class Matte(Material):
def __init__(self, color):
self.ambient_brdf = Lambertian(color)
self.diffuse_brdf = Lambertian(color)
def shade(self, shading_record, world):
w_out = -shading_record.ray.direction
L = self.ambient_brdf.rho() * shading_record.ambient_light.L()
for light in shading_record.lights:
w_in = light.direction(shading_record.hit_point)
dot = shading_record.normal.dot(w_in)
if dot > 0.0:
shadow_ray = Ray(shading_record.hit_point, w_in)
if not light.is_shadowed(shadow_ray, world):
L += (self.diffuse_brdf.f() * light.L()).mult(dot)
return L
def __init__(self, color):
self.ambient_brdf = Lambertian(color)
self.diffuse_brdf = Lambertian(color)
self.specular_brdf = GlossySpecular()
def __init__(self, color):
self.ambient_brdf = Lambertian(color)
self.diffuse_brdf = Lambertian(color)
