senso - 経済統計練習帳

var ax = new Array();
var ay = new Array();
var a = new Array();
var bx = new Array();
var by = new Array();
var b = new Array();
 
function sample(){
 
faststep(); 
 
var timer;
var delay = 1000;
 
var loop = function () {
 
    move_a();
 
    move_b();
 
    tank();
 
    check();
 
    paint();
 
    clearTimeout(timer);
    timer = setTimeout(loop, delay);
}
 
loop();
 
 
 
 
}
 
function check(){
 
for(s=1;s<11;s++){
if(ay[s]>10)faststep();
}
 
for(s=1;s<11;s++){
if(by[s]<1)faststep();
}
 
 
}
 
 
function tank(){
 
 
    for (s = 1; s < 11; s++) {
        for (sx = 1; sx < 11; sx++) {
            x1 = ax[s] - bx[sx];
            y1 = ay[s] - by[sx];
            x1 = x1 * x1;
            y1 = y1 * y1;
            h = 0;
            if (x1 < 2) h = h + 1;
            if (y1 < 2) h = h + 1;
            if (a[s] > 50) h = h + 1;
            if (b[s] > 50) h = h + 1;
            if (h == 4) fight(s, sx);
        } 
    }
 
 
 
}
 
function fight(s,sx){
 
    xx = 0;
    if (Math.random() > 0.5) xx = 100;
    if(xx<50)a[s] = 0;
    if(xx>50)b[sx] = 0;
 
}
 
 
function move_a(){
 
    for(s=1;s<11;s++){
    r1 = Math.random();
    dx = 0;
    if (r1 < 0.5) dx = -1;
    if (r1 > 0.5) dx = 1;
 r1 = Math.random();
    dy = 0;
    if (r1 > 0.5) dy = 1;
 
 
    ax[s] = ax[s] + dx;
    ay[s] = ay[s] + dy;
} 
 
for(s=1;s<11;s++){
if(ax[s]>10)ax[s]=10;
if(ax[s]<1)ax[s]=1;   
if(ay[s]<1)ay[s]=1;    
}
 
 
 
}
 
 function move_b(){
 
    for(s=1;s<11;s++){
    r1 = Math.random();
    dx = 0;
    if (r1 > 0.5) dx = -1;
    if (r1 < 0.5) dx = 1;
 r1 = Math.random();
    dy = 0;
    if (r1 > 0.5) dy = -1;
 
 
    bx[s] = bx[s] + dx;
    by[s] = by[s] + dy;
} 
 
for(s=1;s<11;s++){
if(bx[s]>10)bx[s]=10;
if(bx[s]<1)bx[s]=1;   
if(by[s]>10)by[s]=10;    
}
 
 
 
}
 
function faststep(){
 
for(s=1;s<11;s++){
ax[s]=5;
ay[s]=1;
a[s] =100;
}
 
 
for(s=1;s<11;s++){
bx[s]=5;
by[s]=10;
b[s] =100;
}
 
 
}
 
 
 
function paint(){
 
var sub=new svgpaint();
 
str="<svg width=\"500\" height=\"500\">";
 
str=str+sub.rect(0,0,500,500,"blue"); 
for(s=1;s<11;s++){    
if(a[s]>50)str=str+sub.circle(50*ax[s]-25,525-50*ay[s],25,"red");
}
for(s=1;s<11;s++){    
if(b[s]>50)str=str+sub.circle(50*bx[s]-25,525-50*by[s],25,"green");
}
str=str+"</svg>";
 
$("#memo").html(str);   
 
}