// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Slow teacup steam
// Not compiled or tested in-world
// Setup: Place in a spare emitter at the cup surface, local Z upward. Owner-touch toggles. Optionally add your own soft particle texture to the rules.
// Stop / restore: Touch to stop before removing; existing particles fade within four seconds.
// Notes: Default particles are abstract, not photorealistic steam. Two particles per second; no heat, physics, or saved prior emitter settings.
// License: see LICENSE in this distribution.
// Original Incoprea example. MIT. Not compiled or tested in-world.
integer active;
default
{
    touch_start(integer count)
    {
        if (llDetectedKey(0) != llGetOwner()) return;
        active = !active;
        if (!active)
        {
            llParticleSystem([]);
            return;
        }
        llParticleSystem([
        PSYS_PART_FLAGS, PSYS_PART_INTERP_COLOR_MASK | PSYS_PART_INTERP_SCALE_MASK,
        PSYS_SRC_PATTERN, PSYS_SRC_PATTERN_ANGLE_CONE,
        PSYS_SRC_ANGLE_BEGIN, 0.0, PSYS_SRC_ANGLE_END, 0.1,
        PSYS_PART_START_COLOR, <0.9, 0.9, 0.9>, PSYS_PART_END_COLOR, <1.0, 1.0, 1.0>,
        PSYS_PART_START_ALPHA, 0.15, PSYS_PART_END_ALPHA, 0.0,
        PSYS_PART_START_SCALE, <0.04, 0.04, 0.0>, PSYS_PART_END_SCALE, <0.3, 0.3, 0.0>,
        PSYS_PART_MAX_AGE, 4.0, PSYS_SRC_BURST_RATE, 0.5,
        PSYS_SRC_BURST_PART_COUNT, 1, PSYS_SRC_BURST_SPEED_MIN, 0.08,
        PSYS_SRC_BURST_SPEED_MAX, 0.14, PSYS_SRC_ACCEL, <0.02, 0.0, 0.03>
        ]);
    }
}