// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Measure rotation since a bookmark
// Not compiled or tested in-world
// Setup: Use a rezzed prim and touch as owner before and after rotating it.
// Stop / restore: Remove or disable. This inspector changes no build properties.
// Notes: No rotation is applied. Uses quaternion angular difference, not a subtraction of Euler angles. Reset discards the bookmark.
// License: see LICENSE in this distribution.
// Original Incoprea example. MIT.
rotation original;
integer ready;
default
{
    touch_start(integer count)
    {
        if(llDetectedKey(0)!=llGetOwner()) return;
        if(llGetAttached())
        {
            llOwnerSay("Use a rezzed prim.");
            return;
        }
        if(!ready)
        {
            original=llGetRot();
            ready=TRUE;
            llOwnerSay("Orientation bookmarked.");
            return;
        }
        llOwnerSay("Angular change: "+(string)(llAngleBetween(original,llGetRot())*RAD_TO_DEG)+" degrees.");
    }
    changed(integer flags)
    {
        if(flags & CHANGED_OWNER) llResetScript();
    }
}