Armature: convert the length Python property of bones to a RNA property.

This allows accessing it from drivers and using it in UI, as
demonstrated by adding it to the transform panel of 3D View.

As an aside, properly mark transform-related properties of Bone
read-only, as they can only be changed correctly in edit mode.

1 files changed, 0 insertions, 12 deletions

diff --git a/release/scripts/modules/bpy_types.py b/release/scripts/modules/bpy_types.py
index eca79795269..a3787506da4 100644
--- a/release/scripts/modules/bpy_types.py
+++ b/release/scripts/modules/bpy_types.py
@@ -252,18 +252,6 @@ class _GenericBone:
         return (self.head + self.tail) * 0.5
 
     @property
-    def length(self):
-        """
-        The distance from head to tail,
-        when set the head is moved to fit the length.
-        """
-        return self.vector.length
-
-    @length.setter
-    def length(self, value):
-        self.tail = self.head + ((self.tail - self.head).normalized() * value)
-
-    @property
     def vector(self):
         """
         The direction this bone is pointing.