{
  "format_version": "1.10.0",
  "particle_effect": {
    "description": {
      "identifier": "krep:556shell",
      "basic_render_parameters": {
        "material": "particles_blend",
        "texture": "textures/particles/556shell"
      }
    },
    "components": {
      "minecraft:emitter_rate_instant": {
        "num_particles": 1
      },
      "minecraft:emitter_lifetime_once": {
        "active_time": 1
      },
      "minecraft:emitter_shape_point": {
        "direction": [
          "-Math.random(4, 5)",
          "-Math.random(0.5, 2)",
          "Math.random(0.2, 0.4)"
        ]
      },
      "minecraft:particle_lifetime_expression": {
        "max_lifetime": 2
      },
      "minecraft:particle_initial_spin": {
        "rotation": "Math.random(-180, 180)",
        "rotation_rate": 0
      },
      "minecraft:particle_initial_speed": "Math.random(3.5, 4.5)",
      "minecraft:particle_motion_dynamic": {
        "linear_acceleration": [
          0,
          -10,
          0
        ]
      },
      "minecraft:particle_appearance_billboard": {
        "size": [
          0.075,
          0.075
        ],
        "facing_camera_mode": "rotate_xy",
        "uv": {
          "texture_width": 16,
          "texture_height": 16,
          "uv": [
            0,
            0
          ],
          "uv_size": [
            16,
            16
          ]
        }
      },
      "minecraft:particle_motion_collision": {
        "collision_drag": 5,
        "coefficient_of_restitution": 0.1,
        "collision_radius": 0.1
      },
      "minecraft:particle_appearance_lighting": {}
    }
  }
}