code: function(game, config) {
      var particleCount = Math.floor(random.inRange(config.qtyMin, config.qtyMax));
      for (var i = 0; i < particleCount; i++) {
        var particle = game.prefabs.instantiate(game.entities, config.prefab);
        // check if origin is an entity
        var origin = config.origin;
        if (typeof config.origin === "number") {
          origin = choosePointInEntity(game, origin);
        }
  
        var randomSize = random.inRange(config.sizeMin, config.sizeMax);
        scaleEntityRect(game, particle, randomSize);
  
        centerEntityOnPoint(game, particle, origin);
  
        var velocity = random.inRange(config.velocityMin, config.velocityMax);
  
        var angle = pickAngle(config, i, particleCount);
        var velocityComponent = game.entities.addComponent(particle, "velocity");
        var direction = pointOnCircle(angle, velocity);
        velocityComponent.x = direction.x;
        velocityComponent.y = direction.y;
  
        if (config.accelerationX || config.accelerationY) {
          var accel = game.entities.addComponent(particle, "acceleration");
          accel.x = config.accelerationX;
          accel.y = config.accelerationY;
        }
        var lifeSpan = game.entities.addComponent(particle, "lifeSpan");
        lifeSpan.max = random.inRange(config.lifeSpanMin, config.lifeSpanMax);
      }
    }
docs: Create between {@link module:splat-ecs/lib/particles.Config#qtyMin qtyMin} and {@link module:splat-ecs/lib/particles.Config#qtyMax qtyMax} particles, and randomize their properties according to <code>config</code>.
  @param {object} game The <code>game</code> object that you get in systems and scripts.
  @param {module:splat-ecs/lib/particles.Config} config The settings to use to create the particles.