纯前端小游戏，4096小游戏，有音效，Html5，可学习使用

  // 游戏开始运行
    create: function(){
        this.fieldArray = [];
        this.fieldGroup = this.add.group();
        this.score = 0;//4096 增加得分
        this.bestScore = localStorage.getItem(gameOptions.localStorageName) == null ? 0 : localStorage.getItem(gameOptions.localStorageName);
        for(var i = 0; i < 4; i++){
            this.fieldArray[i] = [];
            for(var j = 0; j < 4; j++){
                var spot = this.add.sprite(this.tileDestination(j, COL), this.tileDestination(i, ROW), "spot")
                var tile = this.add.sprite(this.tileDestination(j, COL), this.tileDestination(i, ROW), "tiles");
                tile.alpha = 0;
                tile.visible = 0;
                this.fieldGroup.add(tile);
                this.fieldArray[i][j] = {
                    tileValue: 0,
                    tileSprite: tile,
                    canUpgrade: true
                }
            }
        }
        var restartButton = this.add.sprite(this.tileDestination(3, COL), this.tileDestination(0, ROW) - 200, "restart");
        restartButton.setInteractive();
        restartButton.on("pointerdown", function(){
            this.scene.start("PlayGame");
        }, this)
        this.add.sprite(this.tileDestination(1, COL), this.tileDestin