1.源代码 import turtle as teimport timeWriteStep = 15 # 贝塞尔函数的取样次数Speed = 5Width = 600 # 界面宽度Height = 500 # 界面高度Xh = 0 # 记录前一个贝塞尔函数的手柄Yh = 0def Bezier(p1, p2, t): # 一阶贝塞尔函数return p1 * (1 - t) +