def test_cast_ray_4(self):
ray = data.Ray(data.Point(0.0, -3.0, -3.0), data.Vector(2.0, 1.0, 1.0))
sphere1 = data.Sphere(data.Point(0.0, 2.0, 2.0), 6.0, data.Color(1.0, 0.0, 0.0))
sphere2 = data.Sphere(data.Point(-10.0, -15.0, -20.0), 2.0, data.Color(0.0, 0.0, 1.0))
sphere_list = [sphere1, sphere2]
casted = cast.cast_ray(ray, sphere_list)
self.assertEqual(casted, data.Color(1.0, 0.0, 0.0))
def test_cast_ray_1(self):
ray = data.Ray(data.Point(0, 10, 6), data.Vector(0, 0, -2))
sphere_list = [
data.Sphere(data.Point(0, 10, -2), 3, data.Color(0, 0.5, 1.0), data.Finish(0.5, 0.4, 0.5, 0.05)),
data.Sphere(data.Point(0, 10, -20), 0.5, data.Color(0, 0.3, 0.2), data.Finish(0.5, 0.4, 0.5, 0.05)),
]
ambient_color = data.Color(0.25, 0.5, 0.75)
light = data.Light(data.Point(-100.0, 100.0, -100.0), data.Color(1.5, 1.5, 1.5))
eye_position = data.Point(0, 0, -14)
cr = cast.cast_ray(ray, sphere_list, ambient_color, light, eye_position)
inter_point = collisions.sphere_intersection_point(ray, sphere_list[0])
normal = collisions.sphere_normal_at_point(sphere_list[0], inter_point)
off_pt = cast.find_pt_off_sphere(inter_point, normal)
l_dir = vector_math.normalize_vector(vector_math.vector_from_to(off_pt, light.pt))
l_dot_n = vector_math.dot_vector(normal, l_dir)
diffuse_list = cast.determine_diffuse_contribution(
sphere_list[0], off_pt, light, normal, sphere_list, l_dir, l_dot_n
)
spec_list = cast.determine_specular_contribution(
l_dir, l_dot_n, normal, eye_position, off_pt, light.color, sphere_list[0].finish
)
self.assertEqual(
cr,
data.Color(
0 + diffuse_list[0] + spec_list[0],
0.125 + diffuse_list[1] + spec_list[1],
0.375 + diffuse_list[2] + spec_list[2],
),
)
def test_cast_ray_5(self):
ray = data.Ray(data.Point(0.0, 0.0, 0.0), data.Vector(5.0, 0.0, 0.0))
sphere1 = data.Sphere(data.Point(5.0, 0.0, -5.0), 5.0, data.Color(1.0, 0.0, 0.0))
sphere2 = data.Sphere(data.Point(17.0, 0.0, 5.0), 5.0, data.Color(0.0, 0.0, 1.0))
sphere_list = [sphere1, sphere2]
casted = cast.cast_ray(ray, sphere_list)
self.assertEqual(casted, data.Color(1.0, 0.0, 0.0))
def test_cast_ray(self):
r = data.Ray(data.Point(0, 0, 0), data.Vector(0, 50, 0))
sphere_list = [
data.Sphere(data.Point(0, 50, 0), 10, data.Color(0.0, 1.0, 1.0)),
data.Sphere(data.Point(0, 100, 0), 10, data.Color(1.0, 1.0, 0.0))
]
self.assertEqual(cast.cast_ray(r, sphere_list),
data.Color(0.0, 1.0, 1.0))
def test_cast_ray1(self):
ray = data.Ray(data.Point(0, 0, 0), data.Vector(1, 0, 0))
sphere_list = [
data.Sphere(data.Point(1, 1, 1), 3),
data.Sphere(data.Point(3, 3, 3), 1)
]
boolean = cast.cast_ray(ray, sphere_list)
self.assertEqual(boolean, True)
def test_cast_ray(self):
sph1 = data.Sphere(data.Point(0, 3, 3), 5, data.Color(1.0, 1.0, 0.0), \
data.Finish(0.5, 0.4, 0.5, 0.05))
sph2 = data.Sphere(data.Point(5, 1, 2), 2, data.Color(0.0, 1.0, 1.0), \
data.Finish(0.9, 0.4, 0.5, 0.05))
sph3 = data.Sphere(data.Point(2, 2, 2), 4, data.Color(1.0, 0.0, 1.0), \
data.Finish(0.8, 0.4, 0.5, 0.05))
N = [sph1, sph2, sph3]
ray1 = data.Ray(data.Point(4, 4, 4), data.Vector(-2, -2, -2))
self.assertTrue(cast.cast_ray(ray1, N, 0.8, data.Light(data.Point(-100.0, \
