基本就是拖拽功能的应用,其它鼠标事件绑定,距离的计算,动画等,也有很多细节问题,
需要亲自做了才知道, 支持IE系列,FIREFOX,chrome浏览器, IE6下可能有点卡。
过关卡的时候需要下载下一张图片,如果网速慢则会暂时停止一下,稍等一会就可以接着下一关。
玩到最后一关就可以自定义图片拼图了,只需要输入图片的地址就可以了!
如果需要直接自定义图片,则用谷歌浏览器或者FIREBUG把隐藏的Id 为 imgDiy 的层显示出来
就可以了.
DEMO演示:点击试玩
源代码下载:点击下载
IFREAME演示:
就不解释了,我源代码里面的注释写得很清楚,有兴趣的可以看一下源代码,如下:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>JS</title> <meta name="keywords" content="拼图游戏"/> <meta name="description" content="拼图游戏"/> <style type="text/css"> #vvg p { text-align: center; font-size: 14px; font-weight: bold; } #vvg ul { overflow: hidden; text-align: center; } #thumb li { list-style: none; float: left; display: inline; margin-left: 5px; } #gameCanvas { position: relative; padding: 0; margin: 0 auto; } #gameCanvas li { position: absolute; list-style: none; cursor: move; } #vvgBox { margin: 0 auto; overflow: hidden; position: relative; } #mask { position: absolute; z-index: 999; background: #fff; left: 0; top: 0; } #button { width: 133px; height: 133px; background-image: url('images/play.png'); position: absolute; z-index: 1000; margin-left: -66px; left: 50%; margin-top: -66px; top: 50%; } #button:hover { background-position: -133px 0; } #textTip { font-size: 25px; font-weight: bold; color: #000; text-align: center; position: relative; top: -75%; z-index: 1000; } #step { margin-left: 5px; margin-right: 5px; color: red; font-size: 20px; } #imgDiy { text-align: center; display: none; } </style> </head> <body> <div id="vvg"> <p id="desTip">通过四个关卡后可以自定义图片 现在是第<span id="step">1</span>关</p> <p id="imgDiy">填入图片地址:<input type="text" id="imgUrl"><input id="startDiy" type="button" value="开始"></p> <div id="vvgBox"> <ul id="gameCanvas"></ul> </div> </div> <script type="text/javascript"> /* by VVG 2012年6月1日 E-MAIL:mysheller@163.com 博客地址:http://www.cnblogs.com/NNUF/ */ /*快捷函数*/ function getId(id) { return typeof id === "string" ? document.getElementById(id) : id } function setOpacity(node, level) { if (document.all) { node.style.filter = 'alpha(opacity=' + level + ')'; } else { node.style.opacity = level / 100; } } //设置第几关 var vvg = {}; vvg.step = 1; /* 游戏 内容代码 */ function makeGame(url) { var imgArray = [], imgArray_bak = [], dragging = null, draggingL, draggingT, dear, dearL, dearT, top, left, effectEnd, posArray = [], posArray_bak = [], canvas = getId('gameCanvas'), vvgBox = getId('vvgBox'), successTimer; // posx,posy 为鼠标相对于拖动对象的左上角距离, sLeft sTop 为拖动对象的初始位置 var posx, posy, zindex = 0, isMouseMove; var imgWidth, imgHeight; var img = new Image(); img.src = url; // 图片加载完毕 img.onload = function () { //获取图片的尺寸 imgWidth = img.width; imgHeight = img.height; var myw = Math.floor(imgWidth / 4), myh = Math.floor(imgHeight / 4); vvgBox.style.width = imgWidth + 'px'; vvgBox.style.height = imgHeight + 'px'; canvas.style.width = imgWidth + 'px'; canvas.style.height = imgHeight + 'px'; //清空gameCanvas while (canvas.firstChild) { canvas.removeChild(canvas.firstChild); } // 文档碎片 var oFragment = document.createDocumentFragment(); //循环生成方块状态的小图,以背景的形式展现,生成16格,并添加到数组 for (var i = 0; i < 16; i++) { var li = document.createElement('li'); li.style.width = myw + 'px'; li.style.height = myh + 'px'; li.style.backgroundImage = 'url(' + url + ')'; // 计算坐标 if (i < 4) {//0,1,2,3 第一排 top = 0; left = i * myw; } else if (i >= 4 && i < 8) {// 4,5,6,7 第二排 top = myh; left = (i - 4) * myw; } else if (i >= 8 && i < 12) {// 8,9,10,11 第三排 top = 2 * myh; left = (i - 8) * myw; } else if (i >= 12) { // 12,13,14,15 第四排 top = 3 * myh; left = (i - 12) * myw; } // 记录还未打乱次序的初始ID对应的每个id的正确位置,用于比较拼图是否完成 posArray.push([i, left, top]); // 赋值背景backgroundPosition 与 位置 