for y in range(canvas_pixels):
world_y = half - pixel_size * y
for x in range(canvas_pixels):
world_x = -half + pixel_size * x
pos = point(world_x, world_y, wall_z)
r = ray(ray_origin, normalize(pos - ray_origin))
xs = intersect(shape, r)
if hit(xs) is not None:
pnt = position(r, xs[0].t)
normal = normal_at(xs[0].object, pnt)
eye = -r.direction
color = lighting(xs[0].object.material, xs[0].object, light,
pnt, eye, normal)
write_pixel(canvas, x, y, color)
end = time.time()
print("Finished render.")
print(str(round(end - start, 2)) + "s")
start = time.time()
print("Start writing file...")
canvas_to_ppm(canvas).write_file("images/sphere.ppm")
end = time.time()
print("Finished writing file.")
print(str(round(end - start, 2)) + "s")
right.material = material()
right.material.color = color(0.5, 1, 0.1)
right.material.diffuse = 0.7
right.material.specular = 0.3
w.objects.append(right)
left = sphere()
left.transform = translation(-1.5, 0.33, -0.75) * scaling(0.33, 0.33, 0.33)
left.material = material()
left.material.color = color(1, 0.8, 0.1)
left.material.diffuse = 0.7
left.material.specular = 0.3
w.objects.append(left)
cam = camera(400, 200, pi / 3)
cam.transform = view_transform(point(0, 1.5, -5), point(0, 1, 0),
vector(0, 1, 0))
canvas = render(cam, w)
end = time.time()
print("Finished render.")
print(str(round(end - start, 2)) + "s")
start = time.time()
print("Start writing file...")
canvas_to_ppm(canvas).write_file("images/planes.ppm")
end = time.time()
print("Finished writing file.")
print(str(round(end - start, 2)) + "s")
# shape.transform = shearing(1, 0, 0, 0, 0, 0) * scaling(0.5, 1, 1)
start = time.time()
print("Starting render...")
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)
r = ray(ray_origin, normalize(position - ray_origin))
xs = intersect(shape, r)
if hit(xs) is not None:
write_pixel(canvas, x, y, color)
end = time.time()
print("Finished render.")
print(str(round(end - start, 2)) + "s")
start = time.time()
print("Start writing file...")
canvas_to_ppm(canvas).write_file("images/circle.ppm")
end = time.time()
print("Finished writing file.")
print(str(round(end - start, 2)) + "s")
color(0.8, 0.8, 0.2))
w.objects.append(right)
left = sphere()
left.transform = translation(-1.5, 0.33, -0.75) * scaling(0.33, 0.33, 0.33)
left.material = material()
left.material.color = color(1, 0.8, 0.1)
left.material.diffuse = 0.7
left.material.specular = 0.3
left.material.reflective = 0.1
left.material.pattern = gradient_pattern(color(0.7, 0.5, 0.7),
color(0, 0.8, 0.2))
w.objects.append(left)
cam = camera(1600, 800, pi / 2)
cam.transform = view_transform(point(0, 1.5, -5), point(0, 1, 0),
vector(0, 1, 0))
canvas = render(cam, w)
end = time.time()
print("Finished render.")
print(str(round(end - start, 2)) + "s")
start = time.time()
print("Start writing file...")
canvas_to_ppm(canvas).write_file("images/reflections.ppm")
end = time.time()
print("Finished writing file.")
print(str(round(end - start, 2)) + "s")
color(0.8, 0.8, 0.2))
w.objects.append(right)
left = cube()
left.transform = translation(-1.5, 0.33, -0.75) * scaling(0.33, 0.33, 0.33)
left.material = material()
left.material.color = color(1, 0.8, 0.1)
left.material.diffuse = 0.7
left.material.specular = 0.3
left.material.reflective = 0.1
left.material.pattern = gradient_pattern(color(0.7, 0.5, 0.7),
color(0, 0.8, 0.2))
w.objects.append(left)
cam = camera(1600, 800, pi / 2)
cam.transform = view_transform(point(0, 1.5, -5), point(0, 1, 0),
vector(0, 1, 0))
canvas = render(cam, w)
end = time.time()
print("Finished render.")
print(str(round(end - start, 2)) + "s")
start = time.time()
print("Start writing file...")