100.0, -100.0), data.Color(1.5, 1.5, 1.5)), data.Point(0.0, 0.0, -14.0)), \
data.Color(0.8, 0.8, 0.8))
ray2 = data.Ray(data.Point(3, 5, 1), data.Vector(-3, 1, 4))
self.assertTrue(cast.cast_ray(ray2, N, 0.5, data.Light(data.Point(-100.0, \
100.0, -100.0), data.Color(1.5, 1.5, 1.5)), data.Point(0.0, 0.0, -14.0)), \
data.Color(1.0, 1.0, 1.0))
def test_cast_ray(self):
ray = data.Ray(data.Point(0, 0, 0), data.Vector(1, 0, 0))
sphere_list = [
data.Sphere(data.Point(1, 1, 1), 1),
data.Sphere(data.Point(3, 3, 3), 1)
]
color = data.Color
boolean = cast.cast_ray(ray, sphere_list, color)
self.assertEqual(boolean, False)
def test_cast_ray_2(self):
ray = data.Ray(data.Point(0, 10, 6), data.Vector(0, 0, -2))
sphere_list = [
data.Sphere(data.Point(20, 10, -2), 3, data.Color(0.0, 0.0, 0.0), data.Finish(0.5, 0.4, 0.5, 0.05)),
data.Sphere(data.Point(30, 10, -20), 0.5, data.Color(0, 0.0, 0.0), data.Finish(0.5, 0.4, 0.5, 0.05)),
]
ambient_color = data.Color(0.25, 0.5, 0.75)
light = data.Light(data.Point(-100.0, 100.0, -100.0), data.Color(1.5, 1.5, 1.5))
eye_position = data.Point(0, 0, -14)
cr = cast.cast_ray(ray, sphere_list, ambient_color, light, eye_position)
self.assertEqual(cr, ambient_color)
def test_cast_ray_1(self):
finish = data.Finish(.4,.4, .5, .05)
one = data.Sphere(data.Point(2,2,0), 1.0, data.Color(.4,.2,.1), finish)
two = data.Sphere(data.Point(6,6,0), 2.0, data.Color(.2,.3,.5), finish)
three = data.Sphere(data.Point(-2,-2,0), 1.0, data.Color(1,1,1), finish)
four = data.Sphere(data.Point(-6,-6,0), 15.0, data.Color(.5,.5,.5), finish)
ray = data.Ray(data.Point(0,0,-14), data.Vector(0,0,1))
l = [one,two,three,four]
light = data.Light(data.Point(0,0,-14), data.Color(1.5,1.5,1.5))
ambient_color = data.Color(.2,.2,.2)
result = cast.cast_ray(ray,l,ambient_color, light, data.Point(0,0,-14))
expected = data.Color(0.286793135633, 0.286793135633, 0.286793135633)
self.assertEqual(result, expected)
def test_cast_ray_1(self):
sphere_list = [
data.Sphere(data.Point(0, 0, 0), 1, data.Color(0, 0, 0),
data.Finish(.2, 1, 0, 0))
]
ray = data.Ray(data.Point(0, 0, -15), data.Vector(0, 0, 1))
light = data.Light(data.Point(0, 0, 3), data.Color(1, 1, 1))
ambient_color = data.Color(1, 1, 1)
eye_point = data.Point(0, 0, -14)
calc_color = cast.cast_ray(ray, sphere_list, ambient_color, light,
eye_point)
exp_color = data.Color(0, 0, 0)
self.assertEqual(calc_color, exp_color)
def test_cast_ray_1(self):
pt = data.Point(0,0,0)
dir = data.Vector(0,0,1)
ray = data.Ray(pt,dir)
center_1 = data.Point(12,0,0)
center_2 = data.Point(0,5,0)
center_3 = data.Point(5,0,0)
center_4 = data.Point(50,0,0)
radius = 2
color = data.Color(1,0,.1)
finish = data.Finish(1,.2,1,1)
light = data.Light(data.Color(1.5,1.5,1.5),data.Point(0,0,0))
eye_point = data.Point(1,1,1)
sphere_list = [data.Sphere(center_1,radius,color,finish),data.Sphere(center_2,radius,color,finish),data.Sphere(center_3,radius,color,finish),data.Sphere(center_4,radius,color,finish)]
test_cast_ray_1 = cast.cast_ray(ray,sphere_list,finish,light,eye_point)
self.assertTrue(test_cast_ray_1 == data.Color(1,1,1))
def test_cast_ray2(self):
spheres = [
