todo

• implement https://paste.rs/7i9Ra.rs
• Review PR
• Shooting an asteroid turns it into 2 smaller asteroids
• When asteroids spawn, they don't immediately kill the ship
• When something dies, it explodes
• Remove the explosions so we don't fill up memory if we play a long time
• screens
  • start
  • get ready
  • playing
  • game over
  • boss (when the boss walks in and we have to hide)
• score
  • track score in a resource
  • display score on screen
  • track high score in resource
  • display high score
  • save high score on game over
  • load high score on startup
  • update game over screen with correct score
  • get ready should show correct high score
  • when restarting game score should reset
• After destroying all asteroids, level increases
  • detect all asteroids are gone
  • increase the number of asteroids
  • switch to get ready state
• teleport ship
• rewrite collision system to use Rasmusgo's style
• ufo
  • spawn ufo x seconds into a level
  • ufo moves randomly
  • ufo fires bullets towards the current location of player
  • ufo bullets can kill player
  • ufo bullets can kill asteroids
  • ship bullets can kill ufo
• sounds
  • firing bullet
  • explosion
  • ufo
  • thrusting

• set speed of game to really fast

  • toggle speed on number key input
  • set speed
  • display speed

• toggle bot mode

• ai

  • loop
    • create population
    • for each individual
      • start a new game
      • play until it dies
    • next gen the bots
    • save the weights at the end of every gen
    • load weights from file

  All sounds created by chiptone.