【飄浮二】語法C59

【語法】

<script language="JavaScript"> <!-- P=new Image(); Pic="http://home.educities.edu.tw/nkhs9323005/gif0482.gif"; amount=20; BY=-35; BX=-35; S=5; ns=(document.layers)?1:0; if (ns){ for (i=0; i < amount; i++) document.write("<LAYER NAME='netscape"+i+"' LEFT=0 TOP=0><img src="+Pic+"></LAYER>"); } else{ document.write("<div style='position:absolute;top:0px;left:0px'><div style='position:relative'>"); for (i=0; i < amount; i++) {document.write("<img id='explorer' src='"+Pic+"' style='position:absolute;top:0px;left:0px'>")} document.write("</div></div>") } R=new Array(),PB=new Array(),RD=new Array(),Y=new Array(),X=new Array(),D=new Array(),VB=0,HB=0,SP=new Array();; for (i=0; i < amount; i++){Y[i]=10;X[i]=10;D[i]=Math.floor(Math.random()*80+10);SP[i]=Math.floor(Math.random()*S+3)} function Curve(){ plusMinus=new Array(1,-1,2,-2,3,-3,0,1,-1) for (i=0; i < amount; i++){ R[i]=Math.floor(Math.random()*plusMinus.length); RD[i]=plusMinus[R[i]]; } setTimeout('Curve()',1800); } function MoveRandom(){ T=setTimeout('MoveRandom()',10); var H=(document.layers)?window.innerHeight:document.body.clientHeight; var W=(document.layers)?window.innerWidth:document.body.clientWidth; var YS=(document.layers)?window.pageYOffset:document.body.scrollTop; var XS=(document.layers)?window.pageXOffset:document.body.scrollLeft; for (i=0; i < amount; i++){ PB[i]=D[i]+=RD[i]; y = SP[i]*Math.sin(PB[i]*Math.PI/180); x = SP[i]*Math.cos(PB[i]*Math.PI/180); if (D[i] < 0) D[i]+=360; Y[i]+=y; X[i]+=x; VB=180-D[i]; HB=0-D[i]; //Corner rebounds! not necessary but looks nice. if ((Y[i] < 1) && (X[i] < 1)) {Y[i]=1;X[i]=1;D[i]=45;} if ((Y[i] < 1) && (X[i] > W+BX)) {Y[i]=1;X[i]=W+BX;D[i]=135;} if ((Y[i] > H+BY) && (X[i] < 1)) {Y[i]=H+BY;X[i]=1;D[i]=315;} if ((Y[i] > H+BY) && (X[i] > W+BX)) {Y[i]=H+BY;X[i]=W+BX;D[i]=225;} //Edge rebounds! if (Y[i] < 1) {Y[i]=1;D[i]=HB;} if (Y[i] > H+BY) {Y[i]=H+BY;D[i]=HB;} if (X[i] < 1) {X[i]=1;D[i]=VB;} if (X[i] > W+BX) {X[i]=W+BX;D[i]=VB;} var layer=(document.layers)?document.layers['netscape'+i]:explorer[i].style; layer.top=Y[i]+YS; layer.left=X[i]+XS; } } function sTaRt(){Curve();MoveRandom()} if (document.all||document.layers){sTaRt()} --> </script>

在 Pic="http://home.educities.edu.tw/nkhs9323005/gif0482.gif"
中修改圖片的路徑或檔名
在 amount=20; 中修改圖片的數量
在 S=5; 中修改圖檔飄移的速度