23、鼠标点击弹球代码

23、鼠标点击弹球代码

<SCRIPT LANGUAGE="JavaScript1.2">

<!-- Begin

function BrowserCheck() {

var b = navigator.appName;

if (b == "Netscape") this.b = "NS";

else if (b == "Microsoft Internet Explorer") this.b = "IE";

else this.b = b;

this.v = parseInt(navigator.appVersion);

this.NS = (this.b == "NS" && this.v>=4);

this.NS4 = (this.b == "NS" && this.v == 4);

this.NS5 = (this.b == "NS" && this.v == 5);

this.IE = (this.b == "IE" && this.v>=4);

this.IE4 = (navigator.userAgent.indexOf('MSIE 4')>0);

this.IE5 = (navigator.userAgent.indexOf('MSIE 5')>0);

if (this.IE5 || this.NS5) this.VER5 = true;

if (this.IE4 || this.NS4) this.VER4 = true;

this.OLD = (! this.VER5 && ! this.VER4) ? true : false;

this.min = (this.NS||this.IE);

}

is = new BrowserCheck();

//  End -->

</script>

 

<div id="staticBall" style="position:relative;visibility:hidden"><img src="../store/pic/ball.gif" height=30 width=30 alt="Static ball"></div>

<div id="ball" style="visibility:hidden; position:absolute; left:100; top:10; height:34; width:34"><img src="../store/pic/ball.gif" height=30 width=30 alt="Bouncing ball"></div>

 

<script language="Javascript1.2">

<!-- Begin

iter = 0;

setId = 0;

down = true;

up = false;

bouncingBall = (is.VER5) ? document.getElementById("ball").style

: (is.NS) ? document.layers["ball"]

: document.all["ball"].style;

stillBall = (is.VER5) ? document.getElementById("staticBall").style

: (is.NS) ? document.layers["staticBall"] : document.all["staticBall"].style;

winH = (is.NS) ? window.innerHeight - 55 : document.body.offsetHeight - 55;

document.onmouseup = buttonUp;

if (is.NS4)

document.captureEvents(Event.MOUSEUP);

function buttonUp(e) {

if ( ((is.NS) ? e.which : event.button) != 1) return true;

if (setId != 0) clearInterval(setId);

bouncingBall.visibility="visible";

stillBall.visibility="hidden";

bouncingBall.left = (is.NS) ? e.pageX - 15 : event.offsetX - 15;

bouncingBall.top = (is.NS) ? e.pageY - 15 : event.offsetY - 15;

iter = 0;

setId = setInterval("generateGravity()", 20);

return true;

}

function generateGravity() {

if ((parseInt(bouncingBall.top)+iter < winH) && down) {

bouncingBall.top = parseInt(bouncingBall.top) + iter;

iter++;

return;

}

else {

if ((parseInt(bouncingBall.top)< winH) && down) {

bouncingBall.top = winH + 5;

return;

}

down = false;

up = true;

if (iter < 0 && parseInt(bouncingBall.top) > winH) {

clearInterval(setId);

bouncingBall.visibility = "hidden";

stillBall.visibility="visible";

setId = 0;

}

if (parseInt(bouncingBall.top) > 0 && up && iter >= 0) {

bouncingBall.top = parseInt(bouncingBall.top) - iter;

iter--;

if (iter%3 == 0) iter--;

return;

}

down = true;

up = false;

   }

}

// End -->

</script>

 

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Comments: 1
  • #1

    a (Tuesday, 23 June 2009 09:23)

    a