Update README.md

Author: julzerinos

README.md

@@ -1 +1,49 @@
 # Winforms Z Buffer Project
+
+## Control Set
+
+The below set of combinations of keys and functional keys (shift/ctrl) are used to control the simulation.
+
+Where applicable (in Note column), keys may be modified with the Ctrl key to increase the value of action (ie. `<selected key> + Ctrl` will perfrom the appropriate action with higher value - translation by 10 points instead of 2, etc.)
+
+**Screen/Scene Controls**
+| Key(s) | Action | Note |
+| :---   | :---  | :--- |
+| R | Refresh screen. | This action is called by default after every other action |
+| R + Ctrl | Reset scene to initial view. | - |
+| O | Decreases camera FOV by pi/12 | - |
+| P | Increases camera FOV by pi/12 | - |
+| 1 - 9 | Select the nth object in scene (numbered by programatic order - added to list) | Maximum of 9 objects are controllable with keys |
+| 0 | Select all objects | - |
+
+**Translation Controls**
+| Key(s) | Action | Note |
+| :---   | :---  | :--- |
+| Right arrow | Translates selected objects towards negative X | May be increased with Ctrl |
+| Left arrow | Translates selected objects towards positive X | May be increased with Ctrl |
+| Up arrow | Translates selected objects towards negative Y | May be increased with Ctrl |
+| Down arrow | Translates selected objects towards positive Y | May be increased with Ctrl |
+| Z | Translates selected objects towards positive Z | May be increased with Ctrl |
+| X | Translates selected objects towards negative Z | May be increased with Ctrl |
+
+**Rotation Controls**
+| Key(s) | Action | Note |
+| :---   | :--- | :--- |
+| A | Rotates selected objects around positive origin Y | May be increased with Ctrl |
+| A + Shift | Rotates selected objects around positive local Y | May be increased with Ctrl |
+| D | Rotates selected objects around negative origin Y | May be increased with Ctrl |
+| D + Shift | Rotates selected objects around negative local Y | May be increased with Ctrl |
+| Q | Rotates selected objects around positive origin Z | May be increased with Ctrl |
+| Q + Shift | Rotates selected objects around positive local Z | May be increased with Ctrl |
+| E | Rotates selected objects around negative origin Z | May be increased with Ctrl |
+| E + Shift | Rotates selected objects around negative local Z | May be increased with Ctrl |
+| W | Rotates selected objects around negative origin X | May be increased with Ctrl |
+| W + Shift | Rotates selected objects around negative local X | May be increased with Ctrl |
+| S | Rotates selected objects around positive origin X | May be increased with Ctrl |
+| S + Shift | Rotates selected objects around positive local X | May be increased with Ctrl |
+
+**Scale Controls**
+| Key(s) | Action | Note |
+| :---   | :---  | --- |
+| . | Upscales selected objects | May be increased with Ctrl |
+| , | Downscales selected objects | May be increased with Ctrl |