// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Fading privacy window
// Not compiled or tested in-world
// Setup: Put in a spare window prim. Set FACE; owner-touch changes the target opacity. Use a face/material whose alpha mode supports blending.
// Stop / restore: Touch to return to the original opacity, wait for the fade to finish, then remove. Resetting mid-fade captures the altered opacity.
// Notes: Transparency is visual, not privacy or access security. It does not change the object’s collision geometry.
// License: see LICENSE in this distribution.
// Original Incoprea example. MIT. Not compiled or tested in-world.
integer FACE = 0;
float original;
float target;
float current;
integer clear;
default
{
    state_entry()
    {
        original = llGetAlpha(FACE);
        current = original;
        target = original;
    }
    touch_start(integer count)
    {
        if (llDetectedKey(0) != llGetOwner()) return;
        clear = !clear;
        target = original;
        if (clear) target = 0.15;
        llSetTimerEvent(0.1);
    }
    timer()
    {
        float difference = target - current;
        if (llFabs(difference) <= 0.05)
        {
            current = target;
            llSetTimerEvent(0.0);
        }
        else if (difference > 0.0) current += 0.05;
        else current -= 0.05;
        llSetAlpha(current, FACE);
    }
}