a634da6ecf
update gdd #5
52287d413c
improve ui readability #5
ffbe5dd33d
add tile types and build ui
2bc92d9580
add selection mode ui #5
989cd8f3c9
extract build mode to class #5
573eed58ab
pulsing cursor #5
511ed61eda
enter and exit build mode ui #5
e988d9b38e
change to build mode with keyboard shortcuts #5