Fading Brushmodels in Scripting

I just wrote a script (it's based around MakeCents' awesome window breakables prefab link: https://ugx-mods.com/forum/index.php?topic=4602.0) that lets me simulate glass shattering upon shooting at it. However, once the brushmodels get launched in whatever direction,they still have their collision which makes navigating passed them in-game difficult. Any way I could remove their collision and/or have them fade away (the delete() function is just so ugly).

This is the code I thread to in my mapname.gsc

Code Snippet

Plaintext

breakStuffTrigger()
{
	break_trigger_array = getEntArray("break_trigger", "targetname");
	for (i = 0; i<break_trigger_array.size; i++)
	{
		break_trigger_array[i] thread breakStuff();
	}
}

breakStuff()
{
	self waittill("trigger");
	stuff_break = getEntArray(self.target, "targetname");
	self playsound("glass_00");
	for(i=0; i<stuff_break.size; i++){
		if(isdefined(stuff_break[i].script_sound)){
				stuff_break[i] playsound(stuff_break[i].script_sound);
			}else{
				stuff_break[i] playsound("wallcrash");
			}
			stuff_break[i] PhysicsLaunch( stuff_break[i].origin , (randomintrange(-10000,10000),randomintrange(-100000,10),10000) );
	}
	wait 5;
	for(p=0;p<stuff_break.size;p++){
		stuff_break[p] delete();
	}
	self delete();
}

(Side note: the playsound functions don't seem to work $:-\$ ) Any help is appreciated!

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Fading Brushmodels