_active = false;
_timer = 0;
_target_depth = 0;
_parent = -4;
_sparkle_alpha = 1;

start = function(arg0, arg1)
{
    _active = true;
    _target_depth = arg0;
    _parent = arg1;
};

clean_up = function()
{
    _active = false;
    instance_destroy();
};

fade_out = function()
{
    scr_lerpvar("_sparkle_alpha", 1, 0, 30);
};