01.pygame事件
02.鼠标事件的应用
03.鼠标事件的应用2
04.动画效果
05.ballGame
06.球球大作战
01.pygame事件
import pygame
if __name__ == '__main__':
pygame.init()
screen = pygame.display.set_mode((600,400))
screen.fill((255,255,255))
pygame.display.set_caption('游戏事件') #设置窗口标题
pygame.display.flip()
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')
if event.type == pygame.MOUSEBUTTONUP:
print('鼠标弹起')
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',char(event.key))
if event.type == pygame.KEYUP:
print('键盘按键弹起',char(event.key))
02.鼠标事件的应用
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)
# 写一个函数，判断指定的点是否在指定的矩形范围内
def is_in_rect(point,rect):
x,y = point
rx,ry,rw,rh = rect
if (rx <= x <= ry+rw) and (ry <= y <= ry+rh):
return True
return False
# 画一个按钮的函数
def draw_button(screen,bith_color,title_color):
pygame.draw.rect(screen, (0, 0, 0), (100, 100, 100, 60))
font = pygame.font.SysFont('Times', 30)
title = font.render('skrskr~', True, title_color)
screen.blit(title, (120, 120))
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
# pygame.draw.rect(screen,(0,0,0),(100,100,100,60))
# font = pygame.font.SysFont('Times',30)
# title = font.render('skrskr~',True,(255,255,255))
# screen.blit(title,(120,120))
pygame.display.flip()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
exit()
if event.type == pygame.MOUSEBUTTONDOWN:
pygame.draw.circle(screen,rand_color(),event.pos,randint(10,20))
if is_in_rect(event.pos,(100,100,100,60)):
draw_button(screen,(0,100,0),(100,0,0))
if event.type == pygame.MOUSEBUTTONUP:
if is_in_rect(event.pos,(100,100,100,60)):
draw_button(screen,(0,255,0),(255,0,0))
if event.type == pygame.MOUSEMOTION:
screen.fill((255,255,255))
draw_button(screen, (0,255,0), (255,255,255))
# 只要屏幕上的内容有更新，都要调用下面其中一个方法
# pygame.display.flip()
pygame.display.update()
03.鼠标事件的应用2
# 要求：鼠标按下移动的时候，拽着图片一起动，鼠标弹起就不动了
import pygame
# 判断一个点是否在某个范围内
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
if __name__ == '__main__':
pygame.init()
screen = pygame.display.set_mode((600,400))
screen.fill((255,255,255))
pygame.display.set_caption('图片拖动')
image = pygame.image.load('./123.jpg')
image_x = 0
image_y = 0
screen.blit(image, (image_x, image_y))
is_move = False #用来存储图片是否可以移动
pygame.display.flip()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
exit()
# 鼠标按下，让状态可以移动
if event.type == pygame.MOUSEBUTTONDOWN:
w,h = image.get_size()
if is_in_rect(event.pos,(image_x,image_y,w,h)):
is_move = True
# 鼠标弹起，让状态变成不可以移动
if event.type == pygame.MOUSEBUTTONUP:
is_move = False
# 鼠标移动对应的事件
if is_move:
if event.type == pygame.MOUSEMOTION:
screen.fill((255,255,255))
x,y = event.pos
image_w,image_h = image.get_size()
image_x = x - image_w/2
image_y = y - image_h/2
screen.blit(image,(image_x,image_y))
pygame.display.update()
04.动画效果
'''
动画原理：不断刷新界面上的内容（一帧一帧的画）
'''
import pygame
from random import randint
def static_page(screen): #页面静态内容
# 静态文字
font = pygame.font.SysFont('Times',40)
title = font.render('Welcome',True,(0,0,0))
screen.blit(title,(200,200))
def animation_title(screen):
font = pygame.font.SysFont('Times', 40)
title = font.render('2222', 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((600,400))
screen.fill((255,255,255))
pygame.display.flip()
while True:
# for里面的代码只有事件发生后才执行
for event in pygame.event.get():
if event.type == pygame.QUIT:
exit()
# 在下面去写每一帧现实的内容
pygame.time.delay(60) #程序执行到这个位置，线程阻塞指定的时间 单位：毫秒（1000ms = 1s）
screen.fill((255,255,255)) #将原来的内容清空
static_page(screen)
animation_title(screen)
pygame.display.flip()
image.png
05.ballGame
import pygame
def draw_ball(place,color,pos):
# 画球
pygame.draw.circle(place,color,pos,20)
# 方向对应的key值
Up = 273
Down = 274
Left = 276
Right = 275
if __name__ == '__main__':
pygame.init()
screen = pygame.display.set_mode((600,400))
screen.fill((255,255,255))
pygame.display.set_caption('ballGame')
pygame.display.flip()
# 保存初始坐标
ball_x = 100
ball_y = 100
x_speed = 1
y_speed = 0
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
exit()
if event.type == pygame.KEYDOWN:
if event.key == Up:
y_speed = -1
x_speed = 0
if event.key == Down:
y_speed = 1
x_speed = 0
if event.key == Left:
x_speed = -1
y_speed = 0
if event.key == Right:
x_speed = 1
y_speed = 0
# 刷新屏幕
screen.fill((255,255,255))
ball_x += x_speed
ball_y += y_speed
# 边界检测
if ball_x + 20 >= 600 or ball_x <= 20 or ball_y + 20 >= 400 or ball_y <= 20:
print('游戏结束！')
break
if ball_x + 20 >= 600:
ball_x = 600 - 20
x_speed *= -1
if ball_x <= 20:
ball_x = 20
x_speed *= -1
draw_ball(screen,(0,0,0),(ball_x,ball_y))
pygame.display.update()
06.球球大作战
import pygame
import random
random_color = random.randint(0,255),random.randint(0,255),random.randint(0,255)
if __name__ == '__main__':
pygame.init()
screen = pygame.display.set_mode((600,400))
screen.fill((255,255,255))
pygame.display.flip()
# all_balls中保存多个球
# 每个球要保存：半径，坐标，颜色，x速度，y速度
all_balls = [
{
'r':random.randint(10,20),
'pos':(100,100),
'color':(random.randint(0,255),random.randint(0,255),random.randint(0,255)),
'x_speed':random.randint(-3,3),
'y_speed':random.randint(-3,3)
},
{
'r': random.randint(10, 20),
'pos': (300, 300),
'color': (random.randint(0,255),random.randint(0,255),random.randint(0,255)),
'x_speed': random.randint(-3, 3),
'y_speed': random.randint(-3, 3)
}
]
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
exit()
if event.type == pygame.MOUSEBUTTONDOWN:
ball = {
'r':random.randint(10,25),
'pos':event.pos,
'color':(random.randint(0,255),random.randint(0,255),random.randint(0,255)),
'x_speed':random.randint(-3,3),
'y_speed':random.randint(-3,3)
}
all_balls.append(ball)
# 刷新界面
screen.fill((255,255,255))
for ball_dict in all_balls:
x,y = ball_dict['pos']
x_speed = ball_dict['x_speed']
y_speed = ball_dict['y_speed']
x += x_speed
y += y_speed
pygame.draw.circle(screen,ball_dict['color'],(x,y),ball_dict['r'])
# 更新球对应的坐标
ball_dict['pos'] = x,y
pygame.display.update()
image.png
