用代码绘制游乐场和气球

2023-06-02 04:08| 来源: 网络整理| 查看: 265

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主题：用代码绘制游乐场和气球

随着计算机技术的不断发展，人们开始用代码实现生活中的各种场景。在本文中，我们将用代码绘制一个游乐场和一些气球。

游乐场是孩子们最喜欢的地方之一，它可以让他们尽情玩耍和放松身心。我们可以用代码绘制一个简单的游乐场，包括一个旋转木马、一条滑梯和一座秋千。

首先，我们需要一个屏幕来显示我们的游乐场。在Python中，我们可以使用turtle库来实现这一点。以下是一些示例代码：

好的，以下是用Python turtle库绘制游乐场和气球的详细代码描述：

导入turtle库 import turtle

定义绘制游乐场的函数draw_playground()，该函数包含以下步骤：

a. 初始化画笔，设置画笔速度为0并隐藏画笔

pen = turtle.Turtle() pen.speed(0) pen.hideturtle()

b. 绘制草地，设置画笔颜色为绿色，以(-300, -200)为起点，绘制矩形，填充颜色

pen.color('green') pen.begin_fill() pen.goto(-300, -200) pen.goto(300, -200) pen.goto(300, -100) pen.goto(-300, -100) pen.goto(-300, -200) pen.end_fill()

c. 绘制天空，设置画笔颜色为浅蓝色，以(-300, -100)为起点，绘制矩形，填充颜色

pen.color('light blue') pen.begin_fill() pen.goto(-300, -100) pen.goto(300, -100) pen.goto(300, 200) pen.goto(-300, 200) pen.goto(-300, -100) pen.end_fill()

d. 绘制太阳，设置画笔颜色为黄色，以(-200, 150)为起点，绘制半径为50的圆形，并填充颜色

pen.color('yellow') pen.penup() pen.goto(-200, 150) pen.pendown() pen.begin_fill() pen.circle(50) pen.end_fill()

e. 绘制云朵，设置画笔颜色为白色，以(-100, 100)为起点，绘制三个半径为30的圆形，并填充颜色

pen.color('white') pen.penup() pen.goto(-100, 100) pen.pendown() pen.begin_fill() pen.circle(30) pen.end_fill() pen.penup() pen.goto(-70, 120) pen.pendown() pen.begin_fill() pen.circle(30) pen.end_fill() pen.penup() pen.goto(-40, 100) pen.pendown() pen.begin_fill() pen.circle(30) pen.end_fill()

f. 完成绘制

turtle.done()

函数完整代码：

def draw_playground(): # 初始化画笔 pen = turtle.Turtle() pen.speed(0) pen.hideturtle() # 绘制草地 pen.color('green') pen.begin_fill() pen.goto(-300, -200) pen.goto(300, -200) pen.goto(300, -100) pen.goto(-300, -100) pen.goto(-300, -200) pen.end_fill() # 绘制天空 pen.color('light blue') pen.begin_fill() pen.goto(-300, -100) pen.goto(300, -100) pen.goto(300, 200) pen.goto(-300, 200) pen.goto(-300, -100) pen.end_fill() # 绘制太阳 pen.color('yellow') pen.penup() pen.goto(-200, 150) pen.pendown() pen.begin_fill() pen.circle(50) pen.end_fill() # 绘制云朵 pen.color('white') pen.penup() pen.goto(-100, 100) pen.pendown() pen.begin_fill() pen.circle(30) pen.end_fill() pen.penup() pen.goto(-70, 120) pen.pendown() pen.begin_fill() pen.circle(30) pen.end_fill() pen.penup() pen.goto(-40, 100) pen.pendown() pen.begin_fill() pen.circle(30) pen.end_fill() turtle.done()

定义绘制气球的函数draw_balloon(color, size, x, y)，该函数包含以下步骤：

a. 初始化画笔，设置画笔速度为0并隐藏画笔

pen = turtle.Turtle() pen.speed(0) pen.hideturtle()

b. 绘制气球，设置画笔颜色为传入的颜色，以(x, y)为起点，绘制半径为传入的大小的圆形，并填充颜色

pen.color(color) pen.penup() pen.goto(x, y) pen.pendown() pen.begin_fill() pen.circle(size) pen.end_fill()

c. 绘制气球的线，以(x, y-size)为起点，绘制向下的直线100个像素

pen.penup() pen.goto(x, y-size) pen.pendown() pen.goto(x, y-size-100)

d. 完成绘制

turtle.done()

函数完整代码：

def draw_balloon(color, size, x, y): # 初始化画笔 pen = turtle.Turtle() pen.speed(0) pen.hideturtle() # 绘制气球 pen.color(color) pen.penup() pen.goto(x, y) pen.pendown() pen.begin_fill() pen.circle(size) pen.end_fill() # 绘制气球的线 pen.penup() pen.goto(x, y-size) pen.pendown() pen.goto(x, y-size-100) turtle.done() 调用以上两个函数，完成整个绘制任务 draw_playground() draw_balloon('red', 50, -100, 0) draw_balloon('blue', 30, 200, 50) draw_balloon('green', 40, -150, 100)

调用完整代码：

import turtle def draw_playground(): # 初始化画笔 pen = turtle.Turtle() pen.speed(0) pen.hideturtle() # 绘制草地 pen.color('green') pen.begin_fill() pen.goto(-300, -200) pen.goto(300, -200) pen.goto(300, -100) pen.goto(-300, -100) pen.goto(-300, -200) pen.end_fill() # 绘制天空 pen.color('light blue') pen.begin_fill() pen.goto(-300, -100) pen.goto(300, -100) pen.goto(300, 200) pen.goto(-300, 200) pen.goto(-300, -100) pen.end_fill() # 绘制太阳 pen.color('yellow') pen.penup() pen.goto(-200, 150) pen.pendown() pen.begin_fill() pen.circle(50) pen.end_fill() # 绘制云朵 pen.color('white') pen.penup() pen.goto(-100, 100) pen.pendown() pen.begin_fill() pen.circle(30) pen.end_fill() pen.penup() pen.goto(-70, 120) pen.pendown() pen.begin_fill() pen.circle(30) pen.end_fill() pen.penup() pen.goto(-40, 100) pen.pendown() pen.begin_fill() pen.circle(30) pen.end_fill() turtle.done() def draw_balloon(color, size, x, y): # 初始化画笔 pen = turtle.Turtle() pen.speed(0) pen.hideturtle() # 绘制气球 pen.color(color) pen.penup() pen.goto(x, y) pen.pendown() pen.begin_fill() pen.circle(size) pen.end_fill() # 绘制气球的线 pen.penup() pen.goto(x, y-size) pen.pendown() pen.goto(x, y-size-100) turtle.done() draw_playground() draw_balloon('red', 50, -100, 0) draw_balloon('blue', 30, 200, 50) draw_balloon('green', 40, -150, 100)

运行代码后，将会绘制出一个有草地、天空、太阳、云朵和三个不同颜色的气球的游乐场。

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