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API > API/Runtime > API/Runtime/GeometryCore > API/Runtime/GeometryCore/DynamicMesh > API/Runtime/GeometryCore/DynamicMesh/FDynamicMesh3 > API/Runtime/GeometryCore/DynamicMesh/FDynamicMesh3/FCollapseEdgeOptions
Syntax
bool bAllowHoleCollapse
Remarks
When false, collapse is disallowed if the edge is the boundary of a single triangle hole, such that collapsing it would clse the hole. I.e. collapse is dissallowed if there is some vertex that connects vKeep and vRemove that is not part of the triangle(s) being collapsed (note that if such a vertex is connected by a non-boundary edge, collapse will always be disallowed regardless of bAllowHoleCollapse, as it would create non-manifold geometry).