[OWOP] Ping script

var pos = [
    696969,
    696969
];

var pingBox = document.createElement("span");
pingBox.textContent = "0ms";
pingBox.className = "framed whitetext";
pingBox.style.position = "absolute";
pingBox.style.top = "-4px";
pingBox.style.right = "148px";
document.body.appendChild(pingBox);

var i = Math.floor(Math.random() * 256);
var time;
function ping() {
    time = Date.now();
    var buffer = new ArrayBuffer(12);
    var dv = new DataView(buffer);
    dv.setInt32(0, pos[0] * 16, true);
    dv.setInt32(4, pos[1] * 16, true);
    OWOP.net.connection.send(buffer);

    i = (i + 1) % 256;

    OWOP.net.protocol.updatePixel(pos[0], pos[1], [i, 0, 0]);
}

function pong() {
    pingBox.textContent = (Date.now() - time) + "ms";
    setTimeout(ping, 1000);
}

OWOP.on(6666693, function(pixels) {
    for (var i=0; i<pixels.length; i++) {
        var pixel = pixels[i];
        if (pixel.id == OWOP.player.id && pixel.x == pos[0] && pixel.y == pos[1]) {
            pong();
            break;
        }
    }
});

ping();