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Small hacky tweak to fix more triangulation issues

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This commit is contained in:
Grant Sanderson
2021-02-03 17:52:11 -08:00
parent f13c41bcbb
commit 1727d4b86a
1 changed files with 8 additions and 2 deletions
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10
manimlib/utils/space_ops.py
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@ -382,12 +382,18 @@ def earclip_triangulation(verts, ring_ends):
for ring_group in (attached_rings, detached_rings) for ring_group in (attached_rings, detached_rings)
] ]
# Closet point on the atttached rings to the first point # Closet point on the atttached rings to an estimated midpoint
# of the detached rings # of the detached rings
i = min(i_range, key=lambda i: norm_squared(verts[i] - verts[j_range[0]])) tmp_j_vert = midpoint(
verts[j_range[0]],
verts[j_range[len(j_range) // 2]]
)
i = min(i_range, key=lambda i: norm_squared(verts[i] - tmp_j_vert))
# Closet point of the detached rings to the aforementioned # Closet point of the detached rings to the aforementioned
# point of the attached rings # point of the attached rings
j = min(j_range, key=lambda j: norm_squared(verts[i] - verts[j])) j = min(j_range, key=lambda j: norm_squared(verts[i] - verts[j]))
# Recalculate i based on new j
i = min(i_range, key=lambda i: norm_squared(verts[i] - verts[j]))
# Remember to connect the polygon at these points # Remember to connect the polygon at these points
loop_connections[i] = j loop_connections[i] = j