How to shoot? I can't figure it out. Perhaps made harder by typing on Colemak. Edit: OK, spacebar shoots, but it's hard to see the cannons flying due to low co

How to shoot? I can't figure it out. Perhaps made harder by typing on Colemak. Edit: OK, spacebar shoots, but it's hard to see the cannons flying due to low contrast. And it shoots in the direction of the enemy.