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有意思的图片组合飞入效果

2024-07-14 11:07:14   216人阅读

  • 有意思的图片组合飞入效果，本代码将多张GIF图片按一定方向组合在一起，由两个方向向一个方向组合，需要多张图片，但最终效果挺好，以前不怎么见到过，发上来分享给JS爱好者，请预览看效果吧。



<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

<title>河北草坪</title>

</head>

<body onl oad=changeimage()>

<STYLE>

.spanstyle {

LEFT: -5000px; POSITION: absolute

}

</STYLE>

<SCRIPT>

var imgwidth=200

var imgheight=90

var imgurl=new Array()

imgurl[0]="/jscss/demoimg/201303/1.gif"

imgurl[1]="/jscss/demoimg/201303/5.gif"

imgurl[2]="/jscss/demoimg/201303/6.gif"

var imgpreload=new Array()

for (i=0;i<=imgurl.length-1;i++) {

imgpreload[i]=new Image()

imgpreload[i].src=http://www.mamicode.com/imgurl[i]

}

var x_finalpos=300

var y_finalpos=200

var x_slices=8

var y_slices=3

var pause=10

var screenwidth=800

var screenheight=500

var x_step=new Array()

var y_step=new Array()

var x_randompos=0

var y_randompos=0

var i_loop=0

var max_loop=20

var i_image=0

var width_slice=Math.floor(imgwidth/x_slices)

var height_slice=Math.floor(imgheight/y_slices)

var cliptop=0

var clipbottom=height_slice

var clipleft=0

var clipright=width_slice

var spancounter=0

function initiate() {

cliptop=0

clipbottom=height_slice

clipleft=0

clipright=width_slice

i_loop=0

spancounter=0

    if (document.all) {

     for (i=0;i<=y_slices-1;i++) {

for (ii=0;ii<=x_slices-1;ii++) {

var thisspan=eval("document.all.span"+spancounter+".style")

x_randompos=Math.ceil(screenwidth*Math.random())

y_randompos=Math.ceil(screenheight*Math.random())

thisspan.posLeft=x_randompos

thisspan.posTop=y_randompos

                thisspan.clip ="rect("+cliptop+" "+clipright+" "+clipbottom+" "+clipleft+")"

clipleft+=width_slice

       clipright+=width_slice

       spancounter++

}

        clipleft=0

       clipright=width_slice

       cliptop+=height_slice

       clipbottom+=height_slice

}

   }

   explode_IE()

}


function changeimage() {

spancounter=0

for (i=0;i<=y_slices-1;i++) {

for (ii=0;ii<=x_slices-1;ii++) {

var thisspan=eval("document.all.span"+spancounter+".style")

thisspan.posLeft=-5000

thisspan.posTop=-5000

spancounter++

}

}

spancounter=0

if (i_image>imgurl.length-1) {i_image=0}

for (i=0;i<=y_slices-1;i++) {

for (ii=0;ii<=x_slices-1;ii++) {

var thisinnerspan=eval("span"+spancounter)

    thisinnerspan.innerHTML="<img src=http://www.mamicode.com/‘"+imgurl[i_image]+"‘>"

spancounter++

}

}

i_image++

initiate()

}



function explode_IE() {

spancounter=0

if (i_loop<=max_loop-1) {

for (i=0;i<=y_slices-1;i++) {

for (ii=0;ii<=x_slices-1;ii++) {

var thisspan=eval("document.all.span"+spancounter+".style")

x_step[spancounter]=(x_finalpos-thisspan.posLeft)/(max_loop-i_loop)

y_step[spancounter]=(y_finalpos-thisspan.posTop)/(max_loop-i_loop)

thisspan.posLeft+=x_step[spancounter]

thisspan.posTop+=y_step[spancounter]

spancounter++

}

}

i_loop++

var timer=setTimeout("explode_IE()",pause)

}

else {

spancounter=0

clearTimeout(timer)

var timer=setTimeout("changeimage()",2000)

}

}


</SCRIPT>

<SCRIPT>

if (document.all) {

for (i=0;i<=y_slices-1;i++) {

for (ii=0;ii<=x_slices-1;ii++) {

    document.write("<span id=‘span"+spancounter+"‘ class=‘spanstyle‘></span>")

spancounter++

}

}

spancounter=0

}

</SCRIPT>

</body>

</html>


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