def test_render_world_with_camera(self, default_world):
w = default_world
c = Camera(11, 11, pi / 2)
_from = Point(0, 0, -5)
to = Point(0, 0, 0)
up = Vector(0, 2, 0)
c.transformation = view_transform(_from, to, up)
image = c.render(w)
assert image.pixel_at(5, 5) == Color(0.38066, 0.47583, 0.2855)
def test_rendering_world_with_camera(self):
w = World.default()
c = Camera(11, 11, math.pi / 2)
frm = Point(0, 0, -5)
to = Point(0, 0, 0)
up = Vector(0, 1, 0)
c.transform = ViewTransform(frm, to, up)
image = c.render(w)
self.assertEqual(image.pixel_at(5, 5), Color(0.38066, 0.47583, 0.2855))
def test_render():
w = World.default()
c = Camera(11, 11, math.pi / 2)
f = Point(0, 0, -5)
to = Point(0, 0, 0)
up = Vector(0, 1, 0)
c.transform = ViewTransform(f, to, up)
image = c.render(w)
assert image.read_pixel(5, 5) == Color(0.38066, 0.47583, 0.2855)
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.matrices import *
from raytracer.obj_file import parse_obj_file
from raytracer.scene import World
from raytracer.tuples import Color, Point, Vector
def teapot():
parser = parse_obj_file(f'..{sep}resources{sep}Sting-Sword-lowpoly.obj')
return parser.obj_to_group()
if __name__ == '__main__':
world = World()
world.add(teapot())
world.light_source = PointLight(Point(-5, 5, -5), Color.white())
camera = Camera(150, 100, pi / 3)
camera.transformation = view_transform(Point(0, 1.5, -10), Point(0, 1, 0),
Vector(0, 1, 0))
canvas = camera.render(world)
write_ppm_to_file(canvas.to_ppm(),
f'..{sep}..{sep}resources{sep}sting.ppm')
from raytracer.parser import Parser
from raytracer.world import World
from raytracer.camera import Camera
from raytracer.lights import PointLight
from raytracer.base import Point, Color, ViewTransform, Vector
f = open("tests/obj_files/face.obj", "r")
p = Parser(f)
w = World()
w.objects.append(p.obj_to_group())
w.light = PointLight(Point(10, 5, 5), Color(1, 1, 1))
c = Camera(10, 10, 0.785)
c.transform = ViewTransform(Point(-6, 6, -10), Point(6, 0, 6),
Vector(-0.45, 1, 0))
canvas = c.render(w)
with open("images/triangl.ppm", "w") as f:
f.write(canvas.to_ppm())
# This is wayyy too slow we're gonna need a triangle mesh or something