Fix T50352: 3D-printing check misinterprates flat ngons as non-flat

Referenced by issue blender/blender#50352, 3D-printing check misinterprates flat ngons as non-flat
2017-01-11 20:56:09 +01:00 · 2017-01-11 20:56:09 +01:00 · 8c06e5c7d9 · 2023-02-14 07:18:50 +01:00
parent 2dac418a46
commit 8c06e5c7d9
1 changed files with 4 additions and 1 deletions
--- a/object_print3d_utils/operators.py
+++ b/object_print3d_utils/operators.py
@ -212,7 +212,10 @@ class Print3DCheckDistorted(Operator):
            no = ele.normal
            angle_fn = no.angle
            for loop in ele.loops:
-                if angle_fn(loop.calc_normal(), 1000.0) > angle_distort:
+                loopno = loop.calc_normal()
+                if loopno.dot(no) < 0.0:
+                    loopno.negate()
+                if angle_fn(loopno, 1000.0) > angle_distort:
                    return True
            return False