_parent = -4;
_bullet_marker = -4;
_bullet_active = false;
_init_pos = -4;
_target_pos = -4;
_fade_out = false;

create = function(arg0, arg1, arg2, arg3)
{
    _parent = arg0;
    _init_pos = new Vector2(arg1.x, arg1.y);
    _target_pos = new Vector2(1634, 400);
    _bullet_active = false;
    _bullet_marker = scr_dark_marker(_init_pos.x, _init_pos.y, arg3);
    _bullet_marker.image_alpha = 0;
    _bullet_marker.image_angle = point_direction(_init_pos.x, _init_pos.y, _target_pos.x, _target_pos.y);
    _bullet_marker.depth = 96000;
};

is_active = function()
{
    return _bullet_active;
};

start = function()
{
    if (_bullet_marker == -4)
        exit;
    if (_bullet_active)
        exit;
    _bullet_marker.x = _init_pos.x;
    _bullet_marker.y = _init_pos.y;
    _bullet_marker.image_alpha = 0;
    _bullet_active = true;
};

fade_out = function()
{
    _fade_out = true;
};

stop = function()
{
    _bullet_active = false;
    with (_parent)
        trigger_event("bullet_finished");
};

clean_up = function()
{
    with (_bullet_marker)
        instance_destroy();
    instance_destroy();
};