// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Owned-object collision pulse
// Not compiled or tested in-world
// Setup: Use an already suitable collision-enabled root in a clear test area. Owner-touch arms/disarms.
// Stop / restore: Owner-touch or choose Off as described; let finite pulses expire. Clear particles before removal. These examples cannot recover a pre-existing particle system.
// Notes: Use an otherwise particle-free prim. Particle systems persist independently of scripts. Does not enable physics. Ignores avatar contacts and objects not owned by you; uses a two-second cooldown.
// License: see LICENSE in this distribution.
// Original Incoprea. MIT. Not compiled or tested in-world.
integer armed;
float next;
default
{
    touch_start(integer n)
    {
        if(llDetectedKey(0)!=llGetOwner())return;
        armed=!armed;
        llParticleSystem([]);
        llSetTimerEvent(0.0);
    }
    collision_start(integer n)
    {
        if(!armed||llGetTime()<next)return;
        integer i;
        integer found;
        for(i=0;i<n;++i)if(!(llDetectedType(i)&AGENT)&&llDetectedOwner(i)==llGetOwner())found=TRUE;
        if(!found)return;
        next=llGetTime()+2.0;
        llParticleSystem([PSYS_PART_FLAGS,PSYS_PART_INTERP_SCALE_MASK|PSYS_PART_INTERP_COLOR_MASK,PSYS_SRC_PATTERN,PSYS_SRC_PATTERN_EXPLODE,PSYS_PART_START_COLOR,<1.0,0.8,0.2>,PSYS_PART_START_ALPHA,0.8,PSYS_PART_END_ALPHA,0.0,PSYS_PART_START_SCALE,<0.05,0.05,0.0>,PSYS_PART_END_SCALE,<0.01,0.01,0.0>,PSYS_PART_MAX_AGE,0.8,PSYS_SRC_BURST_RATE,0.1,PSYS_SRC_BURST_PART_COUNT,4,PSYS_SRC_BURST_SPEED_MIN,0.1,PSYS_SRC_BURST_SPEED_MAX,0.3,PSYS_SRC_MAX_AGE,0.1]);
        llSetTimerEvent(1.0);
    }
    timer()
    {
        llParticleSystem([]);
        llSetTimerEvent(0.0);
    }
}