gpu_set_blendmode(bm_add);
for (var i = 0; i < pixels; i++)
{
    var _x = lerp(0, mypixelx[i], pixelexpand_h[i]);
    var _y = lerp(0, mypixely[i], pixelexpand_v[i]);
    var _spr, _img;
    if (!pixelspritechangealarm[i])
    {
        _spr = spr_firework_shine;
        _img = (i + (0.3 * time)) % 4;
        scalebonus = 1;
    }
    else
    {
        _spr = spr_firework_ptc2;
        _img = 0;
        scalebonus = 0;
    }
    var _col = merge_color(c_white, pixelrgb[i], min(time / 30, 1));
    draw_sprite_ext(_spr, _img, x + _x, y + _y, pixelscale[i] + scalebonus, pixelscale[i] + scalebonus, 0, _col, pixelalpha[i]);
}
gpu_set_blendmode(bm_normal);