from raytracer.tuples import Point, Color
if __name__ == '__main__':
ray_origin = Point(0, 0, -5)
wall_z = 10
wall_size = 7.0
canvas_pixels = 100
pixel_size = wall_size / canvas_pixels
half = wall_size / 2
canvas = Canvas(canvas_pixels, canvas_pixels)
red = Color(1, 0, 0)
sphere = Sphere()
m = Material()
m.color = Color(1, 0.2, 1)
sphere.material = m
light = PointLight(Point(-10, 10, -10), Color(1, 1, 1))
for y in range(canvas_pixels):
world_y = half - pixel_size * y
for x in range(canvas_pixels):
world_x = -half + pixel_size * x
position = Point(world_x, world_y, wall_z)
ray = Ray(ray_origin, (position - ray_origin).normalize())
hit = sphere.intersect(ray).hit()
if hit:
point = ray.position(hit.t)
normal = hit.object.normal_at(point)
eye = -ray.direction
from raytracer.materials import Material
from raytracer.matrices import scaling, rotation_y, rotation_x, translation, view_transform
from raytracer.scene import World
from raytracer.shapes import Sphere, Plane
from raytracer.tuples import Color, Point, Vector
if __name__ == '__main__':
floor = Plane()
floor.material = Material()
floor.material.color = Color(1, 0.9, 0.9)
floor.material.specular = 0
middle = Sphere()
middle.transformation = translation(-0.5, 1, 0.5)
middle.material = Material()
middle.material.color = Color(0.5, 0, 0)
middle.material.diffuse = 0.7
middle.material.specular = 0.3
middle.material.reflective = 1
right = Sphere()
right.transformation = translation(1.5, 0.5, -0.5) * scaling(0.5, 0.5, 0.5)
right.material = Material()
right.material.color = Color(0.2, 0.2, 0.8)
right.material.diffuse = 0.7
right.material.specular = 0.3
right.material.reflective = .5
left = Sphere()
left.transformation = translation(-1.5, 0.33, -0.75) * scaling(0.33, 0.33, 0.33)
from math import pi
from os import sep
from raytracer.camera import Camera
from raytracer.canvas import write_ppm_to_file
from raytracer.lights import PointLight
from raytracer.materials import Material
from raytracer.matrices import scaling, rotation_y, rotation_x, translation, view_transform
from raytracer.scene import World
from raytracer.shapes import Sphere
from raytracer.tuples import Color, Point, Vector
if __name__ == '__main__':
floor = Sphere()
floor.transformation = scaling(10, 0.01, 10)
floor.material = Material()
floor.material.color = Color(1, 0.9, 0.9)
floor.material.specular = 0
left_wall = Sphere()
left_wall.transformation = translation(0, 0, 5) * \
rotation_y(-pi / 4) * rotation_x(pi / 2) * \
scaling(10, 0.01, 10)
left_wall.material = floor.material
right_wall = Sphere()
right_wall.transformation = translation(0, 0, 5) * \
rotation_y(pi / 4) * rotation_x(pi / 2) * \
scaling(10, 0.01, 10)
right_wall.material = floor.material
middle = Sphere()