beautify

2018-unity-sim/Assets/Foot.cs

@@ -131,7 +131,7 @@ public class Foot : Component
         RotateY();
         RotateZ();*/
         
-        // Z and X is working. Y has problems when combined with others.
+        // the order of these rotation transformations is important!!!
         Vector3 v = new Vector3((float)X, (float)Y, (float)Z);
         v = Quaternion.Euler((float)0, (float)rotationY, (float)0) * v;
         v = Quaternion.Euler((float)rotationX, (float)0, (float)0) * v;