Update README.md

made some basic documentation for the voxel engine

README.md

@@ -3,4 +3,25 @@ Mandelcraft
 
 mandel.js is a script for use with WorldEdit.  Simply install it in the plugins\WorldEdit\craftscripts folder for your Minecraft server, and badabing, badaboom - fractals at your fingertips.
 
-Documentation is not yet complete, as this is still pretty beta.  If you have any questions feel free to shoot me a message on the Github or on one of the many forums I am a member of.
+Documentation is not yet complete, as this is still pretty beta.  If you have any questions feel free to shoot me a message on the Github or on one of the many forums I am a member of.
+
+
+Voxel Engine
+============
+
+This is a voxel engine made in Java that uses software raycasting.  You can compile and run it using Eclipse.  Right now it's pretty hacked together, so yeah.
+
+**Controls:**
+W   Move forward
+A   Move left
+D   Move right
+S   Move backward
+E   Rise
+Q   Fall
+J   Rotate left
+L   Rotate right
+I   Rotate up
+K   Rotate down
++   Increase pixel size (reduce quality)
+-   Decrease pixel size (increase quality)
+C   Capture screenshot