react-raphael-mine-sweeping/lib/utils.js

so easy! create mine sweeping game with react-raphael!

'use strict';

var Model = require('./model');

var Utils = {
	xSum: 24,
	ySum: 24,
	mineCount: 25,
	models: [],
	mines: [],
	NONE: "",
	MINE: require('../images/mine.gif'),
	gameOver: false,
	Init: function Init(xSum, ySum, mineCount) {
		Utils.xSum = xSum || Utils.xSum;
		Utils.ySum = ySum || Utils.ySum;
		Utils.mineCount = mineCount || Utils.mineCount;
		Utils.gameOver = false;
		var sum = Utils.xSum * Utils.ySum;
		var rIndexs = [];
		var i = 0;
		while (i <= Utils.mineCount - 1) {
			var r = parseInt(Math.random() * 100000) % sum;
			if (rIndexs.indexOf(r) == -1) {
				rIndexs.push(r);
				i = i + 1;
			}
		}
		Utils.models = [];
		for (var i = 0; i < Utils.ySum; i++) {
			Utils.models[i] = [];
			for (var j = 0; j < Utils.xSum; j++) {
				var value = rIndexs.indexOf(i * Utils.xSum + j) == -1 ? Utils.NONE : Utils.MINE;
				Utils.models[i][j] = new Model(j, i, value, false);
			}
		}
		for (var i = 0; i < Utils.ySum; i++) {
			for (var j = 0; j < Utils.xSum; j++) {
				Utils.models[i][j].mineCount = Utils.CountMine(j, i);
			}
		}

		return Utils.models;
	},
	Fill: function Fill(x, y) {
		var mine = 0;
		if (Utils.models[y][x].value != Utils.MINE) {
			// Continue
			Utils.models[y][x].open = true;
			mine = Utils.models[y][x].mineCount;
			if (mine == 0) {
				for (var i = y - 1; i <= y + 1; i++) {
					for (j = x - 1; j <= x + 1; j++) {
						//越界
						if (!Utils.models[i] || !Utils.models[i][j]) {
							continue;
						}
						//自己
						if (i == y && j == x) {
							continue;
						}
						//已遍历
						if (Utils.models[i][j].open == true) {
							continue;
						}
						Utils.Fill(Utils.models[i][j].x, Utils.models[i][j].y);
					}
				}
			} else {
				Utils.models[y][x].value = String(mine);
			}
		} else {
			// Game Over
			Utils.gameOver = true;
			for (var i = 0; i < Utils.ySum; i++) {
				for (var j = 0; j < Utils.xSum; j++) {
					if (Utils.models[i][j].value == Utils.MINE) {
						Utils.models[i][j].open = true;
					} else {
						var mine = Utils.models[i][j].mineCount;
						if (mine > 0) {
							Utils.models[i][j].value = String(mine);
							Utils.models[i][j].open = true;
						}
					}
				}
			}
		}
		return Utils.models;
	},
	CountMine: function CountMine(x, y) {
		var count = 0;
		for (var i = y - 1; i <= y + 1; i++) {
			for (var j = x - 1; j <= x + 1; j++) {
				if (Utils.models[i] && Utils.models[i][j]) {
					if (Utils.models[i][j].value == Utils.MINE) {
						count++;
					}
				}
			}
		}
		return count;
	}
};

module.exports = Utils;