110 lines
1.9 KiB
HTML
110 lines
1.9 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3c.org/1999/xhtml">
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<head>
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<title>CircleBounce</title>
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<style type='text/css'>
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* {
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margin:0;
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padding:0;
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text-decoration:none;
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font-weight:normal;
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color:#000;
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font:16px arial;
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}
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body {
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font:16px arial;
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background-color:#fff;
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overflow:hidden;
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}
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#circle {
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background-image:url('img/circle.png');
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background-repeat:no-repeat;
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width:50px;
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height:50px;
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position:absolute;
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}
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</style>
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<script type='text/javascript'>
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function getwh() {
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if (self.innerHeight) {
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w=self.innerWidth
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h=self.innerHeight
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}
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else if (document.documentElement && document.documentElement.clientHeight) {
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w=document.documentElement.clientWidth
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h=document.documentElement.clientHeight
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}
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else if (document.body) {
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w=document.body.clientWidth
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h=document.body.clientHeight
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}
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w=w-50
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h=h-50
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}
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img1=new Image()
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img1.src="img/circle_l.png"
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function endsi() {
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if (cg==0) {
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cg=cg+1
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cgt=setTimeout("endsi()",100)
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}
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else
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c.style.backgroundImage="url('img/circle.png')"
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}
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function movecircle() {
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c.style.left=x+"px"
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c.style.top=y+"px"
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if (y<1)
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yt=2
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else if (y>h-1)
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yt=-2
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if (x<1)
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xt=2
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else if (x>w-1)
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xt=-2
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if (y<1 || y>h-1 || x<1 || x>w-1) {
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c.style.backgroundImage="url('img/circle_l.png')"
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cg=0
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endsi()
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}
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//else
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//c.style.backgroundImage="url('img/circle.png')"
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x=x+xt
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y=y+yt
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t=setTimeout("movecircle()",1)
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}
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function cstart() {
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c=document.getElementById("circle")
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getwh()
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x=Math.floor(Math.random()*w)
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y=Math.floor(Math.random()*h)
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yt=Math.floor(Math.random()*2)
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if (yt==0) yt=-2
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else yt=2
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xt=Math.floor(Math.random()*2)
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if (xt==0) xt=-2
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else xt=2
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movecircle()
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}
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window.onload=cstart
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window.onresize=getwh
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</script>
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</head>
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<body>
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<div id='circle'></div>
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</body>
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</html> |