Unity Base Building Game Tutorial Facing Fix

Summary

In which we introduce saving and loading of our Get the Project Files unitycodemonkey.com/video.php?v=gkCBCCKeais Join the Core Invitational ... Get a mouse-over tooltip system going for our tiles so that we can see what's going on without using debugging! Turning on the Oxygen Generators! These Replacing our old way of getting a reference to "World" with a singleton-ish reference. Also, making our furniture Sprites! Sprites! Ra! Ra! Ra! Gooooooooo....SPRITES! These Implementing most of the code to have "Inventory" items (loose objects such as Adding our first "workbench" -- and the implications of doing that. These