linked prim movement

Ok, I have only recently started scripting so be gentle.

I have a linked prim set containing 4 buttons and a cube, I have set each button to move the cube in each of four directions, the cube moves using llsetpos and llgetpos commands.

the problem i have is that all the buttons move as well as the block, how can i move the block and leave the buttons in the same place,

thanks

the block needs to be a prim that is not the root for it to move independantly. you could make one of your buttons the root, and address the cube using llSetLinkPrimitiveParams

if the cube is a linked child setpos will move it relative to the root rather than relative to the sim coordinates. So its a good idea to have the root prim in roughly the center of the range of movement of your cube.
probably not that useful for your application but you can also make a simple script that says the offset/local rot but thats more handy if your recording a set of positions and movement.

Ok, thanks, doesn't do anything when I change the root prim.

i have the following in the cube -

vector pos=<0,0,0>;

default 
{
    link_message(integer Sender, integer Number, string Text, key ID)
    {  
       if(Text == "UP")
        {
            pos=llGetPos();
            llSetPos(pos+<0,0,0.1>);
        }      
        else if (Text == "DOWN")
        {
            pos=llGetPos();
            llSetPos(pos+<0,0,-0.1>);
        }
        else if (Text == "LEFT")
        {
            pos=llGetPos();
            llSetPos(pos+<0,0.1,0>);
        }
        else if (Text == "RIGHT")
        {
            pos=llGetPos();
            llSetPos(pos+<0,-0.1,0>);
        }
    }
}

And the following in the buttons -

default 
{
    
    touch_start(integer touched) 
    {

        llMessageLinked(LINK_ROOT, 0, "UP", llDetectedKey(0));
             
    }
}

Can you see what I need to change or add?

Thanks, your help is much appreciated.

Soooo! have I done that wrong then?

Change LINK_ROOT to the link number of the box, or LINK_SET, or LINK_OTHER, or something. Right now the link messages are going to the root prim, and the box is no longer the root prim, right?