Added classes for app states
Main app state done
Added intro appstate
Added loading splash screen
Start to build height map
Minor addition
Added pause app state
Minor changes on app states
Fix an exit issue
Finished shaded pause image
Pause menu buttons functional
Added keyboard support for pause menu selection
Minor fix
Minor change, started to work on pause menu options
Minor changes
Added new skybox shader to fix skybox ambient light issue
Added skybox shader in Debug folder
Changed readme