一、pygame事件
import pygame #導(dǎo)入pygame模塊
if __name__ == '__main__':
#初始化
pygame.init()
#創(chuàng)建長(zhǎng)為600盛末，高為400的窗口
screen=pygame.display.set_mode((600,400))
#給窗口填充顏色為白色
screen.fill((255,255,255))
#設(shè)置窗口標(biāo)題
pygame.display.set_caption('游戲事件')
#顯示以上所有內(nèi)容
pygame.display.flip()
"""
QUIT：關(guān)閉按鈕被點(diǎn)擊事件
MOUSEBUTTONDOWN: 鼠標(biāo)按下事件
MOUSEBUTTONUP: 鼠標(biāo)按下彈起
MOUSEMOTION：鼠標(biāo)移動(dòng)
鼠標(biāo)相關(guān)事件關(guān)心事件產(chǎn)生的位置
KEYDOWN: 鍵盤(pán)按下
KEYUP: 鍵盤(pán)彈起
"""
while True:
#每次循環(huán)檢測(cè)有沒(méi)有事件發(fā)生（）
for event in pygame.event.get():
# 不同類(lèi)型的事件對(duì)應(yīng)的type值不一樣
if event.type == pygame.QUIT:
exit()
# 鼠標(biāo)相關(guān)事件
#鼠標(biāo)按下
if event.type == pygame.MOUSEBUTTONDOWN:
print('打印鼠標(biāo)按下', event.pos)
# 鼠標(biāo)彈起
if event.type == pygame.MOUSEBUTTONUP:
print('鼠標(biāo)彈起', event.pos)
# 鼠標(biāo)移動(dòng)事件
if event.type == pygame.MOUSEMOTION:
print('鼠標(biāo)移動(dòng)', event.pos)
#鍵盤(pán)相關(guān)事件
#key屬性弹惦，被按得按鍵對(duì)應(yīng)的編碼
if event.type==pygame.KEYDOWN:
print('鍵盤(pán)被按下',chr(event.key))
if event.type==pygame.KEYUP:
print('鍵盤(pán)彈起',chr(event.key))
1-1.gif
二、鼠標(biāo)鍵盤(pán)應(yīng)用
import pygame
from random import randint
def rand_color():
"""
產(chǎn)生隨機(jī)顏色
"""
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))
# 只要屏幕上的內(nèi)容有更新悄但，都需要調(diào)用下面這兩個(gè)方法中的一個(gè)
# pygame.display.flip()
pygame.display.update()
# 寫(xiě)一個(gè)函數(shù)棠隐，判斷指定的點(diǎn)是否在指定的矩形范圍中
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
# 寫(xiě)一個(gè)函數(shù)，畫(huà)一個(gè)按鈕
def draw_button(screen, bth_color, title_color):
# 畫(huà)個(gè)按鈕
"""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))
# 按鈕坐標(biāo)
if __name__ == '__main__':
pygame.init()
screen = pygame.display.set_mode((600, 400))
screen.fill((255,255,255))
pygame.display.set_caption('鼠標(biāo)事件')
# 畫(huà)個(gè)按鈕
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:
# 在指定的坐標(biāo)處畫(huà)一個(gè)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)
效果如下：
2-1.gif
三檐嚣、鼠標(biāo)事件應(yīng)用2
要求：先在屏幕上顯示一張圖片助泽，鼠標(biāo)按下移動(dòng)的時(shí)候，拽著圖片跟著一起動(dòng)嚎京，鼠標(biāo)彈起就不動(dòng)了
import pygame
#寫(xiě)一個(gè)函數(shù)嗡贺，判斷一個(gè)點(diǎn)是否在某個(gè)范圍內(nèi)
# 點(diǎn)（x,y）
# 范圍 rect(x,y,w,h)
def is_in_rect(pos,rect):
x,y=pos
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((800,800))
screen.fill((255,255,255))
pygame.display.set_caption('圖片拖拽')
#顯示一張圖片
image = pygame.image.load('./趙麗穎2.jpg')
# image_size = image.get.size()
# print(image_size)
image_x=100
image_y=100
#顯示在屏幕上
screen.blit(image,(image_x,image_y))
pygame.display.flip()
#用來(lái)儲(chǔ)存圖片是否可以移動(dòng)
is_move=False
while True:
for event in pygame.event.get():
if event.type==pygame.QUIT:
exit()
#鼠標(biāo)按下，讓狀態(tài)變成可以移動(dòng)
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
#鼠標(biāo)彈起鞍帝，讓狀態(tài)變成不可以移動(dòng)
if event.type==pygame.MOUSEBUTTONUP:
is_move=False
#鼠標(biāo)移動(dòng)對(duì)應(yīng)的事件
if event.type == pygame.MOUSEMOTION:
if is_move:
screen.fill((255, 255, 255))
x, y = event.pos
image_w, image_h = image.get_size()
# 保證鼠標(biāo)在圖片的中心
image_y = y-image_h/2
image_x = x-image_w/2
screen.blit(image, (image_x, image_y))
pygame.display.update()
效果如下：
3.gif
四诫睬、動(dòng)畫(huà)效果
"""
動(dòng)畫(huà)原理：不斷刷新界面上的內(nèi)容（一幀一幀的畫(huà)）
