必须导入pygame后才能使用pygame
Up = 273
Down = 274
Left = 276
Right = 275
import pygame
if __name__ == '__main__':
pygame.init()
screen = pygame.display.set_mode((600, 400))
screen.fill((255, 255, 255))
# 设置窗口标题
pygame.display.set_caption('游戏事件')
pygame.display.flip()
"""
QUIT:关闭按钮被点击事件
MOUSEBUTTONDOWN: 鼠标按下事件
MOUSEBUTTONUP: 鼠标按下弹起
MOUSEMOTION:鼠标移动
鼠标相关事件关心事件产生的位置
KEYDOWN: 键盘按下
KEYUP: 键盘弹起
"""
while True:
# 每次循环检测有没有事件发生
for event in pygame.event.get():
# 不同类型的事件对应的type值不一样
if event.type == pygame.QUIT:
exit()
# 鼠标相关事件
# pos属性,获取鼠标事件产生的位置
if event.type == pygame.MOUSEBUTTONDOWN:
print('鼠标按下', event.pos)
if event.type == pygame.MOUSEBUTTONUP:
print('鼠标弹起', event.pos)
if event.type == pygame.MOUSEMOTION:
print('鼠标移动', event.pos)
# 键盘相关事件
# key属性,被按的按键对应的值的编码
if event.type == pygame.KEYDOWN:
print('键盘按键被按下',chr(event.key))
if event.type == pygame.KEYUP:
print('键盘按钮弹起', chr(event.key))
鼠标事件
import pygame
from random import randint
def rand_color():
"""
产生随机颜色
"""
return randint(0, 255), randint(0, 255), randint(0, 255)
def draw_ball(screen, pos):
pygame.draw.circle(screen, rand_color(), pos, randint(10, 20))
# 只要屏幕上的内容有更新,都需要调用下面这两个方法中的一个
# pygame.display.flip()
pygame.display.update()
# 写一个函数,判断指定的点是否在指定的矩形范围中
def is_in_rect(point, rect):
x, y = point
rx, ry, rw, rh = rect
if (rx <= x <= rx+rw) and (ry <= y <= ry+rh):
return True
return False
# 写一个函数,画一个按钮
def draw_button(screen, bth_color, title_color):
# 画个按钮
"""矩形框"""
pygame.draw.rect(screen, bth_color, (100, 100, 100, 60))
"""文字"""
font = pygame.font.SysFont('Times', 30)
title = font.render('clicke', True, title_color)
screen.blit(title, (120, 120))
# 按钮坐标
if __name__ == '__main__':
pygame.init()
screen = pygame.display.set_mode((600, 400))
screen.fill((255,255,255))
pygame.display.set_caption('鼠标事件')
# 画个按钮
draw_button(screen, (0, 255, 0), (255, 0, 0))
# """矩形框"""
# pygame.draw.rect(screen,(0, 255, 0),(100, 100, 100, 60))
# """文字"""
# font = pygame.font.SysFont('Times', 30)
# title = font.render('clicke',True,(255, 0, 0))
# screen.blit(title, (120, 120))
pygame.display.flip()
while True:
for event in pygame.event.get():
# 退出
if event.type == pygame.QUIT:
exit()
if event.type == pygame.MOUSEBUTTONDOWN:
# 在指定的坐标处画一个球
# draw_ball(screen, event.pos)
if is_in_rect(event.pos, (100, 100, 100, 60)):
draw_button(screen, (0, 100, 0), (100, 0, 0))
pygame.display.update()
if event.type == pygame.MOUSEBUTTONUP:
if is_in_rect(event.pos, (100, 100, 100, 60)):
draw_button(screen, (0, 255, 0),(255, 0, 0))
pygame.display.update()
if event.type == pygame.MOUSEMOTION:
screen.fill((255, 255, 255))
draw_button(screen, (0, 255, 0), (255, 0, 0))
draw_ball(screen, event.pos)
动画原理
"""
动画原理:不断的刷新界面上的内容(一帧一帧的画)
"""
import pygame
from random import randint
def static_page(screen):
# 静态文字
"""
页面上的静态内容
"""
font = pygame.font.SysFont('Times', 40)
title = font.render('Welcome', True, (0, 0, 0))
screen.blit(title, (200, 200))
def animation_title(screen):
"""
字体颜色发生改变
"""
font = pygame.font.SysFont('Times', 40)
title = font.render('Welcome', True, (randint(0, 255), randint(0, 255), randint(0, 255)))
screen.blit(title, (100, 100))
if __name__ == '__main__':
pygame.init()
screen = pygame.display.set_mode((640, 480))
screen.fill((255, 234, 219))
static_page(screen)
pygame.display.flip()
while True:
# for 里面的循环只有相应的事件发生后,才会执行
for event in pygame.event.get():
if event.type == pygame.QUIT:
exit()
# 在下面写变化的内容
"""程序执行到这个位置,Cpu休息一段时间再执行后面的代码(线程阻塞指定的时间)
单位:毫秒 1000ms == 1s
"""
pygame.time.delay(500)
# 动画前要将原来的内容全部清空
screen.fill((255, 234, 219))
static_page(screen)
animation_title(screen)
# 内容展示完成后,要更新到屏幕上
pygame.display.update()
网友评论