js红包雨活动

function Block( dom ){

this.dom = dom; //dom

this.parentW = this.dom.parentNode.clientWidth;

this.parentH = this.dom.parentNode.clientHeight;

this.scale = 1.5; //黑块 宽高比

this.h = parseInt(this.parentW/3*this.scale);

this.top = -this.h;

this.speed = 2; //速度

this.maxSpeed = 26; //最大速度

this.timer = null; //定时器

this.state = true; //游戏判断

this.sum = 0; //分数

}

Block.prototype.init = function(){

var _t = this;

_t.zsy();

_t.mark();

var clickEvent = "ontouchstart" in document.documentElement ? "touchstart" : "click";

_t.dom.addEventListener(clickEvent,function(e){

if(!_t.state){

return false;

}

e = e || window.event;

var target = e.target ||e.srcElement;

if(target.className.indexOf('block')!=-1){//正确点击红包

_t.sum++;

_t.getEleByClassName("mark")[0].innerHTML = _t.sum;

var s = Math.floor(Math.random()*2+1);

target.className = 'cell block_click'+s;

log(target)

}else{//未正确点击红包-停止

_t.state = false;

clearInterval(_t.timer);

_t.end();

return false;

}

});

}

block.prototype.init = function(){

var _t = this;

_t.zsy();

_t.mark();

var clickEvent = "ontouchstart" in document.documentElement ? "touchstart" : "click";

_t.dom.addEventListener(clickEvent,function(e){

if(!_t.state){

return false;

}

e = e || window.event;

var target = e.target || e.srcElement;

if(target.className.indexOf('block')!=-1){

_t.sum++;

_t.getEleByClassName("mark")[0].innerHTML = _t.sum;

var s = Math.floor(Math.random()*2+1);

target.className = 'cell block_click'+s;

log(target)

}

else{

_t.state = false;

clearInterval(_t.timer);

_t.end();

return false;

}

})

}

//创建一行，，，

Block.prototype.addRow = function(){

var oRow = document.createElement('div');

oRow.className = 'row';

oRow.style.height = this.h + 'px';

var cells = ['cell','cell','cell','cell'];

var s = Math.floor(Math.random()*4);

cells[s] = "cell block";

var oCell = null;

for (var i=0; i<4; i++){

oCell = document.createElement('div');

oCell.className = cells[i];

oRow.appendChild( oCell );

}

block.prototype.addRow = function(){

var oRow = document.createElement('div');

oRow.className = "row";

oRow.style.height = this.h + 'px';

var cells = ['cell','cell','cell','cell'];

var s = Math.floor(Math.random()*4);

cells[s] = "cell block";

var oCell = null;

for(var i=0; i<4; i++){

oCell = document.createElement('div');

oCell.className = cells[i];

oRow.appendChild( oCell );

}

}

var fChild = this.dom.firstChild;

if( fChild == null ){

this.dom.appendChild(oRow);

}else{

this.dom.insertBefore(oRow , fChild);

}

var fChild = this.dom.firstChild;

if(fChild==null){

this.dom.appendChild(oRow);

}

else{

this.dom.insertBefore(oRow, fChild);

}

}

function log(obj){

console.log(obj);

}

//删除一行，，，

Block.prototype.delRow = function(){

log(1);

this.dom.removeChild( this.dom.childNodes[ this.dom.childNodes.length-1 ] );

}

//判断什么时候拉回top 什么时候提升速度，，，什么时候停止

Block.prototype.judge = function(){

var _t = this;

if(_t.top >= 0){

_t.top = -this.h;

_t.dom.style.top = _t.top +'px';

_t.addRow();

}

var rows = _t.getEleByClassName('row','div',_t.dom);

for (var i=0; i<rows.length; i++) {

if (rows[i].offsetTop >= _t.parentH +_t.h) {

_t.delRow();

}

}

_t.speed = (parseInt(_t.sum/5)+1)*2; //根据点的白块总数提升速度

if( _t.speed >=_t.maxSpeed ){ _t.speed = _t.maxSpeed; } //最大速度

var blocks = _t.getEleByClassName('block','div',_t.dom);

for (var j=0; j<blocks.length; j++){

if ( blocks[j].offsetTop >= _t.parentH ){

_t.state = false;

clearInterval(_t.timer);

