Example #1
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def step_impl(context):
    assert context.full_quarter * context.p == point(-1, 0, 0)
Example #2
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def step_impl(context):
    context.n1 = context.p.local_normal_at(context.p, point(0, 0, 0))
Example #3
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def step_impl(context):
    context.n3 = context.p.local_normal_at(context.p, point(-5, 0, 150))
Example #4
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def step_impl(context):
    context.n3 = context.t.local_normal_at(context.t, point(0.5, 0.25, 0))
Example #5
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def step_impl(context):
    context.r = ray(point(0, -1, -2), vector(0, 1, 0))
Example #6
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def step_impl(context):
    context.p2 = point(-1, 0, 0)
Example #7
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def step_impl(context):
    context.t = triangle(point(0, 1, 0), point(-1, 0, 0), point(1, 0, 0))
Example #8
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def step_impl(context):
    assert context.T * context.p == point(15, 0, 7)
Example #9
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def step_impl(context):
    context.frm = point(0, 0, 8)
Example #10
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def step_impl(context):
    assert context.p3 == point(5, -5, 0)
Example #11
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def step_impl(context):
    assert context.transform * context.p == point(2, 1, 7)
Example #12
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def step_impl(context):
    assert context.p2 == point(1, -1, 0)
Example #13
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def step_impl(context):
    context.p = point(-3, 4, 5)
Example #14
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def step_impl(context):
    context.p = point(1, 0, 1)
Example #15
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def step_impl(context):
    assert context.transform * context.p == point(-2, 3, 4)
Example #16
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def step_impl(context):
    context.to = point(0, 0, 0)
Example #17
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def step_impl(context):
    context.r = ray(point(-1, 1, -2), vector(0, 0, 1))
Example #18
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def step_impl(context):
    context.frm = point(1, 3, 2)
Example #19
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def step_impl(context):
    context.p3 = point(1, 0, 0)
Example #20
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def step_impl(context):
    context.to = point(4, -2, 8)
Example #21
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def step_impl(context):
    context.n2 = context.t.local_normal_at(context.t, point(-0.5, 0.75, 0))
Example #22
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def step_impl(context):
    context.inv * context.p == point(-8, 7, 3)
Example #23
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def step_impl(context):
    context.p1 = point(0, 1, 0)
Example #24
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def step_impl(context):
    context.p = point(-4, 6, 8)
Example #25
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import os.path
import sys

sys.path.append(
    os.path.abspath(os.path.join(os.path.dirname(__file__), os.path.pardir)))
import time

from canvas import canvas, canvas_to_ppm, write_pixel
from matrix import normalize
from ray import ray
from shape import hit, intersect
from sphere import sphere
from tuple import color, point

if __name__ == "__main__":
    ray_origin = point(0, 0, -5)
    wall_z = 10
    wall_size = 7
    canvas_pixels = 400
    pixel_size = wall_size / canvas_pixels
    half = wall_size / 2

    canvas = canvas(canvas_pixels, canvas_pixels)
    color = color(1, 0, 0)
    shape = sphere()

    # transformations
    # shape.transform = scaling(1, 0.5, 1)
    # shape.transform = scaling(0.5, 1, 1)
    # shape.transform = rotation_z(pi / 4) * scaling(0.5, 1, 1)
    # shape.transform = shearing(1, 0, 0, 0, 0, 0) * scaling(0.5, 1, 1)
Example #26
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def step_impl(context):
    assert context.transform * context.p == point(-8, 18, 32)
Example #27
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def step_impl(context):
    context.n2 = context.p.local_normal_at(context.p, point(10, 0, -10))
Example #28
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def step_impl(context):
    context.p = point(2, 3, 4)
Example #29
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def step_impl(context):
    context.r = ray(point(0, 10, 0), vector(0, 0, 1))
Example #30
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def step_impl(context):
    assert context.half_quarter * context.p == point(-sqrt(2) / 2,
                                                     sqrt(2) / 2, 0)