if (target != -4 && i_ex(target))
{
    x = target.x;
    y = target.y;
}
image_alpha -= fade;
image_xscale += xrate;
image_yscale += yrate;
if (image_alpha < 0)
    instance_destroy();
if (destroytime > -1)
    destroytime--;
if (destroytime == 0)
    instance_destroy();