def generate_points(self):
for vect in IN, OUT, LEFT, RIGHT, UP, DOWN:
face = Square(side_length=self.side_length)
face.shift(self.side_length * OUT / 2.0)
face.apply_function(lambda p: np.dot(p, z_to_vector(vect).T))
self.add(face)
def generate_points(self):
for vect in IN, OUT, LEFT, RIGHT, UP, DOWN:
face = Square(side_length=self.side_length)
face.shift(self.side_length * OUT / 2.0)
face.apply_function(lambda p: np.dot(p, z_to_vector(vect).T))
self.add(face)
def generate_points(self):
for vect in IN, OUT, LEFT, RIGHT, UP, DOWN:
face = Square(
side_length=self.side_length,
shade_in_3d=True,
)
face.make_jagged()
face.flip()
face.shift(self.side_length * OUT / 2.0)
face.apply_matrix(z_to_vector(vect))
self.add(face)
def add_unit_square(self, color=YELLOW, opacity=0.3, animate=False):
square = Square(color=color, side_length=1)
square.shift(-square.get_corner(DOWN + LEFT))
if animate:
added_anims = map(Animation, self.moving_vectors)
self.play(ShowCreation(square), *added_anims)
self.play(square.set_fill, color, opacity, *added_anims)
else:
square.set_fill(color, opacity)
self.add_transformable_mobject(square)
self.bring_to_front(*self.moving_vectors)
self.square = square
return self