yield sphere(center, 0.2, material)
yield from [
sphere((0, 1, 0), 1, dielectric(1.5)),
sphere((-4, 1, 0), 1, matte((.4, .2, .1))),
sphere((4, 1, 0), 1, metallic((.7, .6, .5))),
]
def scene():
seed(0xDEADBEEF)
ground = sphere((0, -1000, 0), 1000, metallic((0.5, 0.5, 0.5)))
return [bvh_node(spheres()), ground]
def config(spx):
return {
'width': 600,
'height': 450,
'samples_per_px': spx,
'rays_per_sample': 50,
'ambiant_color': (0.5, 0.7, 0.9),
'camera': {
'look_at': (0, 0, 0),
'look_from': (10, 2, 4),
},
}
render(scene(), **config(25))
spheres = [
sphere(
center=(-50 + i * 50, 20, 0),
radius=20,
material=matte(color),
) for i, color in enumerate((red, green, blue))
]
ground = sphere(
center=(0, -1000, 0),
radius=1000,
material=metallic(white),
)
return spheres + [ground]
def config(spx):
return {
'samples_per_px': spx,
'ambiant_color': (0.5, 0.7, 0.9),
'camera': {
'look_at': (0, 0, 0),
'look_from': (150, 100, 200),
}
}
render(scene(), **config(100))
rect(y=(0, 600), z=(-1000, 600), x=600,
material=matte(red)).flip_normals(),
rect(y=(0, 600), z=(-1000, 600), x=0, material=dielectric(1.5)),
# ceiling + light
rect(x=(0, 600), z=(-1000, 600), y=600,
material=matte(white)).flip_normals(),
rect(x=(100, 500), z=(100, 900), y=599, material=diffuse_color((7, 7, 7))),
# floor
rect(x=(0, 600), z=(-1000, 600), y=0, material=matte(green)),
# front
rect(x=(0, 600), y=(0, 600), z=600, material=matte(white)).flip_normals(),
# back
rect(x=(0, 600), y=(0, 600), z=-1000, material=matte(white)),
]
config = {
"width": 400,
"height": 400,
"samples_per_px": 30,
"rays_per_sample": 10,
"ambiant_color": (0, 0, 0),
"camera": {
'look_at': (300, 300, 0),
'look_from': (300, 300, -800)
}
}
render(cornell_box + spheres, **config)