{
  "format_version": "1.26.10",
  "particle_effect": {
    "description": {
      "identifier": "minecraft:campfire_smoke_particle",
      "basic_render_parameters": {
        "material": "particles_alpha",
        "texture": "textures/particle/campfire_smoke"
      }
    },
    "components": {
      "minecraft:emitter_lifetime_expression": {},
      "minecraft:emitter_rate_manual": {
        "max_particles": 200
      },
      "minecraft:emitter_shape_custom": {
        "direction": [
          0,
          1,
          0
        ]
      },
      "minecraft:particle_appearance_billboard": {
        "size": [
          {
            "expression": "variable.size",
            "version": 0
          },
          {
            "expression": "variable.size",
            "version": 0
          }
        ],
        "facing_camera_mode": "lookat_xyz",
        "direction": {
          "mode": "derive_from_velocity",
          "custom_direction": [
            0,
            0,
            0
          ],
          "min_speed_threshold": 0.1
        },
        "uv": {
          "texture_height": 12,
          "uv": [
            0,
            {
              "expression": "Math.floor(variable.particle_random_2 * 12)",
              "version": 0
            }
          ],
          "uv_size": [
            1,
            1
          ]
        }
      },
      "minecraft:particle_appearance_lighting": {},
      "minecraft:particle_initial_speed": {
        "expression": "Math.random(0.5, 1.0)",
        "version": 0
      },
      "minecraft:particle_initialization": {
        "per_render_expression": {
          "expression": "variable.size = 0.75 * math.pow(1.0-(variable.particle_age / variable.particle_lifetime), 0.08);",
          "version": 0
        }
      },
      "minecraft:particle_lifetime_expression": {
        "max_lifetime": 5
      },
      "minecraft:particle_motion_collision": {
        "enabled": {
          "expression": "variable.particle_age > 1",
          "version": 0
        },
        "collision_radius": 0.25,
        "events": []
      },
      "minecraft:particle_motion_dynamic": {
        "linear_acceleration": [
          0,
          0.4,
          0
        ]
      }
    }
  }
}