avatarInFront(){
    list avatars=llGetAgentList(AGENT_LIST_REGION,[]);
    integer i=-1;
    while(++i<llGetListLength(avatars)){
        list temp=llGetObjectDetails((key)llList2String(avatars,i),[OBJECT_POS]);
        vector myPos=llGetPos();
        vector avdir=llVecNorm((vector)llList2String(temp,0)-myPos);
        vector lookdir=llRot2Fwd(llGetRot());
        float dp=avdir*lookdir;
        if(RAD_TO_DEG*llAcos(dp)<45.0){
            if((key)llList2String(avatars,i)!=llGetOwner()){
                if(llVecDist(myPos,(vector)llList2String(temp,0))<2){
                    llOwnerSay("Found Avatar : "+llKey2Name(llList2Key(avatars,i)));
                }
            }
        }
    }
}

default{
    touch_start(integer x){
        avatarInFront();
    }
}