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()