bedrock-samples/resource_pack/particles/dragon_breath_fire.json

{
  "format_version": "1.10.0",
  "particle_effect": {
    "description": {
      "identifier": "minecraft:dragon_breath_fire",
      "basic_render_parameters": {
        "material": "particles_blend",
        "texture": "textures/particle/particles"
      }
    },
    "components": {
      "minecraft:emitter_rate_instant": {
        "num_particles": 1
      },
      "minecraft:emitter_lifetime_once": {},
      "minecraft:emitter_shape_point": {
        "direction": [ "variable.actor.direction_x", "variable.actor.direction_y", "variable.actor.direction_z" ]
      },
      "minecraft:particle_initial_speed": "variable.actor.speed * 20",
      "minecraft:particle_lifetime_expression": {
        "max_lifetime": "Math.random(2.0, 3.0)"
      },
      "minecraft:particle_motion_dynamic": {
        "linear_acceleration": [ "variable.particle_age < 0.5 ? 0.0 : Math.random(-0.05, 0.05)", "variable.particle_age < 0.5 ? -9.8 : 1.0", "variable.particle_age < 0.5 ? 0.0 : Math.random(-0.05, 0.05)" ]
      },
      "minecraft:particle_motion_collision": {
        "collision_drag": 7.5,
        "coefficient_of_restitution": 0.0,
        "collision_radius": 0.5
      },
      "minecraft:particle_appearance_billboard": {
        "size": [ 0.125, 0.125 ],
        "facing_camera_mode": "rotate_xyz",
        "uv": {
          "texture_width": 128,
          "texture_height": 128,
          "flipbook": {
            "base_UV": [ 40, 0 ],
            "size_UV": [ 8, 8 ],
            "step_UV": [ 8, 0 ],
            "frames_per_second": 3,
            "max_frame": 3,
            "stretch_to_lifetime": true,
            "loop": false
          }
        }
      },
      "minecraft:particle_appearance_tinting": {
        "color": [ "Math.random(0.7176, 0.8745)", 0.0, "Math.random(0.8235, 0.9765)", 1.0 ]
      },
      "minecraft:particle_appearance_lighting": {}
    }
  }
}