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let height = 10
let width = 10
let mine_rate = 0.10
let timer = undefined
let mines = []
let visited = []
let running = false
function isValidPos(y, x) {
return y >= 0 && y < height && x >= 0 && x < width
}
function* neighboursGenerator(y, x) {
for (let i = -1; i <= 1; i++) {
for (let j = -1; j <= 1; j++) {
if (i === 0 && j === 0)
continue
let ret = [y + i, x + j]
if (!isValidPos(...ret))
continue
yield ret
}
}
}
let cells = []
function floodFill(y, x) {
visited[y][x] = true
let cell = cells[y][x]
cell.classList.add("visited")
if (mines[y][x] !== 0)
cell.textContent = mines[y][x]
switch (mines[y][x]) {
case 1: cell.style.color = "blue"; break
case 2: cell.style.color = "green"; break
case 3: cell.style.color = "red"; break
case 4: cell.style.color = "darkblue"; break
case 5: cell.style.color = "brown"; break
case 6: cell.style.color = "cyan"; break
case 7: cell.style.color = "black"; break
case 8: cell.style.color = "grey"; break
}
if (mines[y][x] !== 0)
return
for (let [ny, nx] of neighboursGenerator(y, x))
if (!visited[ny][nx])
floodFill(ny, nx)
}
function initGrid() {
let table = document.getElementById("minesweeper-table")
table.innerHTML = ""
width = document.getElementById("minesweeper-width").value
height = document.getElementById("minesweeper-height").value
mine_rate = document.getElementById("minesweeper-mine-rate").value / 100
mines = []
visited = []
cells = []
for (let i = 0; i < height; i++) {
mines.push(new Array(width))
visited.push(new Array(width))
for (let j = 0; j < width; j++) {
mines[i][j] = Math.random() < mine_rate ? -1 : 0;
visited[i][j] = false;
}
}
// count neighbour mines
for (let i = 0; i < height; i++) {
for (let j = 0; j < width; j++) {
if (mines[i][j] === -1)
continue
mines[i][j] =
[...neighboursGenerator(i, j)]
.filter(([y, x]) => mines[y][x] === -1)
.length
}
}
for (let i = 0; i < height; i++) {
cells.push([])
let table_row = document.createElement("tr")
for (let j = 0; j < width; j++) {
let table_cell = document.createElement("td")
let cell = document.createElement("button")
cell.textContent = ""
cell.addEventListener("click", () => floodFill(i, j))
cells[i].push(cell)
table_cell.appendChild(cell)
table_row.appendChild(table_cell)
}
table.appendChild(table_row)
}
}
for (input of document.querySelectorAll("#minesweeper-settings input")) {
input.addEventListener("input", () => initGrid())
}
function toggleRunning() {
running = !running
settings = document.getElementById("minesweeper-settings")
info = document.getElementById("minesweeper-game-info")
settings.hidden = !settings.hidden
info.hidden = !info.hidden
// if (timer === undefined) {
// }
}
document.getElementById("minesweeper-start").addEventListener("click", toggleRunning)
document.getElementById("minesweeper-stop") .addEventListener("click", toggleRunning)
initGrid()
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