Colour - Visuals

>>> import colour_visuals
>>> import numpy as np
>>> import pygfx as gfx
>>> from wgpu.gui.auto import WgpuCanvas, run

>>> canvas = WgpuCanvas(size=(960, 540))
>>> renderer = gfx.renderers.WgpuRenderer(canvas)
>>> camera = gfx.PerspectiveCamera(50, 16 / 9)
>>> controller = gfx.OrbitController(camera)
>>> controller.register_events(renderer)

>>> scene = gfx.Scene()
>>> scene.add(
...     gfx.Background(
...         None, gfx.BackgroundMaterial(np.array([0.18, 0.18, 0.18]))
...     )
... )

>>> visuals = [
...     colour_visuals.VisualGrid(size=2),
...     colour_visuals.VisualChromaticityDiagramCIE1931(
...         kwargs_visual_chromaticity_diagram={"opacity": 0.25}
...     ),
...     colour_visuals.VisualRGBColourspace2D("ACEScg"),
...     colour_visuals.VisualRGBColourspace2D(
...         "Display P3", colours=np.array([0.5, 0.5, 0.5])
...     ),
...     colour_visuals.VisualRGBColourspace3D(
...         "Display P3", opacity=0.5, wireframe=True
...     ),
...     colour_visuals.VisualRGBScatter3D(
...         np.random.random([24, 32, 3]), "ACEScg"
...     ),
... ]

>>> group = gfx.Group()
>>> for visual in visuals:
...     group.add(visual)
...
>>> scene.add(group)

>>> camera.local.position = np.array([-0.25, -0.5, 2])
>>> camera.show_pos(np.array([1 / 3, 1 / 3, 0.4]))

>>> canvas.request_draw(lambda: renderer.render(scene, camera))
>>> run()