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14 changes: 12 additions & 2 deletions cross.js
Original file line number Diff line number Diff line change
Expand Up @@ -536,14 +536,24 @@ function updateLabelsAndClues() {
let count = 1;
for (let i = 0; i < xw.rows; i++) {
for (let j = 0; j < xw.cols; j++) {

let isAcross = false;
let isDown = false;

if (xw.fill[i][j] != BLACK) {
isDown = i == 0 || xw.fill[i - 1][j] == BLACK;
isAcross = j == 0 || xw.fill[i][j - 1] == BLACK;
if (i == xw.rows - 1) {
isAcross = j == 0 || xw.fill[i][j - 1] == BLACK;
} else if (j == xw.cols - 1) {
isDown = i == 0 || xw.fill[i - 1][j] == BLACK;
} else {
isDown = (i == 0 || xw.fill[i - 1][j] == BLACK) && xw.fill[i + 1][j] != BLACK;
isAcross = (j == 0 || xw.fill[i][j - 1] == BLACK) && xw.fill[i][j + 1] != BLACK;
}
}

const grid = document.getElementById("grid");
let currentCell = grid.querySelector('[data-row="' + i + '"]').querySelector('[data-col="' + j + '"]');

if (isAcross || isDown) {
currentCell.firstChild.innerHTML = count; // Set square's label to the count
count++;
Expand Down