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Create degenerate triangles when inserting an edge into a CSG face. 

They will be deleted when the faces are merged, but their edges are
needed for merging faces.
This commit is contained in:
Marcel Admiraal 2020-06-29 16:40:25 +01:00
parent 3e3972db7a
commit 8e120230a1
1 changed files with 0 additions and 9 deletions
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9
modules/csg/csg.cpp
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@ -1066,15 +1066,6 @@ void CSGBrushOperation::Build2DFaces::_find_edge_intersections(const Vector2 p_s
break; break;
} }
// Don't create degenerate triangles.
Vector2 split_edge1[2] = { vertices[new_vertex_idx].point, edge_points[0] };
Vector2 split_edge2[2] = { vertices[new_vertex_idx].point, edge_points[1] };
Vector2 new_edge[2] = { vertices[new_vertex_idx].point, vertices[opposite_vertex_idx].point };
if (are_segements_parallel(split_edge1, new_edge, vertex_snap2) &&
are_segements_parallel(split_edge2, new_edge, vertex_snap2)) {
break;
}
// If opposite point is on the segemnt, add its index to segment indices too. // If opposite point is on the segemnt, add its index to segment indices too.
Vector2 closest_point = Geometry::get_closest_point_to_segment_2d(vertices[opposite_vertex_idx].point, p_segment_points); Vector2 closest_point = Geometry::get_closest_point_to_segment_2d(vertices[opposite_vertex_idx].point, p_segment_points);
if ((closest_point - vertices[opposite_vertex_idx].point).length_squared() < vertex_snap2) if ((closest_point - vertices[opposite_vertex_idx].point).length_squared() < vertex_snap2)