if (colorlerp < 1)
{
    if (image_alpha < 1)
    {
        image_alpha += 0.2;
    }
    else
    {
        image_blend = merge_color(startcolor, c_white, colorlerp);
        colorlerp += 0.05;
    }
}
if (colorlerp == 1)
{
    var fadebird = 0;
    if (hspeed > 0 && x > (gt_maxx() + 10))
        fadebird = 1;
    if (hspeed < 0 && x < (gt_minx() - 10))
        fadebird = 1;
    if (vspeed > 0 && y > (gt_maxy() + 10))
        fadebird = 1;
    if (vspeed < 0 && y < (gt_miny() - 10))
        fadebird = 1;
    if (fadebird == 1)
        image_alpha -= 0.2;
    if (image_alpha <= 0)
        instance_destroy();
}
draw_self();