li.style.backgroundPosition = -left + 'px' + ' ' + (-top) + 'px'; // 赋值ID为i, 用于检查拼图的位置 li.id = i; // 对象是否在移动 li.isMove = false; // 存储到数组imgArray中 imgArray.push(li); li.style.left = left + 'px'; li.style.top = top + 'px'; // 事件绑定 li.onmousedown = function (event) { event = event || window.event; var target = event.target || event.srcElement; isMouseMove = false; dragging = target; //记录拖动对象的初始位置 draggingL = parseInt(dragging.style.left); draggingT = parseInt(dragging.style.top); posx = event.clientX - canvas.offsetLeft - dragging.offsetLeft; posy = event.clientY - canvas.offsetTop - dragging.offsetTop; zindex++; // 在移动的图片就不绑定事件 if (!dragging.isMove) { document.onmousemove = function (event) { event = event || window.event; var myleft = event.clientX - canvas.offsetLeft - posx; var mytop = event.clientY - canvas.offsetTop - posy; if (myleft < 0)myleft = 0; if (mytop < 0)mytop = 0; if (myleft > canvas.offsetWidth - dragging.offsetWidth)myleft = canvas.offsetWidth - dragging.offsetWidth; if (mytop > canvas.offsetHeight - dragging.offsetHeight)mytop = canvas.offsetHeight - dragging.offsetHeight; dragging.style.left = myleft + 'px'; dragging.style.top = mytop + 'px'; dragging.style.zIndex = zindex; // 设置拖动的元素的不透明度 setOpacity(dragging, 80); // 获取离拖动元素最近的元素 dear = checkMeet(dragging); // 循环设置透明度为100....就是为了改变最近距离的透明度 for (var i = 0, n = imgArray_bak.length; i < n; i++) { setOpacity(imgArray_bak[i], 100); } setOpacity(dear, 50); dearL = parseInt(dear.style.left); dearT = parseInt(dear.style.top); isMouseMove = true; return false; }; document.onmouseup = function () { document.onmousemove = null; document.onmouseup = null; // 只发生单击事件鼠标没有移动时不会设置透明度移动动画操作 if (isMouseMove === true) { dear.style.zIndex = zindex; setOpacity(dragging, 100); setOpacity(dear, 100); startMove(dear, draggingL, draggingT, 10); startMove(dragging, dearL, dearT, 10); } isMouseMove = false; dragging = null; return false; }; } return false; }; oFragment.appendChild(li); } canvas.appendChild(oFragment); // 复制一份密码到posArray_bak,用于检查拼图是否完成(id对应正确的位置时,则拼图完成) imgArray_bak = imgArray.concat(); //只包含对象 // posArray.push([i, left, top]); posArray_bak = posArray.concat(); //包含对象id以及未打乱对象的位置属性 play(); // 打乱数组imgArray }; // 随机排列 function rank() { while (imgArray.length > 0) { // 在数组的长度中获取随机值下标 // 随机获取ID var ranLi = imgArray.splice(random(0, imgArray.length), 1); // 随机获取位置,并从原数组移除,返回移除项组成的数组 var ranCss = posArray.splice(random(0, posArray.length), 1); // 赋值随机位置 startMove(ranLi[0], ranCss[0][1], ranCss[0][2], 10); } } // 返回随机数函数 function random(from, to) { return Math.floor(Math.random() * (to - from) + from); } // 检测与谁相交,判断对象的中心点的距离最近即相交 function checkMeet(obj) { // 存储与每个对象的最小距离的数组 var disArray = []; //循环图片对象列表,求距离并计入数组 for (var i = 0, n = imgArray_bak.length; i < n; i++) { // 排除自身和正在移动的对象 if (imgArray_bak[i] != obj && !imgArray_bak[i].isMove) { var item = getDistance(obj, imgArray_bak[i]); //数组只传入一个值,后面的值与第一个值比较,如果比它小这替换这个值,剩下的就是最小的距离 if (disArray.length == 0) { disArray.push([imgArray_bak[i], item]); } if (item - 0 < disArray[0][1] - 0) { disArray.splice(0, 1, [imgArray_bak[i], item]); } } } // 返回距离最小的对象 return disArray[0][0]; } // 求两对象中心两点之间的距离,传入对象,利用勾股定理求值 function getDistance(obj1, obj2) { var a = (obj1.offsetLeft + obj1.offsetWidth / 2) - (obj2.offsetLeft + obj2.offsetWidth / 2); var b = (obj1.offsetTop + obj1.offsetHeight / 2) - (obj2.offsetTop + obj2.offsetHeight / 2); return Math.ceil(Math.sqrt(a * a + b * b)); } // 检查拼图是否完成 function check() { for (var j = 0, n = posArray_bak.length; j < n; j++) { // posArray.push([i, left, top]); var loopLi = getId(posArray_bak[j][0] + ''); //加空转换成字符串 var