[Bf-extensions-cvs] [4b44a84] master: Partial fix for T44469: Do not fail because of division by zero.
Bastien Montagne
noreply at git.blender.org
Thu Jun 4 13:42:44 CEST 2015
Commit: 4b44a84b7cd40a12525ac0db8271f2da119f3758
Author: Bastien Montagne
Date: Thu Jun 4 13:40:21 2015 +0200
Branches: master
https://developer.blender.org/rBA4b44a84b7cd40a12525ac0db8271f2da119f3758
Partial fix for T44469: Do not fail because of division by zero.
This only fixes the 'symptoms', root of the issue here is that we get
a weird covariance matrix - Blender's own invert function errors on it,
this script's matrix_invert func does give some result, but in any case
final result is not what one would expect...
===================================================================
M mesh_looptools.py
===================================================================
diff --git a/mesh_looptools.py b/mesh_looptools.py
index 49a26c4..1acd7a9 100644
--- a/mesh_looptools.py
+++ b/mesh_looptools.py
@@ -19,7 +19,7 @@
bl_info = {
"name": "LoopTools",
"author": "Bart Crouch",
- "version": (4, 6, 5),
+ "version": (4, 6, 6),
"blender": (2, 72, 2),
"location": "View3D > Toolbar and View3D > Specials (W-key)",
"warning": "",
@@ -260,15 +260,14 @@ def calculate_plane(bm_mod, loop, method="best_fit", object=False):
if not normal:
# warning! this is different from .normalize()
itermax = 500
- iter = 0
- vec = mathutils.Vector((1.0, 1.0, 1.0))
- vec2 = (mat * vec)/(mat * vec).length
- while vec != vec2 and iter<itermax:
- iter+=1
+ vec2 = mathutils.Vector((1.0, 1.0, 1.0))
+ for i in range(itermax):
vec = vec2
vec2 = mat * vec
if vec2.length != 0:
vec2 /= vec2.length
+ if vec2 == vec:
+ break
if vec2.length == 0:
vec2 = mathutils.Vector((1.0, 1.0, 1.0))
normal = vec2
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