canvas_to_ppm(canvas).write_file("images/cubes.ppm")
end = time.time()
print("Finished writing file.")
print(str(round(end - start, 2)) + "s")
right.material = material()
right.material.color = color(0.5, 1, 0.1)
right.material.diffuse = 0.7
right.material.specular = 0.3
w.objects.append(right)
left = sphere()
left.transform = translation(-1.5, 0.33, -0.75) * scaling(0.33, 0.33, 0.33)
left.material = material()
left.material.color = color(1, 0.8, 0.1)
left.material.diffuse = 0.7
left.material.specular = 0.3
w.objects.append(left)
cam = camera(200, 100, pi / 3)
cam.transform = view_transform(point(0, 1.5, -5), point(0, 1, 0),
vector(0, 1, 0))
canvas = render(cam, w)
end = time.time()
print("Finished render.")
print(str(round(end - start, 2)) + "s")
start = time.time()
print("Start writing file...")
canvas_to_ppm(canvas).write_file("images/shawdows.ppm")
end = time.time()
print("Finished writing file.")
print(str(round(end - start, 2)) + "s")
def step_impl(context):
context.ppm = canvas_to_ppm(context.c)
from hexagon import hexagon
from matrix import view_transform
from tuple import color, point, point_light, vector
from world import world
if __name__ == "__main__":
start = time.time()
print("Starting render...")
w = world()
w.light = point_light(point(-10, 10, -10), color(1, 1, 1))
hex = hexagon()
w.objects.append(hex)
cam = camera(1600, 800, pi / 2)
cam.transform = view_transform(point(0, 1.5, -5), point(0, 1, 0), vector(0, 1, 0))
canvas = render(cam, w)
end = time.time()
print("Finished render.")
print(str(round(end - start, 2)) + "s")
start = time.time()
print("Start writing file...")
canvas_to_ppm(canvas).write_file("images/groups.ppm")
end = time.time()
print("Finished writing file.")
print(str(round(end - start, 2)) + "s")
def step_impl(context):
context.ppm = list(canvas.canvas_to_ppm(context.c))
right.material.color = color(0.5, 1, 0.1)
right.material.diffuse = 0.7
right.material.specular = 0.3
right.material.pattern = ring_pattern(color(0.2, 0.5, 0.7), color(0.8, 0.8, 0.2))
w.objects.append(right)
left = sphere()
left.transform = translation(-1.5, 0.33, -0.75) * scaling(0.33, 0.33, 0.33)
left.material = material()
left.material.color = color(1, 0.8, 0.1)
left.material.diffuse = 0.7
left.material.specular = 0.3
left.material.pattern = gradient_pattern(color(0.7, 0.5, 0.7), color(0, 0.8, 0.2))
w.objects.append(left)
cam = camera(1600, 800, pi / 3)
cam.transform = view_transform(point(0, 1.5, -5), point(0, 1, 0), vector(0, 1, 0))
canvas = render(cam, w)
end = time.time()
print("Finished render.")
print(str(round(end - start, 2)) + "s")
start = time.time()
print("Start writing file...")
canvas_to_ppm(canvas).write_file("images/patterns.ppm")
end = time.time()
print("Finished writing file.")
print(str(round(end - start, 2)) + "s")
right.material = material()
right.material.color = color(0.5, 1, 0.1)
right.material.diffuse = 0.7
right.material.specular = 0.3
w.objects.append(right)
left = sphere()
left.transform = translation(-1.5, 0.33, -0.75) * scaling(0.33, 0.33, 0.33)
left.material = material()
left.material.color = color(1, 0.8, 0.1)
left.material.diffuse = 0.7
left.material.specular = 0.3
w.objects.append(left)
cam = camera(200, 100, pi / 3)
cam.transform = view_transform(point(0, 1.5, -5), point(0, 1, 0),
vector(0, 1, 0))
canvas = render(cam, w)
end = time.time()
print("Finished render.")
print(str(round(end - start, 2)) + "s")
start = time.time()
print("Start writing file...")
canvas_to_ppm(canvas).write_file("images/scene.ppm")
end = time.time()
print("Finished writing file.")
print(str(round(end - start, 2)) + "s")
