DesktopLauncher: fix spacing
Physics.checkSpace(): @param
DetectObjectCallback (used by checkSpace) ignore wall fixture
Barrier.isBlocked(): check if barrier is blocked from closing
Level2Sensor: simplify barrier closing logic
remove ground outside of map bounds
GameObject.setRenderLayer()
Level2Spirit: fix display frozen sprite while held and update render layer
PlayerIceBullet: fix radius to be less than entity. bullet should not collide when fired alongside wall
Physics: enemyCategory: enemies should collide with each other
StationaryNPC: initialize dialogs, SwitchListener, ClearListener from 2nd constructor
changed activated access to protected
added gatekeeper dialog
Level2Sensor.getOccupancy()
Gatekeeper: check for levelClear condition