def generate_plane():
x = random.random() * 10.0
y = random.random() * 10.0
z = random.random() * 10.0
dir_x = random.random() * 10.0 - 5.0
dir_y = random.random() * 10.0 - 5.0
dir_z = random.random() * 10.0 - 5.0
point = Vector3(x, y, z)
normal = Vector3(dir_x, dir_y, dir_z)
normal.normalize()
plane = Plane(point, normal, 3)
return plane
