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 = ThreeDVMobject(Square(side_length=self.side_length)) face.make_jagged() face.flip() face.shift(self.side_length * OUT / 2.0) face.apply_matrix(z_to_vector(vect)) 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 new_sector(self, r, dr, lower_angle, upper_angle): alpha = self.max_opacity * self.opacity_function(r) annular_sector = AnnularSector(inner_radius=r, outer_radius=r + dr, color=self.color, fill_opacity=alpha, start_angle=lower_angle, angle=upper_angle - lower_angle) # rotate (not project) it into the viewing plane rotation_matrix = z_to_vector(self.projection_direction()) annular_sector.apply_matrix(rotation_matrix) # now rotate it inside that plane rotated_RIGHT = np.dot(RIGHT, rotation_matrix.T) projected_RIGHT = self.project(RIGHT) omega = angle_between_vectors(rotated_RIGHT, projected_RIGHT) annular_sector.rotate(omega, axis=self.projection_direction()) annular_sector.move_arc_center_to(self.get_source_point()) return annular_sector
def new_sector(self, r, dr, lower_angle, upper_angle): alpha = self.max_opacity * self.opacity_function(r) annular_sector = AnnularSector( inner_radius=r, outer_radius=r + dr, color=self.color, fill_opacity=alpha, start_angle=lower_angle, angle=upper_angle - lower_angle ) # rotate (not project) it into the viewing plane rotation_matrix = z_to_vector(self.projection_direction()) annular_sector.apply_matrix(rotation_matrix) # now rotate it inside that plane rotated_RIGHT = np.dot(RIGHT, rotation_matrix.T) projected_RIGHT = self.project(RIGHT) omega = angle_between_vectors(rotated_RIGHT, projected_RIGHT) annular_sector.rotate(omega, axis=self.projection_direction()) annular_sector.move_arc_center_to(self.get_source_point()) return annular_sector