与春光共舞,独属于开发者们的春日场景是什么样的?
作为一名Python程序员,对于春天的到来,我们可以使用turtle库来绘制一些简单的图形。下面是一个示例代码,用于生成小草的图案。
```import turtle as tlimport random as rdimport math as mt
def write(n, t): print(n) tl.pensize(mt.sqrt(n+1)/10) tl.pencolor(0.3, 0.9, 0.3) tl.right(50 / (n+1)) tl.forward(n/20)
def pt(n):
d = rd.randint(0, 1)
if d:
tl.left(15*n/t)
tl.forward(10*n/t)
tl.backward(10*n/t)
tl.right(15*n/t)
else:
tl.right(15 * n / t)
tl.forward(10 * n/t)
tl.backward(10 * n/t)
tl.left(15 * n / t)
if n > 0:
pt(n)
write(n-1, t)
def move(x, y): tl.penup() tl.goto(x,y) tl.pd()
def m(n, t, Ysize, angle): Y = Ysize tl.right(50 / (n+1)) tl.pensize(mt.sqrt(n)/5) tl.pencolor(0.1, 0.7, 0.1) tl.forward(25n/t) if( n > 0 ): q1 = 45 n / t q2 = 45 n / t list = tl.position() x1 = list[0] y1 = list[1] angle = angle-50 / (n+1) tl.left(q1) write(Yn, Yn) move(x1, y1) tl.setheading(angle) tl.right(q2) write(Yn, Y*n) move(x1, y1) tl.setheading(angle)
#tl.right(180-45 * n / t)
m(n-1, t, Ysize, angle)
def main(): tl.screensize(canvwidth=1000, canvheight=1000) tl.speed(0) tl.bgcolor(1, 1, 1) tl.left(90) m(15, 15, 2.5, 90) move(-200, 0) tl.setheading(90) m(10, 10, 2, 90) move(200,0) tl.setheading(90) m(20, 20, 3, 90) tl.hideturtle() tl.mainloop()
main()
```生成的效果大概是下面这个样子:
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