import 'dart:async'; import 'package:flutter/cupertino.dart'; import 'package:funny_letters/runner/player.dart'; import 'package:flame/collisions.dart'; import 'package:flame/components.dart'; import '../../main.dart'; mixin Bonus on CollisionCallbacks, PositionComponent { bool activated = false; @mustCallSuper Future activate(Player player) async { activated = true; } }