'drawImage' of undefined
background.js:2 Uncaught TypeError: Cannot read property 'drawImage' of undefined
at drawBackground (background.js:2)
at gameLoop (main.js:44)
at game (main.js:16)
drawBackground @ background.js:2
gameLoop @ main.js:44
game @ main.js:16
load (async)
(anonymous) @ main.js:14