"""
import pygame
from random import randint
def static_page(screen):
"""
頁(yè)面上的靜態(tài)顯示
:param screen:
:return:
"""
#靜態(tài)文字
font=pygame.font.SysFont('times',40)
title=font.render('welcome',True,(0,0,0))
screen.blit(title,(200,100))
def animation_title(screen):
"""
字體顏色發(fā)生改變
:param screen:
:return:
"""
font = pygame.font.SysFont('times', 40)
title = font.render('python', True, (randint(0,255),randint(0,255),randint(0,255)))
screen.blit(title, (200,200))
if __name__ == '__main__':
pygame.init()
screen=pygame.display.set_mode((600,400))
screen.fill((255,255,255))
pygame.display.set_caption('動(dòng)畫(huà)效果')
static_page(screen)
pygame.display.flip()
while True:
#for里面的代碼只有事件發(fā)生后才會(huì)執(zhí)行
for event in pygame.event.get():
if event.type==pygame.QUIT:
exit()
#在下面去寫(xiě)每一幀要顯示的內(nèi)容
#程序執(zhí)行到這個(gè)位置，線程在這阻塞指定的時(shí)間（毫秒）1000ms=1s
pygame.time.delay(300)
#動(dòng)畫(huà)前要將原來(lái)的內(nèi)容全部清空
screen.fill((255,255,255))
static_page(screen)
animation_title(screen)
#內(nèi)容展示完膜眠，要顯示更新到屏幕上
pygame.display.update()
效果如下：
4-1.gif
五岩臣、ballgame
import pygame
def draw_ball(place,color,pos):
"""
畫(huà)球
:param place:
:return:
"""
pygame.draw.circle(place,color,pos,20)
#方向?qū)?yīng)的值
Up=273
Down=274
Left=276
Right=275
if __name__ == '__main__':
pygame.init()
screen=pygame.display.set_mode((1000,600))
screen.fill((255,255,255))
pygame.display.flip()
#保存初始坐標(biāo)
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()
#通過(guò)上下左右鍵控制球的方向
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==Right:
y_speed=0
x_speed=1
if event.key==Left:
y_speed=0
x_speed=-1
# if event.type==pygame.KEYDOWN:
# print(event.key)
#刷新屏幕
screen.fill((255,255,255))
#每次循環(huán)讓球的x和y坐標(biāo)變化
ball_x+=x_speed
ball_y+=y_speed
#邊界檢測(cè)
if ball_x+20>=600 or ball_x<=20 or ball_y+20>=400 or ball_y<=20:
print('游戲結(jié)束')
exit()
# # ball_x=600-20
# x_speed*=-1
draw_ball(screen,(255,0,0),(ball_x,ball_y))
pygame.display.update()
效果如下：
5-1.gif
六、多個(gè)球動(dòng)起來(lái)
import pygame
import random
random_color=random.randint(0,255),random.randint(0,255),random.randint(0,255) #聲明一個(gè)變量同時(shí)賦多個(gè)值宵膨，相當(dāng)于一個(gè)元祖
if __name__ == '__main__':
pygame.init()
screen=pygame.display.set_mode((1000,700))
screen.fill((255,255,255))
pygame.display.flip()
#all_balls中保存多個(gè)球
#每個(gè)球要保存：半徑、圓心坐標(biāo)炸宵、顏色辟躏、x速度、y速度
all_balls=[{'r':random.randint(10,20),
'pos':(100,100),
'color':random_color,
'x_speed':random.randint(-3,3),
'y_speed':random.randint(-3,3)},
{'r':random.randint(10,20),
'pos':(300,300),
'color':random_color,
'x_speed':random.randint(-3,3),
'y_speed':random.randint(-3,3)},
{'r':random.randint(10,20),
'pos':(200,200),
'color':random_color,
'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:
random_color = random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)
ball={
'r':random.randint(10,25),
'pos':event.pos,
'color':random_color,
'x_speed':random.randint(-3,3),
'y_speed':random.randint(-3,3)
}
#保存球
all_balls.append(ball)
#刷新界面
screen.fill((255,255,255))
for ball_dict in all_balls:
#取出x和y坐標(biāo)以及他們的速度
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'])
#重新跟新球?qū)?yīng)的坐標(biāo)
ball_dict['pos']=x,y
pygame.display.update()
效果如下：
6.gif
