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clean Examples/2048

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This commit is contained in:
Basil Hosmer 2015-03-20 16:52:56 -07:00
parent 33b46c3ba9
commit ca3be21484
1 changed files with 8 additions and 6 deletions
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14
Examples/2048/GameBoard.js
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@ -2,11 +2,12 @@
* Copyright 2004-present Facebook. All Rights Reserved.
*
* @providesModule GameBoard
* @flow
*/
'use strict';
// NB: Taken straight from: https://github.com/IvanVergiliev/2048-react/blob/master/src/board.js
// with no modificiation except to format it for CommonJS and fix lint errors
// with no modificiation except to format it for CommonJS and fix lint/flow errors
var rotateLeft = function (matrix) {
var rows = matrix.length;
@ -21,9 +22,10 @@ var rotateLeft = function (matrix) {
return res;
};
var Tile = function (value, row, column) {
var Tile = function (value?: number, row?: number, column?: number) {
this.value = value || 0;
this.row = row || -1;
this.column = column || -1;
this.oldRow = -1;
this.oldColumn = -1;
@ -102,8 +104,8 @@ Board.prototype.moveLeft = function () {
targetTile.value += tile2.value;
}
resultRow[target] = targetTile;
this.won |= (targetTile.value === 2048);
hasChanged |= (targetTile.value !== this.cells[row][target].value);
this.won = this.won || (targetTile.value === 2048);
hasChanged = hasChanged || (targetTile.value !== this.cells[row][target].value);
}
this.cells[row] = resultRow;
}
@ -172,14 +174,14 @@ Board.prototype.hasLost = function () {
var canMove = false;
for (var row = 0; row < Board.size; ++row) {
for (var column = 0; column < Board.size; ++column) {
canMove |= (this.cells[row][column].value === 0);
canMove = canMove || (this.cells[row][column].value === 0);
for (var dir = 0; dir < 4; ++dir) {
var newRow = row + Board.deltaX[dir];
var newColumn = column + Board.deltaY[dir];
if (newRow < 0 || newRow >= Board.size || newColumn < 0 || newColumn >= Board.size) {
continue;
}
canMove |= (this.cells[row][column].value === this.cells[newRow][newColumn].value);
canMove = canMove || (this.cells[row][column].value === this.cells[newRow][newColumn].value);
}
}
}