76 lines
2.1 KiB
JavaScript
76 lines
2.1 KiB
JavaScript
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let testBoard = [
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[ '_', '_', '_', '_', '_', '_', '_' ],
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[ '_', '_', '_', '_', '_', '_', '_' ],
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[ '_', '_', '_', 'r', 'r', 'r', '' ],
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[ '_', '_', '_', 'r', 'r', 'b', 'b' ],
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[ '_', '_', 'r', 'b', 'r', '', 'b' ],
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[ 'b', 'r', 'b', 'r', 'r', 'b', 'r' ]
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]
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let checkLine = function (color, board, y, x, length){
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if (length === 4){
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return true;
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} else if(y === board.length || x === board[1].length){
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return false
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}
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else if(board[y][x+1] === color){
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return checkLine(color, board,y, x+1, length + 1)
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} else {
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return false;
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}
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}
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let checkDownRight = function (color,board, y, x, length){
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if (length === 4){
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return true;
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} else if((y + 1) === board.length || (x + 1) === board[1].length){
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return false
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}
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else if(board[y+1][x+1] === color){
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return checkDownRight(color,board,y + 1, x + 1, length + 1)
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} else {
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return false;
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}
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}
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let checkDownLeft = function (color,board, y, x, length){
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if (length === 4){
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return true;
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} else if((y + 1) === board.length || (x - 1)< 0){
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return false
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}
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else if(board[y+1][x-1] === color){
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return checkDownLeft(color,board,y + 1, x - 1, length + 1)
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} else {
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return false;
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}
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}
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let checkDown = function (color,board, y, x, length){
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if (length === 4){
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return true;
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} else if((y + 1)=== board.length){
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return false
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}
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else if(board[y + 1][x] === color){
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return checkDown(color,board,y + 1, x, length + 1)
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} else {
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return false;
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}
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}
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let connect4Winner = function (color, board) {
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for(let y = 0; y < board.length; y++){
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for(let x = 0; x < board[y].length; x++){
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if(board[y][x] === color){
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if (checkLine(color,board,y,x,1) || checkDown(color,board,y,x,1) || checkDownRight(color,board,y,x,1) || checkDownLeft(color,board,y,x,1)){
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console.log('win')
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return true;
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}
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}
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}
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}
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return false;
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}
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console.log(connect4Winner('r', testBoard))
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