Free Code for mine sweeper

SUBMITTED BY: koreatea123

DATE: Dec. 27, 2018, 1:28 a.m.

FORMAT: Text only

SIZE: 5.0 kB

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HITS: 174

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  1. <html>
  2. <body oncontextmenu='return false;' >
  3. <br><br><br>
  4. <label id='status'></label>
  6. <script>
  7. const rows = 4;
  8. const columns = 20;
  9. let mines, remaining, revealed;
  10. let status = document.getElementById('status');
  11. status.addEventListener('click', init)
  13. let board = new Array(rows);
  14. let picture = new Array(rows);
  15. let tile = new Array(rows);
  16. for (let i = 0; i < board.length; i++) {
  17. board[i] = new Array(columns);
  18. picture[i] = new Array(columns);
  19. tile[i] = new Array(columns)
  20. }
  22. init();
  24. function check(row, column) {
  25. if (column >= 0 && row >= 0 && column < columns && row < rows)
  26. return board[row][column];
  27. }
  29. function init() {
  30. mines = 5;
  31. remaining = mines;
  32. revealed = 0;
  33. status.innerHTML = ('Click on the tiles to reveal them');
  34. for (let row = 0; row < rows; row++)
  35. for (let column = 0; column < columns; column++) {
  36. let index = row * columns + column;
  37. tile[row][column] = document.createElement('img');
  38. tile[row][column].src = 'hidden.png';
  39. tile[row][column].style = 'position:absolute;height:30px; width: 30px';
  40. tile[row][column].style.top = 150 + row * 30;
  41. tile[row][column].style.left = 50 + column * 30;
  42. tile[row][column].addEventListener('mousedown', click);
  43. tile[row][column].id = index;
  44. document.body.appendChild(tile[row][column]);
  45. picture[row][column] = 'hidden';
  46. board[row][column] = '';
  47. }
  49. let placed = 0;
  50. do {
  51. let column = Math.floor(Math.random() * columns);
  52. let row = Math.floor(Math.random() * rows);
  54. if (board[row][column] != 'mine') {
  55. board[row][column] = 'mine';
  56. placed++;
  57. }
  58. } while (placed < mines);
  60. for (let column = 0; column < columns; column++)
  61. for (let row = 0; row < rows; row++) {
  62. if (check(row, column) != 'mine') {
  63. board[row][column] =
  64. ((check(row + 1, column) == 'mine') | 0) +
  65. ((check(row + 1, column - 1) == 'mine') | 0) +
  66. ((check(row + 1, column + 1) == 'mine') | 0) +
  67. ((check(row - 1, column) == 'mine') | 0) +
  68. ((check(row - 1, column - 1) == 'mine') | 0) +
  69. ((check(row - 1, column + 1) == 'mine') | 0) +
  70. ((check(row, column - 1) == 'mine') | 0) +
  71. ((check(row, column + 1) == 'mine') | 0);
  72. }
  73. }
  74. }
  76. function click(event) {
  77. let source = event.target;
  78. let id = source.id;
  79. let row = Math.floor(id / columns);
  80. let column = id % columns;
  82. if (event.which == 3) {
  83. switch (picture[row][column]) {
  84. case 'hidden':
  85. tile[row][column].src = 'flag.png';
  86. remaining--;
  87. picture[row][column] = 'flag';
  88. break;
  89. case 'flag':
  90. tile[row][column].src = 'question.png';
  91. remaining++;
  92. picture[row][column] = 'question';
  93. break;
  94. case 'question':
  95. tile[row][column].src = 'hidden.png';
  96. picture[row][column] = 'hidden';
  97. break;
  98. }
  99. event.preventDefault();
  100. }
  101. status.innerHTML = 'Mines remaining: ' + remaining;
  103. if (event.which == 1 && picture[row][column] != 'flag') {
  104. if (board[row][column] == 'mine') {
  105. for (let row = 0; row < rows; row++)
  106. for (let column = 0; column < columns; column++) {
  107. if (board[row][column] == 'mine') {
  108. tile[row][column].src = 'mine.png';
  109. }
  110. if (board[row][column] != 'mine' && picture[row][column] == 'flag') {
  111. tile[row][column].src = 'misplaced.png';
  112. }
  113. }
  114. status.innerHTML = 'GAME OVER<br><br>Click here to restart';
  115. } else
  116. if (picture[row][column] == 'hidden') reveal(row, column);
  117. }
  119. if (revealed == rows * columns - mines)
  120. status.innerHTML = 'YOU WIN!<br><br>Click here to restart';
  121. }
  123. function reveal(row, column) {
  124. tile[row][column].src = board[row][column] + '.png';
  125. if (board[row][column] != 'mine' && picture[row][column] == 'hidden')
  126. revealed++;
  127. picture[row][column] = board[row][column];
  129. if (board[row][column] == 0) {
  130. if (column > 0 && picture[row][column - 1] == 'hidden') reveal(row, column - 1);
  131. if (column < (columns - 1) && picture[row][+column + 1] == 'hidden') reveal(row, +column + 1);
  132. if (row < (rows - 1) && picture[+row + 1][column] == 'hidden') reveal(+row + 1, column);
  133. if (row > 0 && picture[row - 1][column] == 'hidden') reveal(row - 1, column);
  134. if (column > 0 && row > 0 && picture[row - 1][column - 1] == 'hidden') reveal(row - 1, column - 1);
  135. if (column > 0 && row < (rows - 1) && picture[+row + 1][column - 1] == 'hidden') reveal(+row + 1, column - 1);
  136. if (column < (columns - 1) && row < (rows - 1) && picture[+row + 1][+column + 1] == 'hidden') reveal(+row + 1, +column + 1);
  137. if (column < (columns - 1) && row > 0 && picture[row - 1][+column + 1] == 'hidden') reveal(row - 1, +column + 1);
  138. }
  139. }
  141. </script>
  142. </body></html>
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