_t.end();

}

}

}

Block.prototype.getEleByClassName =  function(className,tagName,context){

context = context || document;

tagName = tagName || '*';

if(document.getElementsByClassName) {

return context.getElementsByClassName(className);

} else {

var el = new Array();

var aEle = context.getElementsByTagName(tagName);

var re=new RegExp('\\b'+className+'\\b', 'i');

var i=0;

for(i=0;i<aEle.length;i++)

{

if(re.test(aEle[i].className))

{

aResult.push(aEle[i]);

}

}

return aResult;

}

}

//移动

Block.prototype.move = function(){

this.top += this.speed;

this.dom.style.top = this.top +'px';

}

//分数

Block.prototype.mark = function(){

var oMark = document.createElement("div");

oMark.className = "mark";

oMark.innerHTML = this.sum;

this.dom.parentNode.appendChild(oMark);

}

//元素自适应

Block.prototype.zsy = function(){

var _t = this;

if("ontouchstart" in document.documentElement){

_t.dom.parentNode.className = "ph-main";

}

}

//游戏开始

Block.prototype.start = function(){

var _t = this;

for( var i=0; i<4; i++ ){

_t.addRow();

}

_t.timer = setInterval(function(){

_t.move();

_t.judge();

},30);

}

block.prototype.start = function(){

var _t = this;

for( var i=0;i<4; i++){

_t.addRow();

}

_t.timer = setInterval(function(){

_t.move();

_t.timer = setInterval(function(){

_t.move();

_t.judge();

})

})

}

//游戏结束 

Block.prototype.end = function(){

var _t = this;

if( !document.getElementById("againMask") ){

var againMask = document.createElement('div');

againMask.className = 'again-mask';

againMask.id = 'againMask';

// againMask.innerHTML =

'<div id="gove" ><h2 id="againSum">哇塞!你只抢到了'+_t.sum+'红包</h2><h1>难道是大神没附体!</h1><span id="againStart"><img src="img/e1.png"></span><span id="againStart_two"><img src="img/e2.png"></span><div>';

_t.dom.parentNode.appendChild(againMask);

}else{

var againMask = document.getElementById("againMask");

againMask.style.display = "block";

var againSum = document.getElementById("againSum");

//againSum.innerHTML = "分数2："+_t.sum;

}

/***************判断****************/

if(0<_t.sum<=4){

againMask.innerHTML =

'<div id="gove" ><h2 id="againSum">哇塞!你只抢到了'+_t.sum+'红包</h2><h1>难道是大神没附体!</h1><span id="againStart"><img src="img/e1.png"></span><span id="againStart_two"><img src="img/e2.png"></span><div>';

}

if(_t.sum>=5){

againMask.innerHTML =

'<div id="gove" ><h2 id="againSum">哇抢到了'+_t.sum+'红包</h2><h1>好哈哈好啊难附体!</h1><span id="againStart"><img src="img/e1.png"></span><span id="againStart_two"><img src="img/e2.png"></span><div>';

}

/***************判断****************/

var againStart = document.getElementById("againStart");

againStart.onclick = function(){

_t.again();

againMask.style.display = "none";

return false;

}

}

//游戏重来

Block.prototype.again = function(){

this.parentW = this.dom.parentNode.clientWidth;

this.parentH = this.dom.parentNode.clientHeight;

this.scale = 1.5; //黑块 宽高比

this.h = parseInt(this.parentW/3*this.scale);

this.top = -this.h;

this.speed = 2; //速度

this.timer = null; //定时器

this.state = true; //游戏判断

this.sum = 0; //分数

var _t = this;

_t.dom.innerHTML = "";

_t.getEleByClassName('mark','div')[0].innerHTML = _t.sum;

_t.start();

}

block.prototype.again = function(){

this.parentW = this.dom.parentNode.clientWidth;

this.parentH = this.dom.parentNode.clientHeight;

this.scale = 1.5;

this.h = parseInt(this.parentW/3*this.scale);

this.top = -this.h;

this.speed = 2;

this.timer = null;

this.state = true;

this.num = 0;

var _t = this;

_t.dom.innerHTML = "";

_t.getEleByClassName('mark','div')[0].innerHTML = _t.sum;

_t.start();

}