Improved terrain including mountains
Improved prioritizing of terrain chunks for render (nearest to camera first, spiraling out)
Chunks 2x render distance from camera will automatically despawn
Despawning chunks that are still rendering or generating will abort render or generation
"Menu" screen accessible through ESC, releasing mouse (ability to full-screen the window), ESC again will exit game
Removing unused classes
Toggling HUD with F3 key
Spawning camera at 3 above starting X/Z/Y position
Adding depth fog
Adding crosshairs to HUD
Rendering game screen in grayscale when paused