ｖ５９９９ - 経済統計練習帳

var price=new Array();
var dx=new Array();
 
function sample(){
 
for(s=1;s<101;s++){
price[s]=100;    
}
 
 
dx[2]=0;
dx[3]=0;
 
var timer;
var delay = 100;
 
var loop = function () {
 
paint();
 
var pr=new Array();
 
for(s=1;s<100;s++){
pr[s]=price[s+1];
}
 
dx[1]=dx[2];
dx[2]=dx[3];
 
dx[3]=1;
if(Math.random()>0.5)dx[3]=-1;
 
pr[100]=pr[99]+dx[1]+dx[2]+dx[3];
 
 price=pr;
 
 if(price[100]<10)price[100]=10;
 
    clearTimeout(timer);
    timer = setTimeout(loop, delay);
}
 
loop();
 
 
 
 
}
 
 
 
function paint(){
 
 var sub=new svgpaint();
 
str="<svg width=\"500\" height=\"500\">";
for(s=1;s<100;s++){
str=str+sub.line(5*s,500-price[s],5*s+5,500-price[s+1],2,"red");
}
str=str+"</svg>";
 
   $("#memo").html(str);
 
 
 
}
 
 
function img(x,y,w,h,pic){
 
 str="<image x="+chop(x)+" y="+chop(y)+" width="+chop(w)+" height="+chop(h)+" xlink:href="+chop(pic)+"/>";
 
 return str;   
}
function chop(st){
 
strx="\""+st+"\"";    
 
return strx;
}