place holders for top and view
draw vision background
draw top background
add provisional fighter
draw preliminary fighter
introduce a common coordinate system
make the fighter sleaker
introduce a with block
configure fighter
depend on asteroids-fighter
use a real figther
introduce figther initialisation options
draw preliminary asteroids
draw asteroids
update asteroids-game dependency
update asteroids-asteroid dependency
let game size match canvas size
use entire canvas
increase frame rate
correct indent of options.js