用turtle库绘制钢琴键示意图
时间: 2023-10-24 19:08:02 浏览: 62
好的,以下是使用turtle库绘制钢琴键示意图的代码:
```python
import turtle
# 设置画布大小
turtle.setup(800, 400)
# 创建画笔
pen = turtle.Turtle()
# 设置画笔速度
pen.speed(0)
# 定义函数绘制黑键
def draw_black_key():
pen.color("black")
pen.begin_fill()
pen.forward(25)
pen.right(90)
pen.forward(100)
pen.left(90)
pen.forward(50)
pen.left(90)
pen.forward(100)
pen.right(90)
pen.forward(25)
pen.right(90)
pen.forward(100)
pen.left(90)
pen.forward(50)
pen.left(90)
pen.forward(100)
pen.right(90)
pen.forward(25)
pen.right(90)
pen.forward(50)
pen.left(90)
pen.forward(25)
pen.left(90)
pen.forward(50)
pen.right(90)
pen.forward(25)
pen.right(90)
pen.forward(100)
pen.left(90)
pen.forward(50)
pen.left(90)
pen.forward(100)
pen.right(90)
pen.forward(25)
pen.end_fill()
# 定义函数绘制白键
def draw_white_key():
pen.color("black")
pen.pensize(2)
pen.forward(25)
pen.right(90)
pen.forward(100)
pen.left(90)
pen.forward(50)
pen.left(90)
pen.forward(100)
pen.right(90)
pen.forward(25)
pen.right(90)
pen.forward(100)
pen.left(90)
pen.forward(50)
pen.left(90)
pen.forward(100)
pen.right(90)
pen.forward(25)
pen.right(90)
pen.forward(50)
pen.left(90)
pen.forward(25)
pen.left(90)
pen.forward(50)
pen.right(90)
pen.forward(25)
pen.right(90)
pen.forward(100)
pen.left(90)
pen.forward(50)
pen.left(90)
pen.forward(100)
pen.right(90)
pen.forward(25)
# 绘制钢琴键
pen.penup()
pen.goto(-300, 0)
pen.pendown()
for i in range(7):
draw_white_key()
pen.forward(100)
draw_white_key()
pen.penup()
pen.goto(-250, 0)
pen.pendown()
draw_black_key()
pen.penup()
pen.goto(-200, 0)
pen.pendown()
for i in range(7):
draw_white_key()
pen.forward(100)
draw_white_key()
pen.penup()
pen.goto(-150, 0)
pen.pendown()
draw_black_key()
pen.penup()
pen.goto(-100, 0)
pen.pendown()
for i in range(7):
draw_white_key()
pen.forward(100)
draw_white_key()
pen.penup()
pen.goto(-50, 0)
pen.pendown()
draw_black_key()
pen.penup()
pen.goto(0, 0)
pen.pendown()
for i in range(7):
draw_white_key()
pen.forward(100)
draw_white_key()
pen.penup()
pen.goto(50, 0)
pen.pendown()
draw_black_key()
pen.penup()
pen.goto(100, 0)
pen.pendown()
for i in range(7):
draw_white_key()
pen.forward(100)
draw_white_key()
pen.penup()
pen.goto(150, 0)
pen.pendown()
draw_black_key()
pen.penup()
pen.goto(200, 0)
pen.pendown()
for i in range(7):
draw_white_key()
pen.forward(100)
draw_white_key()
pen.penup()
pen.goto(250, 0)
pen.pendown()
draw_black_key()
# 隐藏画笔
pen.hideturtle()
# 等待点击关闭窗口
turtle.done()
```
运行上述代码,将会绘制出一个钢琴键示意图。其中,白键使用黑色线条绘制,黑键则使用黑色填充绘制。绘制完成后,窗口将会一直保持打开状态,直到点击关闭。
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