编程地球代码的实现方式有多种,以下是一些具体示例和代码片段:
使用turtle库实现地球自转和随机移动
```python
import turtle
创建地球、火箭和宇宙背景
sun = turtle.Turtle()
earth = turtle.Turtle()
moon = turtle.Turtle()
day = turtle.Turtle()
screen = turtle.Screen()
设置地球自转
def rotate_earth():
for _ in range(360):
earth.right(5)
screen.ontimer(rotate_earth, 1000) 每秒旋转5度
设置地球随机移动
def move_earth():
earth.penup()
earth.goto(random.randint(-500, 500), random.randint(-500, 500))
earth.pendown()
初始化
screen.tracer(0, 30)
screen.bgpic('background.gif')
screen.register_shape('sun.gif')
screen.register_shape('earth.gif')
screen.register_shape('moon.gif')
sun.shape('sun.gif')
earth.shape('earth.gif')
moon.shape('moon.gif')
day.penup()
day.hideturtle()
day.color('white')
day.goto(-450, -260)
运行程序
rotate_earth()
move_earth()
screen.mainloop()
```
使用OpenGL图形库实现地球旋转
```python
import pygame
from OpenGL.GL import *
from OpenGL.GLUT import *
angle = 0
def init():
pygame.init()
pygame.display.set_mode((800, 600), pygame.OPENGL | pygame.DOUBLEBUF)
gluPerspective(45, (800/600), 0.1, 50.0)
glTranslate(0.0, 0.0, -5.0)
glEnable(GL_DEPTH_TEST)
def display():
global angle
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glRotatef(angle, 0.0, 1.0, 0.0) 绕y轴旋转
glColor3f(0.0, 0.0, 1.0)
glutWireSphere(1.0, 20, 20)
angle += 0.5
pygame.display.flip()
def main():
init()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
return
main()
```
使用C++和osgEarth库实现地球模拟
```cpp
include include include int main(int argc, char argv) { osg::ref_ptr osg::ref_ptr