edit_mesh.py 文件源码

def clean_verts(bm,obj):
    ### find corrupted faces
    faces = []     
    for face in bm.faces:
        i = 0
        for edge in face.edges:
            if not edge.is_manifold:
                i += 1
            if i == len(face.edges):
                faces.append(face)           
    bmesh.ops.delete(bm,geom=faces,context=5)

    edges = []
    for face in bm.faces:
        i = 0
        for vert in face.verts:
            if not vert.is_manifold and not vert.is_boundary:
                i+=1
            if i == len(face.verts):
                for edge in face.edges:
                    if edge not in edges:
                        edges.append(edge)
    bmesh.ops.collapse(bm,edges=edges)

    bmesh.update_edit_mesh(obj.data)
    for vert in bm.verts:
        if not vert.is_boundary:
            vert.select = False

    verts = []
    for vert in bm.verts:
        if len(vert.link_edges) in [3,4] and not vert.is_boundary:
            verts.append(vert)
    bmesh.ops.dissolve_verts(bm,verts=verts)
    bmesh.update_edit_mesh(obj.data)