// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Move a pose partway along its shortest rotation
// Not compiled or tested in-world
// Setup: Use a spare owned prim. Set Euler START/END and T0..1. Touch for private calculations.
// Stop / restore: Disable/remove. No camera or object settings are changed.
// Notes: This uses the shortest relative rotation; it cannot preserve a deliberately requested extra revolution.
// License: see LICENSE in this distribution.
// Original Incoprea. MIT. Transform planning only.
vector START=<10.0,20.0,350.0>;
vector END=<40.0,-10.0,15.0>;
float T=0.5;
default
{
    touch_start(integer detectedCount)
    {
        if(llDetectedKey(0)!=llGetOwner())return;
        if(T<0.0||T>1.0)
        {
            llOwnerSay("T must be0..1.");
            return;
        }
        rotation a=llEuler2Rot(START*DEG_TO_RAD);
        rotation b=llEuler2Rot(END*DEG_TO_RAD);
        rotation relative=b/a;
        float angle=llRot2Angle(relative);
        rotation partial=ZERO_ROTATION;
        if(angle>0.000001)partial=llAxisAngle2Rot(llRot2Axis(relative),angle*T);
        llOwnerSay("Interpolated rotation="+(string)(partial*a));
    }
}