// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Order exhibits by distance from a point
// Not compiled or tested in-world
// Setup: Use a spare owned prim. Set POINTS and CENTRE. Owner touch prints sample coordinates.
// Stop / restore: Remove/disable. Nothing is rezzed or moved.
// Notes: The strided sort key is consistently float; equal-distance ties may use implementation-dependent order.
// License: see LICENSE in this distribution.
// Original Incoprea. MIT. Planning only.
list POINTS=[<4.0,0.0,0.0>,<1.0,1.0,0.0>,<2.0,3.0,0.0>];
vector CENTRE=ZERO_VECTOR;
default
{
    touch_start(integer detectedCount)
    {
        if(llDetectedKey(0)!=llGetOwner())return;
        list rows;
        integer i;
        for(i=0;i<llGetListLength(POINTS);++i)
        {
            vector delta=llList2Vector(POINTS,i)-CENTRE;
            rows+=[delta*delta,i];
        }
        rows=llListSort(rows,2,TRUE);
        for(i=0;i<llGetListLength(rows);i+=2)llOwnerSay("Index="+(string)llList2Integer(rows,i+1)+" distance="+(string)llSqrt(llList2Float(rows,i)));
    }
}