Finish

Rendering function

from fdray import *


def render(finish1, finish2, finish3):
    checker = Pigment("checker", Color("white"), Color("gray")).scale(0.1)
    sphere = Sphere((0, 0, 0), 0.4, Color((1, 1, 0.5)))
    return Scene(
        Camera(0, 20, view_scale=1.2),
        LightSource((1, 120, 45), "white"),
        Plane((1, 0, 0), -0.5, checker),
        Plane((0, 0, 1), -0.5, checker),
        sphere.translate(0, -1, 0).add(finish1),
        sphere.add(finish2),
        sphere.translate(0, 1, 0).add(finish3),
    ).render(600, 300)

Ambient

render(
    Finish(ambient=0.1),  # default
    Finish(ambient=0.3),
    Finish(ambient=0.5),
)

render(
    Finish(ambient=0.1),  # default
    Finish(ambient=Color("red")),
    Finish(ambient=(0, 0, 1)),
)

Emission

render(
    Finish(emission=0.1),  # defaut
    Finish(emission=0.3),
    Finish(emission=0.5),
)

render(
    Finish(emission=0.1),  # defaut
    Finish(emission=Color("red")),
    Finish(emission=(0, 0, 1)),
)

Diffuse

render(
    Finish(diffuse=0.3),
    Finish(diffuse=0.6),  # default
    Finish(diffuse=0.9),
)

Brilliance

render(
    Finish(brilliance=1),  # default
    Finish(brilliance=3),
    Finish(brilliance=5),
)

Phong

render(
    Finish(phong=0),  # default
    Finish(phong=0.3),
    Finish(phong=1),
)

render(
    Finish(phong=1, phong_size=20),
    Finish(phong=1, phong_size=40),  # default
    Finish(phong=1, phong_size=80),
)

Specular

render(
    Finish(specular=0),  # default
    Finish(specular=0.5),
    Finish(specular=1),
)

Roughness

render(
    Finish(specular=1, roughness=0.01),
    Finish(specular=1, roughness=0.05),  # default
    Finish(specular=1, roughness=0.1),
)

Metallic

render(
    Finish(specular=1, metallic=0),
    Finish(specular=1, metallic=0.5),
    Finish(specular=1, metallic=1),  # default
)

Reflection

render(
    Finish(reflection=0),  # default
    Finish(reflection=0.3),
    Finish(reflection=1),
)

render(
    Finish(reflection=0),  # default
    Finish(reflection=Color("red")),
    Finish(reflection=(0, 0, 1)),
)