舞台灯光效果

来源：互联网发布：软件开发人员资质证书编辑：程序博客网时间：2024/04/29 05:33

<html>

<head>

<!--

body{

background-color:#000000;

}

td{

filter:light;

}

-->

</style>

</head>

<body>

<table>

<tr>

</tr>

</table>

var g_numlights=0;

flttgt.onclick=keyhandler; //点击鼠标

flttgt.onmousemove=mousehandler; //鼠标移动时

function setlights(){

flttgt.filters[0].clear(); //先清空所有光源

flttgt.filters[0].addcone(-10,- 10,5,275,370,0,0,150,60,10); //添加蓝色光源

if (g_numlights>0){

flttgt.filters[0].addcone (285,-10,5,0,370,150,0,0,60,10); //添加红色光源

if (g_numlights>1)

flttgt.filters[0].addcone (138,380,5,138,0,0,150,0,60,15); //添加绿色光

}

function keyhandler(){

g_numlights= (g_numlights+=1)%3;

setlights();

}

function mousehandler(){

x=(window.event.x-80);

y=(window.event.y-80);

flttgt.filters[0].movelight(0,x,y,5,1); //移动蓝光

if (g_numlights>0){

flttgt.filters[0].movelight(1,x,y,5,1); //移动红光

if (g_numlights>1)

flttgt.filters[0].movelight(2,x,y,5,1); //移动绿光

}

setlights();

</script>

</body>