pseudocode.txt

character
  moving
  jumping
  shooting
  biting

platforms
  collision
    enemies
    ground
    shooty-uppy things
  moving
  breakables

background
  changing levels
  scrolling with cat
  following player

enemies
  chester
  nano-meleon
  baby-meleons
  nano-ants
  nano-queen

Two lists:
  Colliders
  Entities

Main game loop:
  process_input()
  update_player()
  update_enemies()
  update_physics()
  render()

update_physics():
  for each entity:
    step()
    collide()

update_player():
  update_cooldowns()
  update_direction()
  if shooting and can_shoot:
    shoot()
  else if biting and can_bite:
    bite()

shoot():
  create_bullet()
  shooting_cooldown = cd

bite():
  create_teeth()
  biting_cooldown = cd