PC6下载站

分类分类

ASP.NET动态设置页面标题

关注+2009-04-07作者:

其实只是一个模拟,思路是这样的:让鼠标消失,再用一个跟鼠标一样的图片跟随鼠标移动,这样我们就可以控制这个图片的移动了。。。囧~

怎样让鼠标消失呢,就是做一个高宽1px的透明cur文件,并把其设置为鼠标光标就行了。。。。囧囧~~~
 

 这里是我们需要的两个素材:

  透明cur:http://www.net320.com/random/images/hidden.cur

  鼠标图片:http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <style type="text/css">
            body{
                cursor:url('http://www.net320.com/random/images/hidden.cur'),auto;
            }
        </style>
        <script type="text/javascript">
            function $I(id){
                return typeof(id)=="string"?document.getElementById(id):id;
            };

            var isMoving=false;
            window.onload=function(){
                $I("arrow").style.position="absolute";
                $I("arrow").style.zIndex=1000;
               
                document.body.onmousemove=function(e){
                    e=e||event;
                    if(!isMoving){
                        $I("arrow").style.left=e.clientX+document.documentElement.scrollLeft+1+"px";
                        $I("arrow").style.top=e.clientY+document.documentElement.scrollTop+1+"px";
                    }
                };
                document.oncontextmenu=function(e){
                    e=e||event;
                    if(isMoving){
                        e.returnValue=false;
                    }
                };
                $I("btn1").onclick=function(){
                    alert("lalala~~~~");
                };
               
                window.setInterval(function(){
                    if(!isMoving){
                        move(parseInt($I("arrow").style.left),parseInt($I("arrow").style.top),
                             parseInt($I("btn1").style.left)+$I("btn1").offsetWidth/2,
                             parseInt($I("btn1").style.top)+$I("btn1").offsetHeight/2)
                       
                    }
                },5000);
            }
           
            function getAngle(startX,startY,endX,endY)
            {
                var angle;
                var tanx;
                if(endX-startX!=0){
                    tanx=Math.abs(endY-startY)/Math.abs(endX-startX);
                }else{
                    return 90+(endY-startY>0?180:0);
                }
                angle=Math.atan(tanx)/2/Math.PI*360;
           
                if(endX-startX<0 && endY-startY<=0){
                    angle=180-angle;
                }
                if(endX-startX<0 && endY-startY>0){
                    angle+=180;
                }
                if(endX-startX>=0 && endY-startY>0){
                    angle=360-angle;
                }
                return angle;
            };
           
            function move(startX,startY,endX,endY){
                var currentDistance=0;
                var currentX=startX;
                var currentY=startY;
                var angle=getAngle(startX,startY,endX,endY);
                var speed=5;
                var intervalId=window.setInterval(function(){
                    if(Math.abs(parseInt($I("arrow").style.left)-endX)>speed
                    || Math.abs(parseInt($I("arrow").style.top)-endY)>speed){
                        var newX,newY;
                        var xAngle=angle*(2*Math.PI/360);
                        var xDirection=Math.abs(Math.cos(xAngle))/Math.cos(xAngle);
                        var yDirection=Math.abs(Math.sin(xAngle))/Math.sin(xAngle);
               
                        if(Math.abs(Math.tan(xAngle))<=1){
                            var deltaX=Math.abs(speed*Math.cos(xAngle))*xDirection;
                            newX=currentX+deltaX;
                            newY=-(newX-startX)*Math.tan(xAngle)+startY;
                        }
                        else{
                            var deltaY=Math.abs(speed*Math.sin(xAngle))*yDirection;
                            newY=currentY-deltaY;
                            newX=-(newY-startY)/Math.tan(xAngle)+startX;
                        }
                        currentX=newX;
                        currentY=newY;
                        $I("arrow").style.left=currentX+"px";
                        $I("arrow").style.top=currentY+"px";
                        isMoving=true;
                    }
                    else{
                        window.clearInterval(intervalId);      isMoving=false;
                        $I("btn1").click();
                        $I("btn1").focus();
                    }
                },10);
            }

        </script>
    </head>
    <body>
        <input style="position:absolute;left:100px;top:30px;" type="button" id="btn1" value="I am a Button"/>
        <div style="height:900px;"></div>

展开全部

相关文章

更多+相同厂商

热门推荐

  • 最新排行
  • 最热排行
  • 评分最高
排行榜

    点击查看更多

      点击查看更多

        点击查看更多

        说两句网友评论

          我要评论...
          取消