{
    "initializer": {
    "lifetime": "100",
    "alpha": "0",
    "size": "0",
    "dx": "rand()",
    "dy": "rand()",
    "dz": "rand()"
  },
  "ticker": {
    "dx": "-0.3*cos(AGE*0.06)*0.1",
    "dy": "-0.3*cos(AGE*0.06)*0.1",
    "dz": "-0.3*sin(AGE*0.06)*0.1",
    "alpha": "0 + (SKY_LIGHT >= 1)*(DAY_TIME%22000 > 14000)",
    "size": "1.2 - AGE*0.012"
  },
  "has_physics": true,
  "render_type": "additive_translucent",
  "light_level": 15,
  "exclusion_radius": 5,
  "particle_emitters": [
    {
      "particle": "minecraft:firefly_swamp0",
      "chance": "0.1",
      "x": "rand()", 
      "z": "rand()",
      "y": "rand()"
    },
    {
      "particle": "minecraft:firefly_swamp1",
      "chance": "0.1",
      "x": "rand()", 
      "z": "rand()",
      "y": "rand()"
    },
    {
      "particle": "minecraft:firefly_swamp3",
      "chance": "0.1",
      "x": "rand()", 
      "z": "rand()",
      "y": "rand()"
    },
    {
      "particle": "minecraft:firefly_swamp2",
      "chance": "0.1",
      "x": "rand()", 
      "z": "rand()",
      "y": "rand()"
    }
 ]
}