   for (var i =0; i < 15; i++) {
     if (squares[i].innerHTML === squares[i + 1].innerHTML) {
      var combinedTotal = parseInt(squares[i].innerHTML) + parseInt(squares[i + 1].innerHTML)
       squares[i].innerHTML = combinedTotal
       squares[i +1].innerHTML = 0
       score += combinedTotal
       scoreDisplay.innerHTML = score
     }
   }
   checkForWin()
 }
 //собирание столбцов
 function combineColumn() {
   for (var i =0; i < 12; i++) {
     if (squares[i].innerHTML === squares[i + width].innerHTML) {
       var combinedTotal = parseInt(squares[i].innerHTML) + parseInt(squares[i + width].innerHTML)
       squares[i].innerHTML = combinedTotal
       squares[i + width].innerHTML = 0
       score += combinedTotal
       scoreDisplay.innerHTML = score
     }
   }
   checkForWin()
 }

 //функции для клавиш
 function control(e) {
   if(e.keyCode === 37) {
     isAbleToMove = false
     keyLeft()
   } else if (e.keyCode === 38) {
     isAbleToMove = false
     keyUp()
   } else if (e.keyCode === 39) {
     isAbleToMove = false
     keyRight()
   } else if (e.keyCode === 40) {
     isAbleToMove = false
     keyDown()
   }
 }
 document.addEventListener('keyup', control)

 //функции для клавиш 
 function keyRight() {
   moveRight()
   combineRow()
   moveRight()
   generate()
   checkForGameOver()
   isAbleToMove = true
 }

 function keyLeft() {
   moveLeft()
   combineRow()
   moveLeft()
   generate()
   checkForGameOver()
   isAbleToMove = true
 }

 function keyUp() {
   moveUp()
   combineColumn()
   moveUp()
   generate()
   checkForGameOver()
   isAbleToMove = true
 }

 function keyDown() {
   moveDown()
   combineColumn()
   moveDown()
   generate()
   checkForGameOver()
   isAbleToMove = true
 }

 //проверка наличия 2048 и победы
 function checkForWin() {
   for (var i=0; i < squares.length; i++) {
     if (squares[i].innerHTML == 2048) {
       resultDisplay.innerHTML = 'You WIN'
       document.removeEventListener('keyup', control)
       setTimeout(() => clear(), 3000)
     }
   }
 }

 function checkForGameOver() {
   var zeros = 0
   for (var i=0; i < width*width; i++) {
     if (squares[i].innerHTML == 0) {
       zeros++
     }
   }
   let temp = []
   for(let i = 0; i<16;i++){
     temp.push(parseInt(squares[i].innerHTML))
   }
   if(zeros===0){
     if(colChecker(temp)){
       if(rowChecker(temp)){
         resultDisplay.innerHTML = 'You lose'
         document.removeEventListener('keyup', control)
         setTimeout(() => clear(), 3000)
       }
     }  
   }
   
 }

 function clear() {
  clearInterval(myTimer)
 }

 //цвета
 function addColours() {
   for (var i=0; i < squares.length; i++) {
     if (squares[i].innerHTML == 0) squares[i].style.backgroundColor = '#ffffff'
     else if (squares[i].innerHTML == 2) squares[i].style.backgroundColor = '#6c9a8b'
     else if (squares[i].innerHTML  == 4) squares[i].style.backgroundColor = '#504B43' 
     else if (squares[i].innerHTML  == 8) squares[i].style.backgroundColor = '#b56576' 
     else if (squares[i].innerHTML  == 16) squares[i].style.backgroundColor = '#eed2cc' 
     else if (squares[i].innerHTML  == 32) squares[i].style.backgroundColor = '#6c698d' 
     else if (squares[i].innerHTML == 64) squares[i].style.backgroundColor = '#6a5d7b' 
     else if (squares[i].innerHTML == 128) squares[i].style.backgroundColor = '#5d4e6d' 
     else if (squares[i].innerHTML == 256) squares[i].style.backgroundColor = '#4f345a' 
     else if (squares[i].innerHTML == 512) squares[i].style.backgroundColor = '#571f4e' 
     else if (squares[i].innerHTML == 1024) squares[i].style.backgroundColor = '#3b1c32' 
     else if (squares[i].innerHTML == 2048) squares[i].style.backgroundColor = '#fcfc62' 
   }

} addColours()

var myTimer = setInterval(addColours, 50)

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