def __mupltiply_matrix_vector(self, name1, name2, x, y, z):
test_vector = Vector(float(x), float(y), float(z))
print("\nExpected:")
print(test_vector)
print("\nGot:")
print(getattr(world, name1) * getattr(world, name2))
assert getattr(world, name1) * getattr(world, name2) == test_vector
def _ray_direction_equals_vector(self, name, x, y, z):
test_vector = Vector(float(x), float(y), float(z))
print("\nExpected:")
print(test_vector)
print("\nGot:")
print(getattr(world, name).direction)
assert getattr(world, name).direction == test_vector
def _check_saved_ray_direction(self, name, vx, vy, vz):
test_vector = Vector(float(vx), float(vy), float(vz))
vector = getattr(world, name).saved_ray.direction
print("\nExpected:")
print(test_vector)
print("\nGot:")
print(vector)
assert vector == test_vector
def _compare_reflectv_by_value(self, name, x, y, z):
test_value = Vector(float(x), float(y), float(z))
value = getattr(world, name).reflectv
print("\nExpected:")
print(test_value)
print("\nGot:")
print(value)
assert value == test_value
def _ray_from_values(self, name, px, py, pz, vx, vy, vz):
setattr(
world, name,
Ray(Point(float(px), float(py), float(pz)),
Vector(float(vx), float(vy), float(vz))))