ｖ２ぽいんｔ - 経済統計練習帳

var point=new Array();
var k;
 
function sample(){
 
 
 
    pi=Math.PI;
 
    for(n=0;n<501;n++){  
point[n]=Math.cos(pi*(n)/180);
}
 
 
k=500;
 
  var timer;
var delay = 100;
 
var loop = function () {
 
  k=k+1; 
 
   var pr=new Array(); 
 
for(n=0;n<500;n++){  
pr[n]=point[n+1];
}
 
pr[500]=Math.cos(pi*(k)/180);
 
point=pr;
 
 
 
    paint();
 
    clearTimeout(timer);
    timer = setTimeout(loop, delay);
}
 
loop();
 
 
 
}
 
function paint(){
 
var sub=new svgpaint();
 
str="<svg width=\"500\" height=\"500\">";
 
for(s=0;s<500;s++){    
y1=200*point[s];
y2=200*point[s+1];
str=str+sub.line(s,250-y1,s+1,250-y2,2,"red");
} 
 
 
str=str+"</svg>";
 
$("#memo").html(str);   
 
}