// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Find the lit face
// Not compiled or tested in-world
// Setup: Put in a spare multi-face prim with modest original glow. Owner-touch starts. Rotate the camera or object to find and touch the glowing face.
// Stop / restore: Correct touch or a 15-second timeout restores all original glow values. Wait for restoration before deleting or resetting.
// Notes: Faces on complex meshes may be hard to locate; start with a simple cube. Uses touch-face data and does not change colors, lights, or ownership.
// License: see LICENSE in this distribution.
// Original Incoprea example. MIT. Not compiled or tested in-world.
list original;
integer active;
integer target;
restore()
{
    integer face;
    for (face = 0; face < llGetListLength(original); ++face)
    llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_GLOW, face, llList2Float(original, face)]);
    active = FALSE;
    llSetTimerEvent(0.0);
}
default
{
    state_entry()
    {
        integer face;
        for (face = 0; face < llGetNumberOfSides(); ++face)
        original += llGetLinkPrimitiveParams(LINK_THIS, [PRIM_GLOW, face]);
    }
    touch_start(integer count)
    {
        if (llDetectedKey(0) != llGetOwner()) return;
        if (!active)
        {
            target = (integer)llFrand((float)llGetListLength(original));
            active = TRUE;
            llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_GLOW, target, 0.15]);
            llSetTimerEvent(15.0);
            llOwnerSay("Find and touch the glowing face.");
        }
        else if (llDetectedTouchFace(0) == target)
        {
            restore();
            llOwnerSay("Found it! Touch to start another round.");
        }
    }
    timer()
    {
        restore();
        llOwnerSay("Round ended; original glow restored.");
    }
}