本程序可以利用但参数均匀三角多项式曲线来绘制出漂亮的花纹曲线，当然，如果想要获得不同的花纹只需对参数进行调整即可-This procedure can be used but the parameters are homogeneous trigonometric polynomial curve to draw a beautiful pattern curve, of course, if you want to get a different pattern can only adjust