The Emitter generates creeper-emitting particles. These particles spawn deadly creeper, but they have a half-life and decay over time. Use a Nullifier to destroy an Emitter.

{
	"type": "unit",
	"enemy": true,
	"displayname":"Emitter",
	"image": "body.png",
	"sortingorder": 2,
	"position": [0, 0],
	"pivot": [0.5, 0.5],
	"isbuilt": true,
	"hasphysics": true,
	"parts": [],
	"scripts": [],
	"creeperdamages": false,
	"digitalissource": false,
	"nullifiable": true,
	"playercandestroy": false,
	"playercontrolbuildsupply": false,
	"playercontrolammosupply": false,
	"damageheal": 50,
	"objectivetype": 4,
	"parts": [
				{"part": "$/weapon_emitter/weapon_emitter.json", "position": [0, 0]},
			 ],	
	"controllers": 	[
						{
							"name": "ondestroy_sandexplosion",
							"amt": 500,
							"minvelocity": 1.5,
							"maxvelocity": 3,
							"color0":[0.2, 0.4, 2],
							"color1":[0.2, 0.6, 2],
							"sandtype": 98,
						}
					]				
}