兔年雪花

我正在参加「兔了个兔」创意投稿大赛，详情请看：「兔了个兔」创意投稿大赛

引言

兔年到了，我们一起欢庆的时候千万别忘记了兔年的幸福时刻，今天我们一起庆祝兔年的时候千万记得下面的这个时候啊，接下来我将为大我的作品兔年雪花啊。

作品介绍

   var snowmax=9

var snowcolor=new Array("#aaaacc","#ddddff","#ccccdd","#f3f3f3","#f0ffff")





var snowtype=new Array("Times","Arial","Times","Verdana")




//this one in special is funny

var snowletter="*"





var sinkspeed=0.6





var snowmaxsize=30





var snowminsize=12




var snowingzone=1




//the real deal starts here




var snow=new Array()

var marginbottom

var marginright

var timer

var i_snow=0

var x_mv=new Array();

var crds=new Array();

var lftrght=new Array();

var browserinfos=navigator.userAgent

var ie5=document.all&&document.getElementById&&!browserinfos.match(/Opera/)

var ns6=document.getElementById&&!document.all

var opera=browserinfos.match(/Opera/)

var browserok=ie5||ns6||opera




function randommaker(range) {

        rand=Math.floor(range*Math.random())

    return rand

}




function initsnow() {

        if (ie5 || opera) {

                marginbottom = document.body.scrollHeight

                marginright = document.body.clientWidth-15

        }

        else if (ns6) {

                marginbottom = document.body.scrollHeight

                marginright = window.innerWidth-15

        }

        var snowsizerange=snowmaxsize-snowminsize

        for (i=0;i<=snowmax;i++) {

                crds[i] = 0;

            lftrght[i] = Math.random()*15;

            x_mv[i] = 0.03 + Math.random()/10;

                snow[i]=document.getElementById("s"+i)

                snow[i].style.fontFamily=snowtype[randommaker(snowtype.length)]

                snow[i].size=randommaker(snowsizerange)+snowminsize

                snow[i].style.fontSize=snow[i].size+'px';

                snow[i].style.color=snowcolor[randommaker(snowcolor.length)]

                snow[i].style.zIndex=1000

                snow[i].sink=sinkspeed*snow[i].size/5

                if (snowingzone==1) {snow[i].posx=randommaker(marginright-snow[i].size)}

                if (snowingzone==2) {snow[i].posx=randommaker(marginright/2-snow[i].size)}

                if (snowingzone==3) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/4}

                if (snowingzone==4) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/2}

                snow[i].posy=randommaker(2*marginbottom-marginbottom-2*snow[i].size)

                snow[i].style.left=snow[i].posx+'px';

                snow[i].style.top=snow[i].posy+'px';

        }

        movesnow()

}




function movesnow() {

        for (i=0;i<=snowmax;i++) {

                crds[i] += x_mv[i];

                snow[i].posy+=snow[i].sink

                snow[i].style.left=snow[i].posx+lftrght[i]*Math.sin(crds[i])+'px';

                snow[i].style.top=snow[i].posy+'px';




                if (snow[i].posy>=marginbottom-2*snow[i].size || parseInt(snow[i].style.left)>(marginright-3*lftrght[i])){

                        if (snowingzone==1) {snow[i].posx=randommaker(marginright-snow[i].size)}

                        if (snowingzone==2) {snow[i].posx=randommaker(marginright/2-snow[i].size)}

                        if (snowingzone==3) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/4}

                        if (snowingzone==4) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/2}

                        snow[i].posy=0

                }

        }

        var timer=setTimeout("movesnow()",50)

}




for (i=0;i<=snowmax;i++) {

        document.write("<span id='s"+i+"' style='position:absolute;top:-"+snowmaxsize+"'>"+snowletter+"</span>")

}

if (browserok) {

        window.onload=initsnow

}



 

代码解析

首先我们通过设置随机的js控制了鞭炮的位置和每个炮仗的产生，然后通过css的配合完成了定位的需要，灵活的设置和调整了背景的搭配，完美的呈现出每秒的表现形式，最后我们看看js的核心设置过程还添加了对象的配置属性，最后的解雇就是界面呈现的雪花运动过程了

总结

通过上面的兔年作品希望大家可以收获到我的祝福，希望大家可以在兔年收获事业，爱情，金钱等等等，最后真切的祝福大家新年快乐，兔年吉祥。