// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Trim a corner with a chamfer
// Not compiled or tested in-world
// Setup: Put in a spare owned prim. Set three vertices and a positive setback smaller than both adjacent runs. Touch to print the plan privately.
// Stop / restore: Remove/disable; calculations do not alter objects.
// Notes: The setback is measured along each adjoining segment. No actual mesh is edited.
// License: see LICENSE in this distribution.
// Original Incoprea. MIT. Calculation only.
vector A=<0.0,0.0,0.0>;
vector B=<5.0,0.0,0.0>;
vector C=<5.0,4.0,0.0>;
float SETBACK=0.8;
default
{
    touch_start(integer detectedCount)
    {
        if(llDetectedKey(0)!=llGetOwner())return;
        float first=llVecDist(A,B);
        float second=llVecDist(B,C);
        if(SETBACK<=0.0||SETBACK>=first||SETBACK>=second)
        {
            llOwnerSay("Setback does not fit adjacent runs.");
            return;
        }
        vector p=B+llVecNorm(A-B)*SETBACK;
        vector q=B+llVecNorm(C-B)*SETBACK;
        llOwnerSay("Cut endpoints="+(string)p+" and "+(string)q+"; chamfer length="+(string)llVecDist(p,q));
    }
}