active = 1;
for (i = 0; i < 30; i += 1)
{
    x1[i] = (x + random(w)) - random(w);
    x2[i] = (x + random(w)) - random(w);
    y1[i] = (y + random(h)) - random(h);
    y2[i] = (y + random(h)) - random(h);
}
alarm[0] = 4;