data.Sphere(data.Point(6.0, 0.0, 0.0), 1.0, data.Color(1, 0, 0),
data.Finish(0.5, 0.4, 0.5, 0.05)),
data.Sphere(data.Point(0.0, 5.0, 0.0), 1.0, data.Color(0, 0, 1),
data.Finish(0.5, 0.4, 0.5, 0.05)),
data.Sphere(data.Point(0.0, -4.0, 0.0), 1.0, data.Color(0, 1, 0),
data.Finish(0.5, 0.4, 0.5, 0.05)),
data.Sphere(data.Point(0.0, 8.0, 0.0), 1.0, data.Color(0, 0, 0),
data.Finish(0.5, 0.4, 0.5, 0.05))
]
ray = data.Ray(data.Point(0.0, 0.0, 0.0), data.Vector(0.0, 1.0, 0.0))
result = cast.cast_ray(
ray, spheres, data.Color(1, 1, 1),
data.Light(data.Point(-100.0, 100.0, -100.0),
data.Color(1.5, 1.5, 1.5)), data.Point(0, 0, -14))
self.assertEqual(result, data.Color(0, 0, 0.5))
def test_cast_ray_2(self):
pt = data.Point(0,0,0)
dir = data.Vector(0,1,0)
ray = data.Ray(pt,dir)
center_1 = data.Point(0,0,5)
center_2 = data.Point(0,5,0)
center_3 = data.Point(5,0,0)
radius = 2
color = data.Color(0,1,0)
color_1 = data.Color(0,0,0)
finish = data.Finish(1,1,1,1)
light = data.Light(data.Point(1,1,1),data.Color(1,1,1))
eye_point = data.Point(1,1,1)
ambient = data.Color(1,1,1)
sphere_list = [data.Sphere(center_1,radius,color_1,finish),data.Sphere(center_2,radius,color,finish),data.Sphere(center_3,radius,color_1,finish)]
test_cast_ray_2 = cast.cast_ray(ray,sphere_list,ambient,light,eye_point)
self.assertTrue(test_cast_ray_2 == data.Color(0.328870320968,2.14399924358,0.328870320968))
def test_cast_ray_1(self):
finish = data.Finish(.4, .4, .5, .05)
one = data.Sphere(data.Point(2, 2, 0), 1.0, data.Color(.4, .2, .1),
finish)
two = data.Sphere(data.Point(6, 6, 0), 2.0, data.Color(.2, .3, .5),
finish)
three = data.Sphere(data.Point(-2, -2, 0), 1.0, data.Color(1, 1, 1),
finish)
four = data.Sphere(data.Point(-6, -6, 0), 15.0, data.Color(.5, .5, .5),
finish)
ray = data.Ray(data.Point(0, 0, -14), data.Vector(0, 0, 1))
l = [one, two, three, four]
light = data.Light(data.Point(0, 0, -14), data.Color(1.5, 1.5, 1.5))
ambient_color = data.Color(.2, .2, .2)
result = cast.cast_ray(ray, l, ambient_color, light,
data.Point(0, 0, -14))
expected = data.Color(0.286793135633, 0.286793135633, 0.286793135633)
self.assertEqual(result, expected)
def test_cast_ray_1(self):
ray = data.Ray(data.Point(0.0, 0.0, 5.0), data.Vector(0.0, 0.0, -5.0))
sphere_list = [data.Sphere(data.Point(0.0, 0.0, 0.0), 2.0, data.Color(0.0, 1.0, 1.0))]
casted = cast.cast_ray(ray, sphere_list)
self.assertEqual(casted, data.Color(0.0, 1.0, 1.0))
def test_cast_ray_2(self):
ray = data.Ray(data.Point(0.0, 0.0, 0.0), data.Vector(0.0, 0.0, 1.0))
sphere_list = []
casted = cast.cast_ray(ray,sphere_list)
self.assertEqual(casted, data.Color(1.0,1.0,1.0))
def test_cast_ray_4(self):
ray = data.Ray(eye, vm.vector_from_to(eye, spheres[1].center))
result = cast.cast_ray(ray, spheres, ambientColor, blackPointLight, eye)
self.assertEqual(result.green < result.blue and result.blue > result.red,
True) # ensure that the dominant color is blue
pass
def test_cast_ray_2(self):
ray = data.Ray(eye, vm.vector_from_to(spheres[0].center, eye))
result = cast.cast_ray(ray, spheres, ambientColor, blackPointLight, eye)
self.assertEqual(result == data.Color(1.0, 1.0, 1.0), True)
pass
