renvff - 経済統計練習帳

var a = new Array();
var b = new Array();
var dir = new Array();
var number_dir = new Array();
var x = new Array();
var y = new Array();
 
 
function sample() {
 
    for (s = 1; s < 11; s++) {
        a[s] = 1;
        b[s] = 100;
    }
 
    for (t = 1; t < 101; t++) {
        dir[t] = new Array();
    }
 
 
    faststep();
 
 
    var timer;
    var delay = 1000;
 
    var loop = function () {
 
        move_a();
 
        move_b();
 
        paint();
 
        clearTimeout(timer);
        timer = setTimeout(loop, delay);
    }
 
    loop();
 
 
} 
 
 
function move_a() {
 
    for (s = 1; s < 11; s++) {
        s1 = a[s];
        var n1 = number_dir[s1] * Math.random();
        var n2 = Math.floor(n1) + 1;
        a[s] = dir[s1][n2];
 
    }
 
    for (s = 1; s < 11; s++) {
        s1 = a[s];
        x1 = x[s1] + 1;
        y1 = y[s1] + 1;
        s2 = search(x1, y1);
        if (s2 > 0) a[s] = s2;
    }
 
 
}
 
function move_b() {
 
    for (s = 1; s < 11; s++) {
        s1 = a[s];
        s2 = b[s];
        mind = 5000;
        delta = s2;
        for (sx = 1; sx < number_dir[s] + 1; sx++) {
            s3 = dir[s2][sx];
            d1 = (x[s1] - x[s3]) * (x[s1] - x[s3]) + (y[s1] - y[s3]) * (y[s1] - y[s3]);
            if (d1 < mind) delta = s3;
            if (d1 < mind) mind = d1;
        }
        b[s] = delta;
    }
 
 
 
}
 
 
 
function paint() {
 
    var sub = new svgpaint();
 
    str = "<svg width=\"500\" height=\"500\">";
 
    for (s = 1; s < 11; s++) {
        t = a[s];
        str = str + sub.rect(50 * x[t] - 50, 50 * y[t] - 50, 50, 50, "red");
    }
    for (s = 1; s < 11; s++) {
        t = b[s];
        str = str + sub.rect(50 * x[t] - 50, 50 * y[t] - 50, 50, 50, "blue");
    }
 
    str = str + "</svg>";
 
    $("#memo").html(str);
 
}
 
function faststep() {
 
 
    tx = 0;
    for (s = 1; s < 11; s++) {
        for (sx = 1; sx < 11; sx++) {
            tx = tx + 1;
            x[tx] = s;
            y[tx] = sx;
        }
    }
 
    for (t = 1; t < 101; t++) {
        tx = 0;
        for (s1 = -1; s1 < 2; s1++) {
            for (s2 = -1; s2 < 2; s2++) {
                x1 = x[t] + s1;
                y1 = y[t] + s2;
                sx = search(x1, y1);
                if (sx == t) sx = 0;
                if (sx > 0) tx = tx + 1;
                if (sx > 0) dir[t][tx] = sx;
            }
        }
        number_dir[t] = tx;
    }
 
 
}
 
 
 
function search(x1, y1) {
 
    var s, sx, h;
    sx = 0;
    for (s = 1; s < 101; s++) {
        h = 0;
        if (x[s] == x1) h = h + 1;
        if (y[s] == y1) h = h + 1;
        if (h == 2) sx = s;
    }
    return sx;
 
}