TrimeshΒΆ
This example shows you how to load mesh files in various ways, and how to update the mesh in real-time.
from asyncio import sleep
from pathlib import Path
import numpy as np
import trimesh
from vuer import Vuer
from vuer.events import Set
from vuer.schemas import Obj, DefaultScene, TriMesh, SceneBackground
assets_folder = Path(__file__).parent / "../../../assets"
test_file = "static_3d/armadillo_midres.obj"
mesh = trimesh.load_mesh(assets_folder / test_file)
assert isinstance(mesh, trimesh.Trimesh)
mesh.apply_scale(0.1)
# from trimesh import util
with open(assets_folder / test_file, "rb") as f:
data = f.read()
text = trimesh.util.decode_text(data)
app = Vuer(static_root=assets_folder, port=8013)
print(f"Loaded mesh with {mesh.vertices.shape} vertices and {mesh.faces.shape} faces")
# use `start=True` to start the app immediately
@app.spawn(start=True)
async def main(session):
session @ Set(
DefaultScene(
SceneBackground(),
Obj(
key="src-loader",
src="http://localhost:8012/static/" + test_file,
position=[3, 0, 0],
),
Obj(key="buff-loader", buff=data, position=[1, 0, 0], scale=0.3),
Obj(
key="text-loader",
text=text,
position=[1, 0, 1],
scale=0.3,
materialType="depth",
),
TriMesh(
key="trimesh",
vertices=np.array(mesh.vertices),
faces=np.array(mesh.faces),
position=[0, 0, 0],
color="#23aaff",
materialType="depth",
),
TriMesh(
key="wireframe",
vertices=np.array(mesh.vertices),
faces=np.array(mesh.faces),
wireframe=True,
position=[-0.3, 0, 0],
color="yellow",
),
# y-up
up=[0, 1, 0],
),
)
i = 0
while True:
i += 1
x, z = 0.3 * np.sin(i / 10), 0.3 * np.cos(i / 10)
session.update @ TriMesh(
key="trimesh",
vertices=np.array(mesh.vertices),
faces=np.array(mesh.faces),
position=[x, 0, z],
color="#23aaff",
)
await sleep(0.016)