first version tictactoe V0.1 b00tc4mp#10

staff/jorge-lara/playground/tictactoe/tictactoe.js

@@ -0,0 +1,161 @@
+let cells = [[], [], []]
+let table = '';
+
+//This values count if there are 3 signs in the same direction
+let contx = 0;
+let conto = 0;
+
+let won = false;
+//This value functions as a switch, indicating whose turn it is.
+let isplayerx = false;
+
+for (let i = 0; i < cells.length; i++) {
+    for (let k = 0; k < cells.length; k++) {
+        cells[i][k] = '_'
+    }
+}
+
+//Print the table with the moves done
+function printTable() {
+    console.clear();
+    table = '';
+    for (let i = 0; i < cells.length; i++) {
+
+        for (let k = 0; k < 3; k++) {
+            table += cells[i][k] + ' '
+        }
+        table += '\n'
+
+    }
+    console.log(table);
+}
+
+//Write the symbols into the table
+function placeMove() {
+    let col = Number(playermove.charAt(0));
+    let row = Number(playermove.charAt(1));
+    if (cells[col - 1][row - 1] == '_') {
+        cells[col - 1][row - 1] = (isplayerx) ? 'X' : 'O'
+        printTable();
+    } else {
+        isplayerx ? askPlayerX() : askPlayerO();
+    }
+
+}
+
+//Ask the player X to promt a value
+function askPlayerX() {
+    if (!won) {
+        playermove = prompt('Player X: Enter Column and row (Ex. 11 or 23)');
+        isplayerx = true;
+        placeMove();
+        checkWin();
+    }
+}
+//Ask the player O to promt a value
+function askPlayerO() {
+    if (!won) {
+        playermove = prompt('Player O: Enter Column and row (Ex. 11 or 23)');
+        isplayerx = false;
+        placeMove();
+        checkWin();
+    }
+
+}
+
+//Checking if there are 3 equal symbols and calling functions that check for each possibility
+function checkWin() {
+    return won = (checkRows() == true) ? true : (checkColumns() == true) ? true : (checkDiagonals() == true) ? true : false;
+}
+
+//Checking the rows
+function checkRows() {
+    for (let i = 0; i < cells.length && won == false; i++) {
+        for (let k = 0; k < 3; k++) {
+            if (cells[i][k] == 'X') {
+                contx++;
+            } else if (cells[i][k] == 'O') {
+                conto++;
+            }
+        }
+        if (contx == 3 || conto == 3) {
+            won = true;
+        } else {
+            contx = 0;
+            conto = 0;
+        }
+    }
+
+    return won;
+}
+
+//Checking the columns
+function checkColumns() {
+    for (let i = 0; i < cells.length; i++) {
+        for (let k = 0; k < 3; k++) {
+            if (cells[k][i] == 'X') {
+                contx++;
+            } else if (cells[k][i] == 'O') {
+                conto++;
+            }
+        }
+        if (contx == 3 || conto == 3) {
+            won = true;
+        } else {
+            contx = 0;
+            conto = 0;
+        }
+    }
+
+    return won;
+}
+
+//Checking the diagonals
+function checkDiagonals() {
+
+    for (let k = 0; k < cells.length; k++) {
+        if (cells[k][k] == 'X') {
+            contx++;
+        } else if (cells[k][k] == 'O') {
+            conto++;
+        }
+    }
+    if (contx == 3 || conto == 3) {
+        won = true;
+    } else {
+        contx = 0;
+        conto = 0;
+        let aux = 2;
+        for (let i = 0; i < cells.length; i++) {
+            if (cells[i][aux] == 'X') {
+                contx++;
+            } else if (cells[i][aux] == 'O') {
+                conto++;
+            }
+            aux--
+        }
+
+        if (contx == 3 || conto == 3) {
+            won = true;
+        } else {
+            contx = 0;
+            conto = 0;
+        }
+    }
+    return won;
+}
+
+function coreGame() {
+    let turns = 9
+    do {
+        askPlayerX();
+        turns--;
+        //This if is needed because player O has less movement than player X
+        if (turns != 0) {
+            askPlayerO();
+            turns--;
+        }
+    } while (won == false && turns != 0)return console.log((contx == 3) ? 'X won' : (conto == 3) ? 'O won' : 'Draw')
+}
+
+coreGame();