自制游戏 util.js

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/** * Created by wxraopf on 2017-11-17. */class Cell {    constructor(x,y,data,id) { //构造函数        // this.name = name;        this.x = x;        this.y = y;        this.id = id || this.y*9 + this.x;        this.data = data;    }    getLeft(){        let i = this.x - 1;        if(i > -1){            return this.data[this.y][i];        }else {            return null;        }    }    getRight(){        let i = this.x + 1;        if(i < 9){            return this.data[this.y][i];        }else{            return null;        }    }    getTop(){        let i = this.y - 1;        if(i > -1){            return this.data[i][this.x];        }else{            return null;        }    }    getBottom(){        let i = this.y + 1;        if(i < 9){            return this.data[i][this.x];        }else{            return null;        }    }}class EliminateCell extends Cell {    constructor(x,y,data,obj,id) { //构造函数        //调用父类构造函数        super(x,y,data,id);        //消除类型        this.name = obj.name;        //消除图标        this.src = obj.src;        //最近一次点击        this.isActive = false;        //消除权限（暂未使用）        this.power = 'eliminate';        //消除相关参数  在交换后是要重新生成的        //下落格数        this.downCount = 0;        this.maxDownCount = 0;        //是否消除        this.removeX = false;        //x重复个数        this.countX = 0;        //y项消除        this.removeY = false;        //y重复个数        this.countY = 0;    }    isNear(obj){        switch (obj) {            case this.getLeft():                return 'left';            case this.getRight():                return 'right';            case this.getTop():                return 'top';            case this.getBottom():                return 'bottom';            default:                return '';        }    }    exchange(obj){        if(!('data' in obj) || !obj) {            return;        }        var x = this.x;        var y = this.y;        this.x = obj.x;        this.y = obj.y;        this.data[this.y].splice(this.x,1,this);        obj.x = x;        obj.y = y;        this.data[obj.y].splice(obj.x,1,obj);    }    updataDownCount() {        var bottomCell = this.getBottom();        var n = 0;        while (bottomCell) {            if(bottomCell.removeX || bottomCell.removeY){                n++;            }            bottomCell = bottomCell.getBottom();        }        this.downCount = n;        this.maxDownCount = this.data[0][this.x].downCount;        if(this.data[0][this.x].removeX || this.data[0][this.x].removeY){            this.maxDownCount = this.data[0][this.x].downCount + 1;        }else {            this.maxDownCount = this.data[0][this.x].downCount;        }    }    moveTo(){        var data = this.data;        var cell = this;        var target = data[cell.y + cell.downCount][cell.x];        cell.exchange(target);    }}
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