关于花瓣代码..改变速度和其大小

来源：百度知道 编辑：UC知道 时间：2024/06/20 00:09:16
<SCRIPT language=JavaScript>
var no = 6; // snow number
var speed = 12; // smaller number moves the snow faster
var snowflake = "px.GIF";
var ie4up = (document.all) ? 1 : 0;
var dx, xp, yp; // coordinate and position variables
var am, stx, sty; // amplitude and step variables
var i, doc_width = 500, doc_height = 500;
dx = new Array();
xp = new Array();
yp = new Array();
am = new Array();
stx = new Array();
sty = new Array();
for (i = 0; i < no; ++ i) {
dx[i] = 0; // set coordinate variables
xp[i] = Math.random()*(doc_width-50); // set position variables
yp[i] = Math.random()*doc_height;
am[i] = Math.random()*20; // set amplitude variables
stx[i] = 0.02 + Math.random()/10; // set step variables
sty[i] = 0.7 + Math.random(); // set step variables
if (i == 0) {
document.write("<div id=\&

<SCRIPT language=JavaScript>
var speed;
function verify()
{
speed = document.getElementById("txt").value;
if(inputValue == ""){
speed=12;
}
}
var no = 6; // snow number
var snowflake = "logo.GIF";
var ie4up = (document.all) ? 1 : 0;
var dx, xp, yp; // coordinate and position variables
var am, stx, sty; // amplitude and step variables
var i, doc_width = 500, doc_height = 500;
dx = new Array();
xp = new Array();
yp = new Array();
am = new Array();
stx = new Array();
sty = new Array();
for (i = 0; i < no; ++ i) {
dx[i] = 0; // set coordinate variables
xp[i] = Math.random()*(doc_width-50); // set position variables
yp[i] = Math.random()*doc_height;
am[i] = Math.random()*20; // set amplitude variables
stx[i] = 0.02 + Math.random()/10; // set step variables
sty[i] = 0.7 + Math.random(); //