{
  "format_version": "1.10.0",
  "particle_effect": {
    "description": {
      "identifier": "mw:12_7mm_smoke",
      "basic_render_parameters": {
        "material": "particles_blend",
        "texture": "textures/particle/mw_12_7mm_smoke"
      }
    },
    "components": {
      "minecraft:emitter_rate_instant": {
        "num_particles": 1.0
      },
      "minecraft:emitter_lifetime_once": {
        "active_time": 0.1
      },
      "minecraft:emitter_shape_point": {
        "offset": [
          0.0,
          0.0,
          -0.25
        ],
        "direction": [
          "Math.random(-1,1)",
          "Math.random(-1, 1)",
          "Math.random(-0.75, 0.3)"
        ]
      },
      "minecraft:particle_lifetime_expression": {
        "max_lifetime": 0.2
      },
      "minecraft:particle_initial_spin": {
        "rotation_rate": "math.random(600,-600)"
      },
      "minecraft:particle_initial_speed": "Math.random(10,100)",
      "minecraft:particle_motion_dynamic": {
        "linear_drag_coefficient": 29.0
      },
      "minecraft:particle_appearance_billboard": {
        "size": [
          "0.3 + variable.particle_random_1*0.3",
          "0.3 + variable.particle_random_1*0.3"
        ],
        "facing_camera_mode": "rotate_xyz",
        "uv": {
          "texture_width": 64,
          "texture_height": 61,
          "uv": [
            0,
            0
          ],
          "uv_size": [
            64,
            61
          ]
        }
      },
      "minecraft:particle_appearance_lighting": {},
      "minecraft:particle_appearance_tinting": {
        "color": {
          "gradient": {
            "0.0": "#21FFFFFF",
            "1.0": "#00FFFFFF",
            "0.67": "#ffffffff"
          },
          "interpolant": "v.particle_age / v.particle_lifetime"
        }
      }
    }
  }
}