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jigsaw.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<link rel="stylesheet" href="css/style.css">
<link rel="stylesheet" href="css/jigsaw.css">
<style>
</style>
</head>
<body>
<div class="content">
<div class="title"><h1>拼图</h1></div>
<div class="setting">
<span style="padding-left: 20px">步数：</span><span class="step">0</span>
<span>用时：</span><span class="time">00'00"</span>
<button class="start">开始</button>
</div>
<img class="model" src="images/jigsaw.jpg" alt="拼图">
<div class="play-area"></div>
</div>
<!-- 引入jquery -->
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script>
$(function () {
var step = 0;//步数
var reset = 0;//是否需要重置
var successNum = 0;
/* 在右边的方框用canvas画出左边图片 */
var img=new Image()
img.src="images/jigsaw.jpg";
var h = img.height;
var w = img.width;
h /= 4;
w /= 4;
console.log(w,h);
for(var i = 0;i<4;i++){
for(var j = 0;j<4;j++){
$('<canvas id="block'+i + j+'" class="mycanvas" data="'+ successNum +'"></canvas>').appendTo($(".play-area"));
var cxt = document.getElementById("block"+ i + j).getContext("2d");
cxt.drawImage(img,j*w,i*h,w,h,0,0,300,150);
successNum++;
};
};
var block = document.getElementsByClassName("mycanvas");
var arr = [];
for(var i = 0;i<block.length-1;i++){
arr.push(block[i]);
}
$(".start").click(function () {
if(reset == 1){//重置
alert("请刷新当前页面重置！")
return;
};
$(this).html("重置");
reset = 1;
arr.sort(function(){ return 0.5 - Math.random()});
$(".play-area").empty();
$('<canvas id="block" class="mycanvas blank" place="0"></canvas>').appendTo($(".play-area"));
for(var i = 0;i<arr.length;i++){
$(arr[i]).attr("place",i+1).click(function () {
var $this = $(this);
move($this);
}).appendTo($(".play-area"));
};
/*启动定时器*/
var time = 0;
var min = 0;
var s = 0;
var start = setInterval(function () {
time++;
min = parseInt(time/60);
s = time%60;
s = doubleNum(s);
min = doubleNum(min);
$(".time").html(min + "\'" + s + "\"");
},1000);
function doubleNum(n) {
if(n>9){
return n;
}else{
n = "0" + n;
return n;
};
};
});
function move(dom){
var bPlace = parseInt($(".blank").attr("place"));
var i =parseInt(dom.attr("place")) - bPlace;
if(i == 0 || i == 2 || i == -2 || i == 3 || i == -3 || i>4 || i<-4 ) return;
step += 1;
$(".step").html(step);
var nowTop = parseInt($(".blank").css("top"));
var nowLeft = parseInt($(".blank").css("left"));
var domTop = parseInt(dom.css("top"));
var domLeft = parseInt(dom.css("left"));
if(i == 1){
domLeft -= 100;
dom.css("left",domLeft);
nowLeft += 100;
$(".blank").css("left",nowLeft);
};
if(i == -1){
domLeft += 100;
dom.css("left",domLeft);
nowLeft -= 100;
$(".blank").css("left",nowLeft);
};
if(i == 4){
domTop -= 105;
dom.css("top",domTop);
nowTop += 105;
$(".blank").css("top",nowTop);
};
if(i == -4){
domTop += 105;
dom.css("top",domTop);
nowTop-= 105;
$(".blank").css("top",nowTop);
};
dom.attr("place",bPlace);
var num = parseInt(dom.attr("data"));
if(num == bPlace){
dom.addClass("success");
}else{
dom.removeClass("success");
};
bPlace += i;
$(".blank").attr("place",bPlace);
if($(".success").length == 15){
clearInterval(start);
alert("恭喜通关！")
};
};
});
</script>
</body>
</html>