ng - 経済統計練習帳

var a = new Array();
var number = new Array();
var x = new Array();
var bx,by,dx,dy;
 
function sample(){
 
    for (s = 1; s < 101; s++) {
        a[s] = new Array();
    }
 
    for (s = 1; s < 101;s++){
    for (sx = 1; sx < 101;sx++){
        a[s][sx] = 0;
    if(Math.random()>0.9)a[s][sx] = 1;
    }}
 
 
        var timer;
var delay = 100;
 
bx = 50;
by = 100;
dx = 1;
dy = -1;
 
var loop = function () {
 
    bx = bx + dx;
    by = by + dy;
 
    bomb();
 
    g();
 
    play();
 
    if (by < 2) bx = 50;
    if (by < 2) by = 100;
 
 
 
    paint();
 
    clearTimeout(timer);
    timer = setTimeout(loop, delay);
}
 
loop();
 
}
 
function g(){
 
    h = 0;
    if (Math.random() > 0.7) h = h + 1;
    if (dy > 0) h = h + 1;
    if (h == 2) dy = -dy;
 
    }
 
function bomb(){
 
    if (a[by][bx] == 1) dx = -dx;
    if (a[by][bx] == 1) dy = -dy;
 
}
 
 
function play(){
 
    if (bx > 99)dx = -1;
    if (bx < 2) dx = 1;
 
    if (by > 99)dy = -1;
 
}
 
function paint(){
 
var sub=new svgpaint();
 
str="<svg width=\"500\" height=\"500\">";
 
str=str+sub.rect(5*bx,500-5*by,5,5,"red");
for(s=1;s<101;s++){    
for(sx=1;sx<101;sx++){  
str=str+sub.rect(5*s,500-5*sx,1,1,"black");
}}
str=str+"</svg>";
 
$("#memo").html(str);   
 
}