INNER CODE UNIT · JavaScript

d2xy

lh3/psmc · utils/dec2img.js:114

function d2xy(n, d)
{
	var t = d, x = 0, y = 0;
    for (var s = 1; s < n; s <<= 1) {
        var rx = 1 & (t >> 1);
        var ry = 1 & (t ^ rx);
        var r = rot(s, x, y, rx, ry);
		x = r[0], y = r[1];
        x += s * rx;
        y += s * ry;
        t >>= 2;
    }
	return [x, y];
}

var img = [];
for (var i = 0; i < size; ++i) {
	img[i] = [];

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