def add_or_remove_new_edge(self, idx):
'''
- only add idx if not edge_prime
- and not currently present in selected_edges
'''
p_idx = self.edge_prime_idx
if idx == p_idx:
print(idx, 'is edge prime, not adding')
return
if (idx in self.selected_edges):
self.selected_edges.remove(idx)
del self.xvectors[idx]
else:
edge_prime = cm.coords_tuple_from_edge_idx(self.bm, p_idx)
edge2 = cm.coords_tuple_from_edge_idx(self.bm, idx)
p = cm.get_intersection(edge_prime, edge2)
if not cm.point_on_edge(p, edge_prime):
return
vert_idx_closest = cm.closest_idx(p, self.bm.edges[idx])
self.xvectors[idx] = [p, vert_idx_closest]
self.selected_edges.append(idx)
def doVTX(self):
'''
At this point we know that there is an intersection, and if it
is V, T or X.
- If both are None, then both edges are projected towards point. (V)
- If only one is None, then it's a projection onto a real edge (T)
- Else, then the intersection lies on both edges (X)
'''
print('point:', self.point)
print('edges selected:', self.idx1, self.idx2)
print('edges to use:', self.edges)
self.bm.verts.new((self.point))
earmarked = self.edges
pt = self.point
# V (projection of both edges)
if [] == earmarked:
cl_vert1 = cm.closest_idx(pt, self.bm.edges[self.idx1])
cl_vert2 = cm.closest_idx(pt, self.bm.edges[self.idx2])
add_edges(self, [cl_vert1, cl_vert2])
# X (weld intersection)
elif len(earmarked) == 2:
vector_indices = cm.vertex_indices_from_edges_tuple(self.bm, earmarked)
add_edges(self, vector_indices)
# T (extend towards)
else:
to_edge_idx = self.edges[0]
from_edge_idx = self.idx1 if to_edge_idx == self.idx2 else self.idx2
# make 3 new edges: 2 on the towards, 1 as extender
cl_vert = cm.closest_idx(pt, self.bm.edges[from_edge_idx])
to_vert1, to_vert2 = cm.vert_idxs_from_edge_idx(self.bm, to_edge_idx)
roto_indices = [cl_vert, to_vert1, to_vert2]
add_edges(self, roto_indices)
# final refresh before returning to user.
if earmarked:
remove_earmarked_edges(self, earmarked)
bmesh.update_edit_mesh(self.me, True)
def doVTX(self):
'''
At this point we know that there is an intersection, and if it
is V, T or X.
- If both are None, then both edges are projected towards point. (V)
- If only one is None, then it's a projection onto a real edge (T)
- Else, then the intersection lies on both edges (X)
'''
print('point:', self.point)
print('edges selected:', self.idx1, self.idx2)
print('edges to use:', self.edges)
self.bm.verts.new((self.point))
earmarked = self.edges
pt = self.point
# V (projection of both edges)
if [] == earmarked:
cl_vert1 = cm.closest_idx(pt, self.bm.edges[self.idx1])
cl_vert2 = cm.closest_idx(pt, self.bm.edges[self.idx2])
add_edges(self, [cl_vert1, cl_vert2])
# X (weld intersection)
elif len(earmarked) == 2:
vector_indices = cm.vertex_indices_from_edges_tuple(self.bm, earmarked)
add_edges(self, vector_indices)
# T (extend towards)
else:
to_edge_idx = self.edges[0]
from_edge_idx = self.idx1 if to_edge_idx == self.idx2 else self.idx2
# make 3 new edges: 2 on the towards, 1 as extender
cl_vert = cm.closest_idx(pt, self.bm.edges[from_edge_idx])
to_vert1, to_vert2 = cm.vert_idxs_from_edge_idx(self.bm, to_edge_idx)
roto_indices = [cl_vert, to_vert1, to_vert2]
add_edges(self, roto_indices)
# final refresh before returning to user.
if earmarked:
remove_earmarked_edges(self, earmarked)
bmesh.update_edit_mesh(self.me, True)
