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Diffstat (limited to 'mesh_extra_tools/mesh_to_wall.py')
| -rw-r--r-- | mesh_extra_tools/mesh_to_wall.py | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/mesh_extra_tools/mesh_to_wall.py b/mesh_extra_tools/mesh_to_wall.py deleted file mode 100644 index bc6c753b..00000000 --- a/mesh_extra_tools/mesh_to_wall.py +++ /dev/null @@ -1,258 +0,0 @@ -# ##### BEGIN GPL LICENSE BLOCK ##### -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License -# as published by the Free Software Foundation; version 2 -# of the License. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software Foundation, -# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. -# -# ##### END GPL LICENSE BLOCK ##### - - -bl_info = { - "name": "Mesh to wall", - "author": "luxuy_BlenderCN", - "version": (0.8), - "blender": (2, 71, 0), - "location": "View3D > EditMode > Mesh", - "description": "Make wall from single mesh lines.", - "url": "https://luxuy.github.io/BlenderAddons/Mesh-to-wall/Mesh_to_wall.html", - "category": "Mesh"} - -import bpy -import bmesh -from bpy.types import Operator -from bpy.props import FloatProperty -from math import sin, radians -from mathutils import Vector, Quaternion - - -def link_verts(bm, ver_index): - linked_verts = [] - bm.verts.ensure_lookup_table() - v = bm.verts[ver_index] - for e in v.link_edges: - linked_verts.append(e.verts[1].index) - linked_verts.append(e.verts[0].index) - - linked_verts = list(set(linked_verts) - set([ver_index])) - - return linked_verts - - -def qq_sort(bm, ver_index, vm, wm): - verts = link_verts(bm, ver_index) - pt0 = bm.verts[ver_index].co - - def ang_2d_sort(x): - pt1 = bm.verts[x].co - vec = vm * wm * pt1 - vm * wm * pt0 - vec = Vector(vec[0:2]) - ang = vec.angle_signed(Vector((1, 0))) - - if ang < 0: - return ang + 3.1415926 * 2 - else: - return ang - verts = sorted(verts, key=ang_2d_sort) - - return verts - - -def turn_left(bm, v1, v2, vm, wm): - links = [v1, v2] - - verts = qq_sort(bm, links[-1], vm, wm) - v = verts.index(links[-2]) - - if v == 0: - v_nxt = verts[-1] - else: - v_nxt = verts[v - 1] - - links.append(v_nxt) - - while not(links[-1] == links[1] and links[-2] == links[0]): - - verts = qq_sort(bm, links[-1], vm, wm) - v = verts.index(links[-2]) - if v == 0: - v_nxt = verts[-1] - else: - v_nxt = verts[v - 1] - - links.append(v_nxt) - links.pop() - - return links - - -def lp_left(bm, lp, wid, vm, wm): - size = len(lp) - up = wm.inverted() * vm.inverted() * Vector((0, 0, 1)) - lp_off = [] - faces = [] - for i in range(size - 1): - if i == 0: - pt = bm.verts[lp[i]].co - pre = bm.verts[lp[-2]].co - nxt = bm.verts[lp[1]].co - pre_ind = lp[size - 2] - nxt_ind = lp[1] - else: - bm.verts.ensure_lookup_table() - pt = bm.verts[lp[i]].co - pre = bm.verts[lp[i - 1]].co - nxt = bm.verts[lp[i + 1]].co - pre_ind = lp[i - 1] - nxt_ind = lp[i + 1] - - vec1 = pt - pre - vec2 = pt - nxt - - mid = vec1.normalized() + vec2.normalized() - if mid.length < 10e-4: - - up2 = Vector((0, 0, 1)) - mid = up2.cross(vec1) - - else: - xx = mid.cross(vec1).dot(up) - - if xx > 0: - mid.negate() - - mid.normalize() - if pre_ind == nxt_ind: - mid = (pt - pre).normalized() - q_a = Quaternion((0.0, 0.0, 1.0), radians(90.0)) - q_b = Quaternion((0.0, 0.0, 1.0), radians(-180.0)) - mid.rotate(q_a) - pt1 = pt + mid * wid - mid.rotate(q_b) - pt2 = pt + mid * wid - new_vert_1 = bm.verts.new(pt1) - new_vert_2 = bm.verts.new(pt2) - lp_off.append([new_vert_1, new_vert_2]) - else: - ang = mid.angle(pre - pt) - - vec_len = wid / (sin(ang)) - pt = pt + mid * vec_len - new_vert = bm.verts.new(pt) - lp_off.append(new_vert) - lp_off.append(lp_off[0]) - bm.verts.index_update() - for i in range(len(lp_off) - 1): - bm.verts.ensure_lookup_table() - p1 = bm.verts[lp[i]] - p2 = bm.verts[lp[i + 1]] - p3 = lp_off[i + 1] - p4 = lp_off[i] - - if isinstance(p3, list): - - faces.append((p1, p2, p3[0], p4)) - # faces.append((p3[0],p2,p3[1])) - elif isinstance(p4, list): - - faces.append((p1, p2, p3, p4[1])) - else: - faces.append((p1, p2, p3, p4)) - - return faces - - -# Operators - -class MeshtoWall(Operator): - bl_idname = "bpt.mesh_to_wall" - bl_label = "Edge(s) to Wall" - bl_description = "Top View, Extrude Flat Along Edges" - bl_options = {'REGISTER', 'UNDO'} - - wid = FloatProperty( - name='Wall width:', - default=0.1, - min=0.001, max=10 - ) - - def check_vert(self, context): - obj = bpy.context.object - if len(obj.data.vertices) <= 1: - return False - return True - - def execute(self, context): - # Note: the remove_doubles called after bmesh creation would make - # blender crash with certain meshes - keep it in mind for the future - bpy.ops.mesh.remove_doubles(threshold=0.003) # <<< Remove doubles is called from here - bpy.ops.object.mode_set(mode='OBJECT') - if self.check_vert(context): - bpy.ops.object.mode_set(mode='EDIT') - ob = bpy.context.object - - me = ob.data - bm = bmesh.from_edit_mesh(me) - bpy.ops.mesh.delete(type='ONLY_FACE') - - context.tool_settings.mesh_select_mode = (True, True, False) - - v3d = context.space_data - rv3d = v3d.region_3d - vm = rv3d.view_matrix - wm = ob.matrix_world - faces = [] - sel = [] - for v in bm.verts: - sel.append(v.index) - bpy.ops.mesh.select_all(action='DESELECT') - - for j in sel: - verts = link_verts(bm, j) - - if len(verts) > 1: - for i in verts: - lp = turn_left(bm, j, i, vm, wm) - - bpy.ops.mesh.select_all(action='DESELECT') - - faces += lp_left(bm, lp, self.wid * 0.5, vm, wm) - lp = [bm.verts[i] for i in lp] - - lp = lp[1:] - - bpy.ops.mesh.select_all(action='DESELECT') - for f in faces: - try: - bm.faces.new(f) - except: - pass - bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.003) - bm = bmesh.update_edit_mesh(ob.data, 1, 1) - else: - bpy.ops.object.mode_set(mode='EDIT') - self.report({'WARNING'}, "None or a single vertex found, cancelling the operation") - return {'CANCELLED'} - - return {'FINISHED'} - - -def register(): - bpy.utils.register_module(__name__) - - -def unregister(): - bpy.utils.unregister_module(__name__) - - -if __name__ == "__main__": - register() |