text: const ASTEROIDS_NUM = 5;
  const GAME_LIVES = 5;
  const FPS = 100;
  const FRICTION = 0.7;
  const LASER_DIST = 0.6;
  const LASER_EXPLODE_DUR = 0.1;
  const LASER_MAX = 10;
  const LASER_SPD = 720;
  const HIGHSCORE_KEY = "highscore";
  const ROIDS_JAG = 0.335;
  const ROIDS_PTS_LRG = 20;
  const ROIDS_PTS_MED = 50;
  const ROIDS_PTS_SML = 100;
  const ROIDS_SIZE = 100;
  const ROIDS_SPD = 160;
  const ROIDS_VERT = 10;
  const SHIP_BLINK_DUR = 0.1;
  const SHIP_EXPLODE_DUR = 0.3;
  const SHIP_INV_DUR = 1.5;
  const SHIP_SIZE = 30;
  const SHIP_THRUST = 5;
  const TURN_SPEED = 360;
  const TEXT_FADE_TIME = 2;
  const TEXT_SIZE = 40;
  