パチンコｊ - 経済統計練習帳

var bx=new Array();
var by=new Array();
var number;
 
function sample(){
 
var timer;
var delay = 100;
 
faststep();    
 
var loop = function(){
 
number=number+1;
 
for(s=1;s<number;s++){    
bx[s]=bx[s]+r();
by[s]=by[s]+1;
}
 
bx[number]=50;
by[number]=0;    
 
if(number>500)faststep();    
 
paint();
 
clearTimeout(timer);
timer = setTimeout(loop,delay);
}
 
loop();
 
}
 
function paint(){
 
var sub=new svgpaint();
 
str="<svg width=\"500\" height=\"500\">";
 
for(s=1;s<number+1;s++){    str=str+sub.rect(5*bx[s],5*by[s],10,10,"blue");
}
    str=str+"</svg>";
 
$("#memo").html(str);   
 
}
 
function faststep(){
 
number=1;    
 
bx[1]=50;
by[1]=0;
 
}
 
 
 
function r(){
 
    dx=-1;
if(Math.random()>0.5)dx=1;
 
return dx;
}