blender
/
blender
129
397
Fork 571
Code Issues 6.2k Pull Requests 748 Projects 19 Wiki Activity

Add default UV coordinates for torus primitive. 

Fixes T47489.

Reviewed By: brecht
This commit is contained in:
Sebastian Witt 2016-10-01 01:54:44 +02:00 committed by Brecht Van Lommel
parent 20c6d5e3cb
commit 95fa303efd
Notes: blender-bot 2023-02-14 08:12:22 +01:00 
Referenced by issue #47489, Add a default UV map to our torus mesh primitive
1 changed files with 40 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
release/scripts/startup/bl_operators/add_mesh_torus.py
View File

@ -23,6 +23,7 @@ from bpy.types import Operator
from bpy.props import (
FloatProperty,
IntProperty,
BoolProperty,
)
from bpy.app.translations import pgettext_data as data_
@ -81,6 +82,33 @@ def add_torus(major_rad, minor_rad, major_seg, minor_seg):
return verts, faces
def add_uvs(mesh, minor_seg, major_seg):
mesh.uv_textures.new()
uv_layer = mesh.uv_layers.active
u_step = 1.0/major_seg
v_step = 1.0/minor_seg
vertex_index = 0
u = 0.5
for major_index in range(major_seg):
v = 0.5
for minor_index in range(minor_seg):
loops = mesh.polygons[vertex_index].loop_indices
if minor_index == minor_seg-1 and major_index == 0:
uv_layer.data[loops[1]].uv = (u, v)
uv_layer.data[loops[2]].uv = (u + u_step, v)
uv_layer.data[loops[0]].uv = (u, v + v_step)
uv_layer.data[loops[3]].uv = (u + u_step, v + v_step)
else:
uv_layer.data[loops[0]].uv = (u, v)
uv_layer.data[loops[1]].uv = (u + u_step, v)
uv_layer.data[loops[3]].uv = (u, v + v_step)
uv_layer.data[loops[2]].uv = (u + u_step, v + v_step)
v = (v + v_step) % 1.0
vertex_index += 1
u = (u + u_step) % 1.0
class AddTorus(Operator, object_utils.AddObjectHelper):
"""Add a torus mesh"""
bl_idname = "mesh.primitive_torus_add"
@ -145,10 +173,18 @@ class AddTorus(Operator, object_utils.AddObjectHelper):
subtype='DISTANCE',
unit='LENGTH',
)
generate_uvs = BoolProperty(
name="Generate UVs",
description="Generate a default UV map",
default=False,
)
def draw(self, context):
layout = self.layout
col = layout.column(align=True)
col.prop(self, 'generate_uvs')
col.separator()
col.prop(self, 'view_align')
col = layout.column(align=True)
@ -217,6 +253,10 @@ class AddTorus(Operator, object_utils.AddObjectHelper):
mesh.polygons.foreach_set("loop_start", range(0, nbr_loops, 4))
mesh.polygons.foreach_set("loop_total", (4,) * nbr_polys)
mesh.loops.foreach_set("vertex_index", faces)
if self.generate_uvs:
add_uvs(mesh, self.minor_segments, self.major_segments)
mesh.update()
object_utils.object_data_add(context, mesh, operator=self)