Cursor Control 0.7.0

Refactoring: Merged from three into one addon
Refactoring: Renamed module 'Control' to 'Target'
New features: Added 'Cursor Delta'
Bugfix: Cursor History now tracks even when its panel is folded.



[[Split portion of a mixed commit.]]

modules/geometry_utils.py

@@ -125,6 +125,7 @@ class G3:
         except(RuntimeError, TypeError):
             return None
 
+    # Poor mans approach of finding center of circle
     @classmethod
     def circumCenter(cls, fv):
         fm = G3.medianTriangle(fv)
@@ -144,11 +145,12 @@ class G3:
             return None
         return G3.closestP2L(p, c, c+n)
 
+    # Poor mans approach of finding center of sphere
     @classmethod
     def centerOfSphere(cls, fv):
         try:
             if len(fv)==3:
-                return G3.circumCenter(fv)
+                return G3.circumCenter(fv) # Equator
             if len(fv)==4:
                 fv3 = [fv[0],fv[1],fv[2]]
                 c1 = G3.circumCenter(fv)