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Progress with some manifold stuff

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This commit is contained in:
Chris Hodapp 2019-12-09 04:43:31 +01:00
parent 87ebd4efb4
commit 4115df52ed
1 changed files with 16 additions and 7 deletions
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23
cage.py
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@ -82,7 +82,7 @@ class Cage(object):
and case 1 does not apply.
3 -- cage.verts[i] equals a vertex in self.verts.
"""
v = numpy.array((cage.shape[0],) dtype=numpy.uint8)
v = numpy.zeros((cage.verts.shape[0],), dtype=numpy.uint8)
for i,vert in enumerate(cage.verts):
# Check against every vert in self.verts:
for j,vert2 in enumerate(self.verts):
@ -91,13 +91,22 @@ class Cage(object):
break
if v[i] > 0:
continue
# Check against every edge in self.verts:
# Check against every edge of our own polygons:
for poly in self.polys():
# TODO:
# Check if 'vert' lies within some threshold of each edge
# in 'poly'.
# Note that 'poly' is cyclic - index (N-1) to 0 is an edge.
raise Exception("Not implemented")
for j,_ in enumerate(poly):
j2 = (j + 1) % len(poly)
# Find distance from 'vert' to each vertex of the edge:
d1 = numpy.linalg.norm(poly[j,:] - vert)
d2 = numpy.linalg.norm(poly[j2,:] - vert)
# Find the edge's length:
d = numpy.linalg.norm(poly[j2,:] - poly[j,:])
# These are equal if and only if the vertex lies along
# that edge:
if numpy.isclose(d, d1+d2):
v[i] = 1
break
if v[i] > 0:
break
if v[i] > 0:
continue
# Check against every *other* vert in cage.verts: