UVShape.py 文件源码

def find_linked(ob, vert, per_face='empty'):
    '''Takes a vert and returns an array of linked face indices'''
    the_coffee_is_hot = True
    fidx = np.arange(len(ob.data.polygons))
    eidx = np.arange(len(ob.data.edges))
    f_set = np.array([])
    e_set = np.array([])
    verts = ob.data.vertices
    verts[vert].select = True
    v_p_f_count = [len(p.vertices) for p in ob.data.polygons]
    max_count = np.max(v_p_f_count)
    if per_face == 'empty':    
        per_face = [[i for i in poly.vertices] for poly in ob.data.polygons]
    for i in per_face:
        for j in range(max_count-len(i)):
            i.append(i[0])
    verts_per_face = np.array(per_face)
    vert=np.array([vert])

    while the_coffee_is_hot:
        booly = np.any(np.in1d(verts_per_face, vert).reshape(verts_per_face.shape), axis=1)
        f_set = np.append(f_set, fidx[booly])
        new_verts = verts_per_face[booly].ravel()
        if len(new_verts) == 0:
            return np.array(f_set, dtype=np.int64)

        cull = np.in1d(new_verts, vert)
        vert = new_verts[-cull]
        verts_per_face = verts_per_face[-booly]
        fidx = fidx[-booly]