Nice! I was expecting to be fighting other ships based on the description so it took me a minute to realize the point was to shoot asteroids. I really like the concept and the story. Not sure if it's intentional or not that you can shoot the resources and destroy them, but was confused at first whether they were projectiles that would hurt me or if they were meant to be touched. I'd suggest tweaking movement, it didn't feel quite right and the resources moved to fast in different directions to collect. (i'm guessing the future will bring speed/movement upgrades to make that easier? if so, then awesome, it's good as-is) Background parallax effect was awesome, really well done changing based on your direction. For the lasers, maybe try adding player velocity to the projectile velocity so that they don't just hang out on your ship if you fire while moving.
Well done!