Making progress.

Stuff done since the last update:
– prevent the player from leaving the sides of the screen
– Doors to get to the next level
– fix brush drawing to be less laggy
– Ink limits / ink bar on top
– switching ink
– WASD support
– Laser tripwires, buttons
– dying

Stuff left to do:

– Add enemies: turrets, especially
– health system
– crumbling blocks, blocks that appear/disappear with switches
– make current levels fully functional
– Pop in stealth fog and vaporizer fog
– Erase ink, create surfaces that you cant draw on
– ten more functional levels
– End game boss
– Menu stuff, end game / skip level, pause screen
– Saving progress, dialog / instructions
– sound effects, background music,