var wrap = document.getElementsByClassName("wrap")[0];
var random_color = ["red","green","yellow"]
// var random_color = ["./img/s1.jpg","./img/s2.jpg","./img/s3.jpg","./img/s4.jpg","./img/s5.jpg"]
var row_len = 10;
var col_len = 10;
var box_left = 50+20;
var box_top = 50+20;
var box_del_len = 3;
var row_over = [];
var col_over = [];
for(var i = 0; i < row_len;i++){
row_over[i] = 0;
}
for(var i = 0; i < col_len;i++){
col_over[i] = 0;
}
var arr_box = [];
for(var i = 0; i < row_len; i++){
var arr_col_box = [];
for(var j = 0; j < col_len; j++){
var attr = {
row:i,
col:col_len-1-j,
bgColor:random_bg(random_color)
}
arr_col_box[col_len-1-j] = new Box(attr);
}
arr_box[i] = arr_col_box;
}
// 创造box
function Box(attr) {
// 方块第几排
this.row = attr.row;
// 方块第几列
this.col = attr.col;
// 方块背景颜色（哪个方块）
this.bgColor = attr.bgColor;
this.left = (this.row ) * box_left;
this.top = (this.col) * box_top;
this.div = document.createElement("div");
this.div.className = "a";
this.div.style.left = this.left+"px";
this.div.style.top = this.top+"px";
this.div.style.backgroundColor = this.bgColor;
// var newimg = new Image();
// newimg.src = this.bgColor;
// newimg.className = "img";
// this.div.appendChild(newimg);
var that = this;
this.div.onclick = function () {
check_same(that);
check_row_all_none;
console.log(arr_box)
}
// this.div.innerHTML = this.row + " " + this.col;
wrap.appendChild(this.div)
}
// 随机颜色
function random_bg(random_color) {
var ran_len = random_color.length;
var ran = Math.floor(Math.random() * ran_len);
return random_color[ran];
}
// 判断3个相同
function check_same(box) {
var row = box.row;
var col = box.col;
var bgColor = box.bgColor;
var arr_res = [box];
check_row(box,arr_res)
check_col(box,arr_res)
if(arr_res.length >= box_del_len){
del_box(arr_res)
}
}
// 检查整列
function check_col(box,arr_res) {
var row = box.row;
var col = box.col;
var bgColor = box.bgColor;
for(var i = col + 1; i < col_len; i++){
var box_col = arr_box[row][i];
if(!box_col) break;
if(box_col.bgColor == bgColor && arr_res.indexOf(box_col) == -1){
arr_res.push(box_col)
check_row(box_col,arr_res)
} else {
break;
}
}
for(var i = col - 1; i >= 0; i--){
var box_col = arr_box[row][i];
if(!box_col) break;
if(box_col.bgColor == bgColor && arr_res.indexOf(box_col) == -1){
arr_res.push(box_col)
check_row(box_col,arr_res)
} else {
break;
}
}
}
// 检查整行
function check_row(box,arr_res) {
var row = box.row;
var col = box.col;
var bgColor = box.bgColor;
for(var i = row + 1; i < row_len; i++){
var box_row = arr_box[i][col];
if(!box_row) break;
if(box_row.bgColor == bgColor && arr_res.indexOf(box_row) == -1){
arr_res.push(box_row)
check_col(box_row,arr_res)
} else {
break;
}
}
for(var i = row - 1; i >= 0; i--){
var box_row = arr_box[i][col];
if(!box_row) break;
if(box_row.bgColor == bgColor && arr_res.indexOf(box_row) == -1){
arr_res.push(box_row)
check_col(box_row,arr_res)
} else {
break;
}
}
}
// 删除box
function del_box(arr) {
var arrlen = arr.length;
// 储存改变的所有行，并且列数是最大的
var arr_max_col = [];
for(var i = 0; i < arrlen; i++){
arr[i].div.style.backgroundColor = "white";
arr[i].div.style.display = "none";
row_over[arr[i].row]++;
col_over[arr[i].col]++;
create_max_col(arr_max_col,arr[i])
}
col_fall(arr_max_col)
}
// 创建arr_max_col
function create_max_col(arr,box) {
var arrlen = arr.length;
if(arrlen == 0){
arr.push({row:box.row,maxcol:box.col,mincol:box.col});
return false;
}
for(var i = 0; i < arrlen; i++){
if(arr[i].row == box.row){
arr[i].maxcol = arr[i].maxcol < box.col ? box.col : arr[i].maxcol;
arr[i].mincol = arr[i].mincol > box.col ? box.col : arr[i].mincol;
break;
} else if(i == arrlen - 1) {
arr.push({row:box.row,maxcol:box.col,mincol:box.col})
}
}
}
// 列落下
function col_fall(arr) {
var arrlen = arr.length;
var arr_row = [];
for(var i = 0; i < arrlen; i++){
var row = arr[i].row;
var mincol = arr[i].mincol;
var col = arr[i].maxcol - mincol + 1;
for(var j = mincol - 1; j >= 0; j--){
if(arr_box[row][j]) {
arr_box[row][j].div.style.top = arr_box[row][j].div.offsetTop + col * box_top + "px";
console.log(arr_box[row][j].div.offsetTop)
arr_box[row][j].col += col;
arr_box[row][arr_box[row][j].col] = arr_box[row][j];
}
}
for(var n = 0; n < row_over[row];n++){
arr_box[row][n] = undefined;
}
}
}
// 检查是否有某一行全部被消掉
function check_row_all_none() {
for(var i = 0; i < row_len;i++){
if(col_over[i] == col_len){
all_row_none(i);
};
}
}
// 某一行全部消掉时
function all_row_none(row) {
for(var i = row; i < row_len; i++){
if(row == row_len-1 || arr_box[i+1].length == 0) break;
arr_box[i] = arr_box[i+1];
arr_box[i+1] = [];
for(var j = 0; j < col_len; j++){
arr_box[row][j].row -= 1;
arr_box[row][j].div.style.left = arr_box[row][j].div.offsetLeft - box_left + "px";
}
}
}
