// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Fit fence pickets between posts
// Not compiled or tested in-world
// Setup: Put in a spare owned prim. Set clear span, picket width and minimum gap. Touch to print the plan privately.
// Stop / restore: Remove/disable; calculations do not alter objects.
// Notes: Includes gaps adjacent to both end posts. If none fit, it reports that instead of returning negative dimensions.
// License: see LICENSE in this distribution.
// Original Incoprea. MIT. Calculation only.
float SPAN=5.0;
float WIDTH=0.12;
float MIN_GAP=0.08;
default
{
    touch_start(integer detectedCount)
    {
        if(llDetectedKey(0)!=llGetOwner())return;
        if(SPAN<=0.0||WIDTH<=0.0||MIN_GAP<0.0)
        {
            llOwnerSay("Invalid dimensions.");
            return;
        }
        integer count=llFloor((SPAN-MIN_GAP)/(WIDTH+MIN_GAP));
        if(count<1)
        {
            llOwnerSay("No picket fits.");
            return;
        }
        float gap=(SPAN-count*WIDTH)/(count+1);
        llOwnerSay("Pickets="+(string)count+" clear gaps="+(string)gap+" first centre="+(string)(gap+WIDTH*0.5));
    }
}