ｐ９９９００＊＊ - 経済統計練習帳

function sample(){
 
var timer;
var delay = 100;
 
 bx=350;
 by=700;
 dx=10;
 
var loop = function () {
 
by=by-10;
 
p1=Math.random();
if(p1>0.9)dx=-dx; 
 
if(by<1)bx=350;
if(by<1)by=700;
if(bx<1)dx=10;
if(bx>700)dx=-10;
 
bx=bx+dx;
 
 
    paint();
 
    clearTimeout(timer);
    timer = setTimeout(loop, delay);
}
 
loop();
 
 
 
} 
 
function paint(){
 
 var sub=new svgpaint();
 
str="<svg width=\"700\" height=\"700\">";   
 
str=str+sub.rect(bx,700-by,10,10,"red");  
 
 
str=str+"</svg>";
 
$("#memo").html(str);      
 
 
}