Method construct

animations/rb.py:222–232

(self)

        self.show_message("节点1插入后，需要右旋节点3达到平衡", tex=True, tex_map={"右旋": BLUE, "1":RED, "3":RED})

    def construct(self):
        self.start_logo(animate=False)
        # self.show_colors()
        self.init_message("红黑树的旋转", tex=True, tex_map={"红": RED_D})

        self.show_left()

        self.reset_speed_up()
        self.show_right()

        self.wait()

# 3 case
class RedBlackTreeInsert(RBScene):