Emmett Lalishandpca006132
954df798b2
* merging * mostly working * implemented, but crashes * runs serially * fix compile issues * fixed empty meshes * fix parallel error dumping * fixed parallelization * fix compiler * run black * improved triangulation * remove unreferenced verts * addressing feedback --------- Co-authored-by: pca006132 <john.lck40@gmail.com>
58 lines
1.6 KiB
Python
58 lines
1.6 KiB
Python
"""
|
|
Copyright 2023 The Manifold Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
https://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
"""
|
|
|
|
import math
|
|
import numpy as np
|
|
from manifold3d import Manifold
|
|
|
|
|
|
def gyroid(x, y, z):
|
|
xi = x - math.pi / 4.0
|
|
yi = y - math.pi / 4.0
|
|
zi = z - math.pi / 4.0
|
|
return (
|
|
math.cos(xi) * math.sin(yi)
|
|
+ math.cos(yi) * math.sin(zi)
|
|
+ math.cos(zi) * math.sin(xi)
|
|
)
|
|
|
|
|
|
def gyroid_levelset(level, period, size, n):
|
|
return Manifold.level_set(
|
|
gyroid,
|
|
[-period, -period, -period, period, period, period],
|
|
period / n,
|
|
level,
|
|
).scale([size / period] * 3)
|
|
|
|
|
|
def rhombic_dodecahedron(size):
|
|
box = Manifold.cube(size * math.sqrt(2.0) * np.array([1, 1, 2]), True)
|
|
result = box.rotate([90, 45, 0]) ^ box.rotate([90, 45, 90])
|
|
return result ^ box.rotate([0, 0, 45])
|
|
|
|
|
|
def gyroid_module(size=20, n=15):
|
|
period = math.pi * 2.0
|
|
result = (
|
|
gyroid_levelset(-0.4, period, size, n) ^ rhombic_dodecahedron(size)
|
|
) - gyroid_levelset(0.4, period, size, n)
|
|
return result.rotate([-45, 0, 90]).translate([0, 0, size / math.sqrt(2.0)])
|
|
|
|
|
|
def run(size=20, n=15):
|
|
return gyroid_module(size, n)
|