timer++;
if (timer == 7)
    instance_destroy();
if (faster == 0)
{
    if (timer < 3)
        image_alpha += 0.1;
    if (timer >= 3)
        image_alpha -= 0.1;
}
else
{
    if (timer < 2)
        image_alpha += 0.2;
    if (timer >= 2)
        image_alpha -= 0.2;
}