{
  "format_version": "1.10.0",
  "particle_effect": {
    "description": {
      "identifier": "minecraft:bubble_column_down_particle",
      "basic_render_parameters": {
        "material": "particles_alpha",
        "texture": "textures/particle/particles"
      }
    },
    "components": {
      "minecraft:emitter_rate_instant": {
        "num_particles": 1
      },        
      "minecraft:emitter_lifetime_once": {
      },
      "minecraft:emitter_shape_point": {
      },
      "minecraft:particle_lifetime_expression": {
        "max_lifetime": 10
      },
      "minecraft:particle_expire_if_not_in_blocks": [
        "minecraft:water",
        "minecraft:flowing_water",
        "minecraft:bubble_column"
      ],
      "minecraft:particle_motion_parametric": {
        "relative_position": [
          "0.6 * Math.cos(91.67 * variable.particle_age)", 
          "-1.0 * variable.particle_age", 
          "0.6 *Math.sin(91.67 * variable.particle_age)"
        ]
      },
      "minecraft:particle_appearance_billboard": {
        "size": [ "(0.05 * variable.particle_random_1+0.1)*(variable.particle_random_2*0.9+0.2)", "(0.05*variable.particle_random_1+0.1)*(variable.particle_random_2*0.9+0.2)" ],
        "facing_camera_mode": "lookat_xyz",
        "uv": {
          "texture_width": 128,
          "texture_height": 128,
          "uv": [ 0, 16 ],
          "uv_size": [ 8, 8 ]
        }
      },
      "minecraft:particle_appearance_lighting": {}
    }
  }
}
