if (init == 0)
{
    if (use_pivot)
    {
        if (pivotx == -999)
            pivotx = 0;
        if (pivoty == -999)
            pivoty = 0;
        startscalex = pivotx * image_xscale;
        startscaley = pivoty * image_yscale;
    }
    else
    {
        if (pivotx == -999)
            pivotx = sprite_width / 2;
        if (pivoty == -999)
            pivoty = sprite_height / 2;
    }
    xrate *= scale;
    yrate *= scale;
    init = 1;
    if (reverse == 1)
    {
        image_xscale += (xrate / fade);
        image_yscale += (yrate / fade);
        xrate *= -1;
        yrate *= -1;
        maxalpha = image_alpha;
        image_alpha = 0;
        fade *= -1;
    }
    exit;
}
maxalpha = clamp(maxalpha, 0, 1);
image_alpha -= fade;
image_xscale += xrate;
image_yscale += yrate;
if (use_pivot)
{
    xx = (x + (pivotx * image_xscale)) - startscalex;
    yy = (y + (pivoty * image_yscale)) - startscaley;
}
else
{
    xx = x - (pivotx * ((image_xscale - 2) / 2));
    yy = y - (pivoty * ((image_yscale - 2) / 2));
}
if (image_alpha < 0 || image_alpha > 1)
    instance_destroy();
d3d_set_fog(true, image_blend, 0, 1);
draw_sprite_ext(sprite_index, image_index, xx, yy, image_xscale, image_yscale, 0, image_blend, image_alpha * maxalpha);
d3d_set_fog(false, c_black, 0, 0);