{
  "particle_emitters": [
     {
       "particle": "minecraft:walk_d",
       "chance": "(PLAYER_X >= POS_X)*(PLAYER_X <= POS_X + 1)*(PLAYER_Z >= POS_Z)*(PLAYER_Z <= POS_Z + 1)*(PLAYER_Y == POS_Y + 1)",
       "x": "0", 
       "z": "0",
       "y": "0.6"
     },
     {
      "particle": "minecraft:walk_d0",
      "chance": "(PLAYER_X >= POS_X)*(PLAYER_X <= POS_X + 1)*(PLAYER_Z >= POS_Z)*(PLAYER_Z <= POS_Z + 1)*(PLAYER_Y == POS_Y + 1)",
      "x": "0.2", 
      "z": "0.4",
      "y": "0.6"
    }
  ]
}