loopLiLeft = parseInt(loopLi.style.left); var loopLiTop = parseInt(loopLi.style.top); if (loopLiLeft != posArray_bak[j][1]) return false; if (loopLiTop != posArray_bak[j][2]) return false; } return true; } // 设置移动 function startMove(obj, x2, y2, time) { clearInterval(obj.timer); if (!obj.timer) { obj.timer = setInterval(function () { move(obj, x2, y2); }, time); } } // 移动效果 function move(obj, x2, y2) { //判断对象是否移动 obj.isMove = true; var x1 = parseInt(obj.style.left), y1 = parseInt(obj.style.top), movex = (x2 > x1 ? Math.ceil : Math.floor)((x2 - x1) / 10), movey = (y2 > y1 ? Math.ceil : Math.floor)((y2 - y1) / 10); obj.style.left = (x1 + movex) + 'px'; obj.style.top = (y1 + movey) + 'px'; if (parseInt(obj.style.left) == x2 && parseInt(obj.style.top) == y2) { clearInterval(obj.timer); obj.isMove = false; obj.timer = null; // 通过拼图检查,并已经执行了拼图成功后的效果,避免成功动画也执行拼图成功,产生循环 if (!!check() && !effectEnd) { successTimer && clearTimeout(successTimer); successTimer = setTimeout(sucessEffect, 800); } } } // 拼图成功后效果 function sucessEffect() { var num = 0, cTimer; effect(); function effect() { var copy2 = imgArray_bak.concat(); var copy1 = posArray_bak.concat(); // 打乱数组imgArray while (copy2.length > 0) { // 随机获取ID var ranLi = copy2.splice(random(0, copy2.length), 1); // 随机获取位置,并从原数组移除,返回移除项组成的数组 var ranCss = copy1.splice(random(0, copy1.length), 1); startMove(ranLi[0], ranCss[0][1], ranCss[0][2], 10); } num++; if (num < 4) { setTimeout(effect, 800); } else { setTimeout(back, 800); } } function back() { var copy1 = posArray_bak.concat(); while (copy1.length > 0) { var ranCss = copy1.splice(random(0, copy1.length), 1); startMove(getId(ranCss[0][0] + ''), ranCss[0][1], ranCss[0][2], 30); // 特效过后弹出蒙板 cTimer && clearTimeout(cTimer); cTimer = setTimeout(tipNextStep, 1000); } effectEnd = true; } } function play() { var mask = document.createElement('div'); mask.id = 'mask'; mask.style.width = imgWidth + 'px'; mask.style.height = imgHeight + 'px'; setOpacity(mask, 80); var playBtn = document.createElement('div'); playBtn.id = 'button'; playBtn.onclick = function () { canvas.removeChild(mask); vvgBox.removeChild(playBtn); // 打乱排序 rank(); }; canvas.appendChild(mask); vvgBox.appendChild(playBtn); } // 下一张图按钮 function tipNextStep() { vvg.step += 1; var mask = document.createElement('div'); mask.id = 'mask'; mask.style.width = imgWidth + 'px'; mask.style.height = imgHeight + 'px'; setOpacity(mask, 80); var playBtn = document.createElement('div'); playBtn.id = 'button'; if (vvg.step < 5) { playBtn.onclick = function () { canvas.removeChild(mask); vvgBox.removeChild(playBtn); vvgBox.removeChild(textTip); var step = getId('step'); step.innerHTML = vvg.step; makeGame('images/0' + vvg.step + '.jpg'); } } else { playBtn.onclick = function () { while (canvas.firstChild) { canvas.removeChild(canvas.firstChild); } var btn = getId('button'); btn.parentNode.removeChild(btn); var tip = getId('textTip'); tip.innerHTML = ''; var desTip = getId('desTip'); desTip.innerHTML = '现在你可以自定义图片了,请在下面的文本框中输入图片的地址:'; var imgDiy = getId('imgDiy'); var startDiy = getId('startDiy'); var imgUrl = getId('imgUrl'); imgDiy.style.display = 'block'; startDiy.onclick = function () { if (imgUrl.value == '') { alert('请填入图片地址'); } else { makeGame(imgUrl.value); } } } } var textTip = document.createElement('div'); textTip.id = 'textTip'; textTip.innerHTML = "点击开始第" + vvg.step + "关"; canvas.appendChild(mask); vvgBox.appendChild(playBtn); vvgBox.appendChild(textTip); } } // 默认播放第一关 makeGame('images/01.jpg'); </script> </body> </html>
转载请注明博客地址:http://www.cnblogs.com/NNUF/archive/2012/06/01/2531436.html