bedrock-samples/resource_pack/particles/warden_dig.particle.json

{
  "format_version": "1.10.0",
  "particle_effect": {
    "description": {
      "identifier": "minecraft:warden_dig",
      "basic_render_parameters": {
        "material": "particles_opaque",
        "texture": "atlas.terrain"
      }
    },
    "components": {
      "minecraft:emitter_rate_steady": {
        "spawn_rate": "Math.random(550, 650)",
        "max_particles": 2000
      },
      "minecraft:emitter_lifetime_once": {
        "active_time": 4.5
      },
      "minecraft:emitter_shape_point": {
        "offset": ["Math.random(-0.7, 0.7)", 0, "Math.random(-0.7, 0.7)"],
        "direction": ["Math.random(-0.5,0.5)", 1, "Math.random(-0.5,0.5)"]
      },
      "minecraft:particle_lifetime_expression": {
        "max_lifetime": "Math.random(0.1, 1.0)"
      },
      "minecraft:particle_initial_speed": "Math.random(3.0, 4.5)",
      "minecraft:particle_motion_dynamic": {
        "linear_acceleration": [0, -9.8, 0],
        "linear_drag_coefficient": 0.5
      },
      "minecraft:particle_appearance_billboard": {
        "size": ["variable.particle_random_1 * 0.0375 + 0.0375", "variable.particle_random_1 * 0.0375 + 0.0375"],
        "facing_camera_mode": "lookat_xyz",
        "uv": {
          "texture_width": 1,
          "texture_height": 1,
          "uv": ["variable.dig_particle_texture_coordinate.u + (variable.dig_particle_texture_size.u/4) * (variable.particle_random_1*3)", "variable.dig_particle_texture_coordinate.v + (variable.dig_particle_texture_size.v/4) * (variable.particle_random_2*3)"],
          "uv_size": ["variable.dig_particle_texture_size.u/4", "variable.dig_particle_texture_size.v/4"]
        }
      },
      "minecraft:particle_motion_collision": {
        "collision_drag": 8,
        "coefficient_of_restitution": 0.2,
        "collision_radius": 0.01
      },
      "minecraft:particle_appearance_lighting": {},
      "minecraft:particle_appearance_tinting": {
        "color": ["Math.clamp(variable.dig_particle_color.r, 0, 1)", "Math.clamp(variable.dig_particle_color.g, 0, 1)", "Math.clamp(variable.dig_particle_color.b, 0, 1)", "Math.clamp(variable.dig_particle_color.a, 0, 1)"]
      }
    }
  }
}