free and open source game

• get bullets calling callbacks on collision with things based on type
• have a handful of different ship types
• make a way to lose
• come up with level paradigm
• add lives and game overing
• clean up the registration of entities to a scene
• move the zoomy bits to transitions between levels
• maybe a little starting launch from earth thing
• get more planets in the background
• add camera shake because fuck you
• decouple the shape and body in collidable entities

• rearchitect to not be a single file
• get some physics engine in
• sprite rendering
• walls around the field