def create_scene(clipping_planes, clipping_mode):
maxsize = 221
scene = gfx.Scene()
for n in range(20, maxsize, 50):
material = gfx.MeshPhongMaterial(
color=(n / maxsize, 1, 0, 1),
clipping_planes=clipping_planes,
clipping_mode=clipping_mode,
)
geometry = gfx.box_geometry(n, n, n)
cube = gfx.Mesh(geometry, material)
scene.add(cube)
return scene
Example showing multiple rotating cubes. This also tests the depth buffer.
"""
import imageio
from wgpu.gui.auto import WgpuCanvas, run
import pygfx as gfx
canvas = WgpuCanvas()
renderer = gfx.renderers.WgpuRenderer(canvas)
scene = gfx.Scene()
im = imageio.imread("imageio:chelsea.png")
tex = gfx.Texture(im, dim=2).get_view(filter="linear")
material = gfx.MeshBasicMaterial(map=tex)
geometry = gfx.box_geometry(100, 100, 100)
cubes = [gfx.Mesh(geometry, material) for i in range(8)]
for i, cube in enumerate(cubes):
cube.position.set(350 - i * 100, 0, 0)
scene.add(cube)
background = gfx.Background(None,
gfx.BackgroundMaterial((0, 1, 0, 1), (0, 1, 1, 1)))
scene.add(background)
camera = gfx.PerspectiveCamera(70, 16 / 9)
camera.position.z = 500
def animate():
for i, cube in enumerate(cubes):
# todo: if we have per-vertex coloring, we can paint on the mesh instead :D
import numpy as np
import imageio
from wgpu.gui.auto import WgpuCanvas, run
import pygfx as gfx
canvas = WgpuCanvas()
renderer = gfx.renderers.WgpuRenderer(canvas)
scene = gfx.Scene()
im = imageio.imread("imageio:astronaut.png").astype(np.float32) / 255
tex = gfx.Texture(im, dim=2).get_view(filter="linear", address_mode="repeat")
geometry = gfx.box_geometry(200, 200, 200)
material = gfx.MeshBasicMaterial(map=tex)
cube = gfx.Mesh(geometry, material)
cube.position.x += 150
scene.add(cube)
torus = gfx.Mesh(gfx.torus_knot_geometry(100, 20, 128, 32),
gfx.MeshPhongMaterial())
torus.position.x -= 150
scene.add(torus)
camera = gfx.PerspectiveCamera(70, 16 / 9)
camera.position.z = 400
@canvas.add_event_handler("pointer_down")
scene = gfx.Scene()
# Create cubemap texture
tex_size = width, height, 6
tex = gfx.Texture(im, dim=2, size=tex_size)
view = tex.get_view(view_dim="cube", layer_range=range(6))
# And the background image with the cube texture
background = gfx.Background(None, gfx.BackgroundImageMaterial(map=view))
scene.add(background)
# Let's add some cubes to make the scene less boring
cubes = []
for pos in (-600, 0, -600), (-600, 0, +600), (+600, 0, -600), (+600, 0, +600):
clr = (0.5, 0.6, 0.0, 1.0)
cube = gfx.Mesh(gfx.box_geometry(200, 200, 200),
gfx.MeshPhongMaterial(color=clr))
cube.position.from_array(pos)
cubes.append(cube)
scene.add(cube)
camera = gfx.PerspectiveCamera(70)
camera.scale.y = -1
camera.position.z = 0
def animate():
rot = gfx.linalg.Quaternion().set_from_euler(gfx.linalg.Euler(0.01, 0.02))
for cube in cubes:
cube.rotation.multiply(rot)
import pygfx as gfx
# First create the subscene, that reders into a texture
texture1 = gfx.Texture(dim=2, size=(200, 200, 1), format="rgba8unorm")
renderer1 = gfx.renderers.WgpuRenderer(texture1)
scene1 = gfx.Scene()
background1 = gfx.Background(None, gfx.BackgroundMaterial((0, 0.5, 0, 1)))
scene1.add(background1)
im = imageio.imread("imageio:bricks.jpg").astype(np.float32) / 255
tex = gfx.Texture(im, dim=2).get_view(filter="linear", address_mode="repeat")
geometry1 = gfx.box_geometry(200, 200, 200)
material1 = gfx.MeshPhongMaterial(map=tex, color=(1, 1, 0, 1.0))
cube1 = gfx.Mesh(geometry1, material1)
scene1.add(cube1)
camera1 = gfx.PerspectiveCamera(70, 16 / 9)
camera1.position.z = 300
# Then create the actual scene, in the visible canvas
canvas2 = WgpuCanvas()
renderer2 = gfx.renderers.WgpuRenderer(canvas2)
scene2 = gfx.Scene()
renderer = gfx.renderers.WgpuRenderer(canvas)
# Prepare a very small data volume. The data is integer and not uint8,
# so its not interpolated (a wgpu restriction). In this case this is intended.
voldata = np.ones((3, 3, 3), np.int16) * 200
voldata[1:-1, :, :] = 600
voldata[:, 1:-1, :] = 600
voldata[:, :, 1:-1] = 600
voldata[1, 1, 1] = 800
# Create a texture, (wrapped in a geometry) for it
geo = gfx.Geometry(grid=gfx.Texture(voldata, dim=3))
# Prepare two 3x3x3 boxes to indicate the proper position
box1 = gfx.Mesh(
gfx.box_geometry(3.1, 3.1, 3.1),
gfx.MeshBasicMaterial(color=(1, 0, 0, 1), wireframe=True, wireframe_thickness=2),
)
box2 = gfx.Mesh(
gfx.box_geometry(3.1, 3.1, 3.1),
gfx.MeshBasicMaterial(color=(0, 1, 0, 1), wireframe=True, wireframe_thickness=2),
)
# In scene1 we show a raycasted volume
scene1 = gfx.Scene()
vol = gfx.Volume(geo, gfx.VolumeRayMaterial(clim=(0, 2000)))
vol.position.set(-1, -1, -1)
scene1.add(vol, box1)
# In scene2 we show volume slices
scene2 = gfx.Scene()