def checkVTX(self, context):
'''
- decides VTX automatically.
- remembers edges attached to current selection, for later.
'''
# [x] if either of these edges share a vertex, return early.
indices = cm.vertex_indices_from_edges_tuple(self.bm, self.selected_edges)
if cm.duplicates(indices):
msg = "edges share a vertex, degenerate case, returning early"
self.report({"WARNING"}, msg)
return False
# [x] find which edges intersect
getVTX(self)
# [x] check coplanar, or parallel.
if [] == self.edges:
coplanar = cm.test_coplanar(self.edge1, self.edge2)
if not coplanar:
msg = "parallel or not coplanar! returning early"
self.report({"WARNING"}, msg)
return False
return True
def checkVTX(self, context):
'''
- decides VTX automatically.
- remembers edges attached to current selection, for later.
'''
# [x] if either of these edges share a vertex, return early.
indices = cm.vertex_indices_from_edges_tuple(self.bm, self.selected_edges)
if cm.duplicates(indices):
msg = "edges share a vertex, degenerate case, returning early"
self.report({"WARNING"}, msg)
return False
# [x] find which edges intersect
getVTX(self)
# [x] check coplanar, or parallel.
if [] == self.edges:
coplanar = cm.test_coplanar(self.edge1, self.edge2)
if not coplanar:
msg = "parallel or not coplanar! returning early"
self.report({"WARNING"}, msg)
return False
return True
def add_line_to_bisection(self):
obj = bpy.context.object
me = obj.data
bm = bmesh.from_edit_mesh(me)
if hasattr(bm.verts, "ensure_lookup_table"):
bm.verts.ensure_lookup_table()
bm.edges.ensure_lookup_table()
edges = [e for e in bm.edges if (e.select and not e.hide)]
if not len(edges) == 2:
msg = "select two coplanar non parallel edges"
self.report({"WARNING"}, msg)
return
[[v1, v2], [v3, v4]] = [[v.co for v in e.verts] for e in edges]
print('vectors found:\n', v1, '\n', v2, '\n', v3, '\n', v4)
dist1 = (v1-v2).length
dist2 = (v3-v4).length
bdist = min([dist1, dist2])
edge1 = (v1, v2)
edge2 = (v3, v4)
if not cm.test_coplanar(edge1, edge2):
msg = "edges must be coplanar non parallel edges"
self.report({"WARNING"}, msg)
return
# get pt and pick fartest vertex from (projected) intersections
pt = cm.get_intersection(edge1, edge2)
far1 = v2 if (v1-pt).length < (v2-pt).length else v1
far2 = v4 if (v3-pt).length < (v4-pt).length else v3
# print('intersection: ', pt)
dex1 = far1 - pt
dex2 = far2 - pt
dex1 = dex1 * (bdist / dex1.length)
dex2 = dex2 * (bdist / dex2.length)
pt2 = pt + (dex1).lerp(dex2, 0.5)
# print('bisector point:', pt2)
pt3 = pt2.lerp(pt, 2.0)
vec1 = bm.verts.new(pt2)
vec2 = bm.verts.new(pt)
vec3 = bm.verts.new(pt3)
bm.edges.new((vec1, vec2))
bm.edges.new((vec2, vec3))
bmesh.update_edit_mesh(me)
def add_line_to_bisection(self):
obj = bpy.context.object
me = obj.data
bm = bmesh.from_edit_mesh(me)
if hasattr(bm.verts, "ensure_lookup_table"):
bm.verts.ensure_lookup_table()
bm.edges.ensure_lookup_table()
edges = [e for e in bm.edges if (e.select and not e.hide)]
if not len(edges) == 2:
msg = "select two coplanar non parallel edges"
self.report({"WARNING"}, msg)
return
[[v1, v2], [v3, v4]] = [[v.co for v in e.verts] for e in edges]
print('vectors found:\n', v1, '\n', v2, '\n', v3, '\n', v4)
dist1 = (v1 - v2).length
dist2 = (v3 - v4).length
bdist = min([dist1, dist2])
edge1 = (v1, v2)
edge2 = (v3, v4)
if not cm.test_coplanar(edge1, edge2):
msg = "edges must be coplanar non parallel edges"
self.report({"WARNING"}, msg)
return
# get pt and pick fartest vertex from (projected) intersections
pt = cm.get_intersection(edge1, edge2)
far1 = v2 if (v1 - pt).length < (v2 - pt).length else v1
far2 = v4 if (v3 - pt).length < (v4 - pt).length else v3
# print('intersection: ', pt)
dex1 = far1 - pt
dex2 = far2 - pt
dex1 = dex1 * (bdist / dex1.length)
dex2 = dex2 * (bdist / dex2.length)
pt2 = pt + (dex1).lerp(dex2, 0.5)
# print('bisector point:', pt2)
pt3 = pt2.lerp(pt, 2.0)
vec1 = bm.verts.new(pt2)
vec2 = bm.verts.new(pt)
vec3 = bm.verts.new(pt3)
bm.edges.new((vec1, vec2))
bm.edges.new((vec2, vec3))
bmesh.update_edit_mesh(me)
