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Fix T54075: Align Objects fails w/ empty mesh

This commit is contained in:
Campbell Barton 2018-02-15 11:33:47 +11:00
parent 70f1b8cc40
commit 58ba89b5be
Notes: blender-bot 2023-02-14 09:34:18 +01:00 
Referenced by issue #54075, Align Objects fails with IndexError: bpy_prop_collection[-1]: out of range.
Referenced by issue #53683, 2.79a release
1 changed files with 17 additions and 17 deletions
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34
release/scripts/startup/bl_operators/object_align.py
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@ -24,7 +24,7 @@ from bpy.types import Operator
from mathutils import Vector
def GlobalBB_LQ(bb_world):
def worldspace_bounds_from_object_bounds(bb_world):
# Initialize the variables with the 8th vertex
left, right, front, back, down, up = (
@ -66,7 +66,7 @@ def GlobalBB_LQ(bb_world):
return (Vector((left, front, up)), Vector((right, back, down)))
def GlobalBB_HQ(scene, obj):
def worldspace_bounds_from_object_data(scene, obj):
matrix_world = obj.matrix_world.copy()
@ -75,20 +75,20 @@ def GlobalBB_HQ(scene, obj):
me = obj.to_mesh(scene=scene, apply_modifiers=True, settings='PREVIEW')
verts = me.vertices
val = matrix_world * verts[-1].co
val = matrix_world * (verts[-1].co if verts else Vector((0.0, 0.0, 0.0)))
left, right, front, back, down, up = (val[0],
val[0],
val[1],
val[1],
val[2],
val[2],
)
left, right, front, back, down, up = (
val[0],
val[0],
val[1],
val[1],
val[2],
val[2],
)
# Test against all other verts
for i in range(len(verts) - 1):
vco = matrix_world * verts[i].co
for v in verts:
vco = matrix_world * v.co
# X Range
val = vco[0]
@ -155,9 +155,9 @@ def align_objects(context,
for obj, bb_world in objects:
if bb_quality and obj.type == 'MESH':
GBB = GlobalBB_HQ(scene, obj)
GBB = worldspace_bounds_from_object_data(scene, obj)
else:
GBB = GlobalBB_LQ(bb_world)
GBB = worldspace_bounds_from_object_bounds(bb_world)
Left_Front_Up = GBB[0]
Right_Back_Down = GBB[1]
@ -219,9 +219,9 @@ def align_objects(context,
bb_world = [matrix_world * Vector(v[:]) for v in obj.bound_box]
if bb_quality and obj.type == 'MESH':
GBB = GlobalBB_HQ(scene, obj)
GBB = worldspace_bounds_from_object_data(scene, obj)
else:
GBB = GlobalBB_LQ(bb_world)
GBB = worldspace_bounds_from_object_bounds(bb_world)
Left_Front_Up = GBB[0]
Right_Back_Down = GBB[1]