.采用 turtle 画电子琴键盘
时间: 2024-11-22 11:10:15 浏览: 58
`turtle` 是 Python 的一个内置模块,专门用于创建简单的图形,比如在屏幕上绘制形状、轨迹等。如果你想使用 `turtle` 来画一个电子琴键盘,可以按照以下步骤进行:
首先,确保已导入 `turtle` 模块:
```python
import turtle
```
然后定义基本的颜色和键的位置信息,以及键的宽度和间隔:
```python
# 参数设置
colors = ['black', 'white'] * 5 # 黑白键
width = 20
gap = 50
```
接下来,创建一个循环,遍历钢琴键的位置,并用 `turtle.dot()` 或 `turtle.left()` 实现按键的绘制:
```python
# 初始化画笔
t = turtle.Turtle()
t.speed(0) # 提高绘图速度
for i in range(8): # 钢琴共有88个键,这里简化为8个八度
for j in range(5):
t.penup()
t.forward(i*gap) # 垂直方向移动键距
t.pendown()
t.fillcolor(colors[j])
t.begin_fill()
t.circle(width / 2, 180) # 半圆代表键,180度是为了保持垂直
t.end_fill()
t.right(90) # 向右转90度,画下一个键
t.right(90) # 跳过空格
```
最后,关闭窗口:
```python
turtle.done()
```
整体代码如下:
```python
import turtle
# 参数设置
colors = ['black', 'white'] * 5
width = 20
gap = 50
t = turtle.Turtle()
t.speed(0)
for i in range(8):
for j in range(5):
t.penup()
t.forward(i * gap)
t.pendown()
t.fillcolor(colors[j])
t.begin_fill()
t.circle(width / 2, 180)
t.end_fill()
t.right(90)
t.right(90)
turtle.done()
```
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