if (ex == 0)
{
    if (atimer == 0)
        aaa += 0.03;
    if (atimer == 1)
        aaa -= 0.03;
}
if (ex == 1)
{
    if (atimer == 0)
        aaa += 0.015;
    if (atimer == 1)
        aaa -= 0.015;
}
if (ex == 2)
{
    if (atimer == 0)
        aaa += 0.0075;
    if (atimer == 1)
        aaa -= 0.0075;
}
if (aaa <= -0.03)
    instance_destroy();
if (aaa >= 1.2)
{
    aaa = 1;
    atimer = 1;
}
draw_set_alpha(aaa);
draw_set_color(c_white);
ossafe_fill_rectangle(-10, -10, 999, 999);
draw_set_alpha(1);