用python画玫瑰花代码
时间: 2023-07-23 21:39:15 浏览: 111
下面是一个用Python绘制玫瑰花的示例代码,它使用了turtle库和数学公式:
```python
import turtle
import math
# 设置画布和画笔
screen = turtle.Screen()
screen.bgcolor("black")
pen = turtle.Turtle()
pen.speed(0)
pen.color("white")
pen.penup()
pen.goto(0, -200)
pen.pendown()
# 绘制玫瑰花
for i in range(2000):
angle = i / 100 * math.pi
x = 5 * math.sin(angle) * math.cos(angle)
y = 5 * math.sin(angle) * math.sin(angle)
pen.goto(x, y - 200)
pen.color("white" if i % 2 == 0 else "pink")
# 隐藏画笔
pen.hideturtle()
turtle.done()
```
运行代码后,将会在画布上绘制出一个粉色的玫瑰花。你可以根据自己的需要调整画笔的颜色、大小和绘制的角度等参数。
相关问题
怎么用python画玫瑰花代码
在Python中,你可以使用matplotlib库中的函数来绘制简单的玫瑰花图形。下面是一个简化的例子,使用了`plt.patches`模块创建花瓣:
```python
import matplotlib.pyplot as plt
import math
def draw_petals(num Petals, radius, color):
angles = [i * (math.pi * 2 / num_Petals) for i in range(num_Petals)]
patches = []
for angle in angles:
x = radius + radius * math.cos(angle)
y = radius + radius * math.sin(angle)
patches.append(plt.Circle((x, y), radius=0.5*radius, fill=False, ec=color))
return patches
num_Petals = 8
radius = 4
color = 'red'
fig, ax = plt.subplots()
patches = draw_petals(num_Petals, radius, color)
# 添加花瓣到图上
for patch in patches:
ax.add_patch(patch)
# 设置中心点和轴范围
ax.set_xlim([-5, 5])
ax.set_ylim([-5, 5])
ax.set_facecolor('white')
ax.set_aspect('equal', adjustable='box')
# 显示图形
plt.title("简易玫瑰花")
plt.show()
用python画玫瑰花代码-用python画一朵玫瑰给你
好的,以下是用Python画一朵玫瑰的代码:
```python
import turtle
def petal(turtle, radius, angle):
turtle.circle(radius, angle)
turtle.left(180-angle)
turtle.circle(radius, angle)
def rose(turtle, n_petals, petal_radius, petal_angle, stem_length, stem_angle):
turtle.setheading(90)
turtle.forward(stem_length)
turtle.right(stem_angle)
for i in range(n_petals):
petal(turtle, petal_radius, petal_angle)
turtle.right(360/n_petals)
turtle.left(180)
turtle.forward(stem_length)
t = turtle.Turtle()
t.speed(0)
t.color('red')
t.fillcolor('pink')
rose(t, 10, 100, 20, 200, 30)
turtle.done()
```
运行代码后,你将会看到一朵美丽的玫瑰花在屏幕上绽放!
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