qzdoom-gpl/wadsrc/static/zscript/hexen/flies.txt

// Buzzy fly ----------------------------------------------------------------

class LittleFly : Actor
{
	Default
	{
		+NOBLOCKMAP +NOGRAVITY
		+CANPASS
		
		Speed 6;
		Radius 5;
		Height 5;
		Mass 2;
		ActiveSound "FlyBuzz";
	}
	
	native void A_FlySearch();
	native void A_FlyBuzz();
	
	States
	{
	Spawn:
		TNT1 A 20 A_FlySearch;	// [RH] Invisible when not flying
		Loop;
	Buzz:
		AFLY ABCD 3 A_FlyBuzz;
		Loop;
	}
}