=== TODO
- move "trader" references to "merchant"
- add anti-aliasing
- debug why random seed doesn't work as expected
- make drawn lines centered on rotation point
- fix starting tail on lasers
- consider having auto-remove function on Asset
- destroy boarding party ship on several collisions
=== ImageMagick reference convert in.gif -layers Coalesce -resize 980x725 -layers Optimize out.gif convert input.gif -coalesce -repage 0x0 -crop WxH+X+Y +repage output.gif