fixed tiled name symmetry parsing for xml, added tutorial to readme.md

README.md

@@ -2,8 +2,18 @@
 
 A fork of [https://github.com/mxgmn/WaveFunctionCollapse](https://github.com/mxgmn/WaveFunctionCollapse) with tools for the Unity Game engine.
 
+# Installation
+
+Clone this repo under your projets `Assets` directory, or import a unity package asset from
+[http://selfsame.itch.io/unitywfc](http://selfsame.itch.io/unitywfc).
+
 # Usage
 
+## video tutorial
+
+[https://www.youtube.com/watch?v=CTJJrC3BAGM](https://www.youtube.com/watch?v=CTJJrC3BAGM)
+
+
 ## Training
 
 Training components define sample data from their child objects.  The contained objects must have a prefab connection. Rotation of objects are recorded.  The OverlapWFC component will auto compile it's training on Start, in editor mode you will need to use the `compile` button.  

Training.cs

@@ -59,7 +59,7 @@ class Training : MonoBehaviour{
 				counts[o] = 1;
 				string assetpath = AssetPath(o);
 				string sym = "X";
-				string last = assetpath.Substring(o.name.Length - 1);
+				string last = assetpath.Substring(assetpath.Length - 1);
 				if (last == "X" || last == "I" || last == "L" || last == "T" || last == "/"){
 					sym = last;
 				}