if (wait)
    exit;
if (friction > 0 && speed <= end_speed)
{
    speed = end_speed;
    friction = 0;
}
if (friction == 0)
{
    sparkle_timer++;
    if (sparkle_timer == 8)
        image_speed = 1;
}
if (image_index == (image_number - 1))
    instance_destroy();