tetrahedron_fractal.py 文件源码

def recursiveTetrahedron(bm, points, level=0):
    subTetras = []
    for i in range(len(points)):
        p0 = points[i]
        pK = points[:i] + points[i + 1:]
        subTetras.append([p0] + [(p0 + p)/2 for p in pK])

    if 0 < level:
        for subTetra in subTetras:
            recursiveTetrahedron(bm, subTetra, level-1)
    else:
        for subTetra in subTetras:
            verts = [bm.verts.new(p) for p in subTetra]
            faces = [bm.faces.new(face) for face in itertools.combinations(verts, 3)]
            bmesh.ops.recalc_face_normals(bm, faces=faces)