20、蛇形文字网页代码

20、蛇形文字网页代码

<SCRIPT LANGUAGE="JavaScript">

<!-- Begin

var your_message="erererererererererererererererererererererererererererer"

var textfont="宋体"

var textsize="9pt"

var textcolor="#FF6600"

var textboldness=7

var tempo=40

var stepx=30

var stepy=20

var msg=new Array()

var msg=your_message

var message=msg.split("")

var numberofletters=msg.length-1

var x,y

var marginbottom

var marginleft=0

var margintop=0

var marginright

textboldness=textboldness*100

var timer

var xpos=new Array()

var ypos=new Array()

var spancontent=new Array()

for (i=0; i<=numberofletters;i++) {xpos[i]=0; ypos[i]=0}

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

       spancontent[i]="<span style='position:relative;font-family:"+textfont+";font-size:"+textsize+";color:"+textcolor+";font-weight:"+textboldness+"'>"+message[i]+"</span>"}

function setValues() {    var firsttimer= setTimeout("setValues2()",200)}

function setValues2() {

       if (document.all) {marginbottom = document.body.clientHeight-5; marginright = document.body.clientWidth-5;

              for (i=0;i<=numberofletters;i++) {var thisspan = eval("document.all.span"+i); thisspan.innerHTML=spancontent[i];

                     var thisspan = eval("document.all.span"+(i)+".style"); thisspan.posLeft=0;

                     thisspan.postop=0               }            moveball()      }

       if (document.layers) {

           marginbottom = window.innerHeight-10; marginright = window.innerWidth-10;

              for (i=0;i<=numberofletters;i++) {var thisspan=eval("document.span"+i+".document"); thisspan.write(spancontent[i]);

                     thisspan.close();  var thisspan=eval("document.span"+i); thisspan.left=0; thisspan.top=0}moveball()    }}

function randommaker(range) {rand=Math.floor(range*Math.random());    return rand}

function moveball() {

       if (document.all) {checkposition(); makesnake(); document.all.span0.style.posTop+=stepy; timer=setTimeout("moveball()",tempo)       }

              if (document.layers) {checkposition(); makesnake(); document.span0.top+=stepy; timer=setTimeout("moveball()",tempo)       }}

function makesnake() {

              for (i=numberofletters; i>=1; i--) {                  xpos[i]=xpos[i-1];                ypos[i]=ypos[i-1]       }

              if (document.all) {xpos[0]=document.all.span0.style.posLeft+stepx; ypos[0]=document.all.span0.style.posTop+stepy;               for (i=0;i<=numberofletters;i++) { 

                         var thisspan=eval("document.all.span"+(i)+".style"); thisspan.posLeft=xpos[i]; thisspan.posTop=ypos[i]           }            }

              if (document.layers) {                  xpos[0]=document.span0.left+stepx;                  ypos[0]=document.span0.top+stepy

                     for (i=0;i<=numberofletters;i++) {var thisspan = eval("document.span"+i); thisspan.left=xpos[i]; thisspan.top=ypos[i]                  }            }}

function checkposition() {

       if (document.all) {

              if (document.all.span0.style.posLeft>marginright) {                  stepx=(stepx+randommaker(2))*-1;                    document.all.span0.style.posLeft-=1            }

              if (document.all.span0.style.posLeft<marginleft) {                    stepx=(stepx+randommaker(2))*-1;                    document.all.span0.style.posLeft+=1           }    

              if (document.all.span0.style.posTop>marginbottom) {               stepy=(stepy+randommaker(2))*-1;                    document.all.span0.style.posTop-=1            }

              if (document.all.span0.style.posTop<margintop) {                    stepy=(stepy+randommaker(2))*-1;                    document.all.span0.style.posTop+=1            }     }

       if (document.layers) {

              if (document.span0.left>=marginright) {                   stepx=(stepx+randommaker(2))*-1;                    document.span0.left-=10              }

              if (document.span0.left<=marginleft) {                     stepx=(stepx+randommaker(2))*-1;                    document.span0.left+=10             }    

              if (document.span0.top>=marginbottom) {                stepy=(stepy+randommaker(2))*-1;                    document.span0.top-=10              }

              if (document.span0.top<=margintop) {               stepy=(stepy+randommaker(2))*-1;                    document.span0.top+=10             }     }}

setValues()

for (i=0;i<=numberofletters;i++) {document.write("<span id='span"+i+"' style='position:absolute'></span>")}

// End -->

</SCRIPT>

 

 

Write a comment

Comments: 0