Script per muovere su un pannello al touch

float STEP=0.5;

move(float dx,float dz)
{
    vector pos=llGetPos();
    if(dz!=0) {
        llSetPos(<pos.x,pos.y,pos.z+dz>);

    }
    if(dx!=0) {
         vector incleft=llRot2Left(llGetRot())*dx;
         llSetPos(pos+incleft);
    }

}

default
{
    state_entry()
    {
        llSay(0, "Script running");

    }
    touch_start(integer count)
    {

        vector touched=llDetectedTouchUV(0);
        if(touched.x<.2) move(-STEP,0);
        if(touched.x>.8) move(STEP,0);
        if(touched.y<.2) move(0,-STEP);
        if(touched.y>.8) move(0,STEP);

    }
}