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目录一、先搭个架子(一)黏贴背景图:(二)增加中间的圈圈(三)让大转盘自己动起来二、再加个指针,幸运的小指针(一)小指针不动,转盘动(二)转盘不动,小指针动三、增加随时数算法,实现随
继续分享pygame有趣的技术知识,欢迎往下看。
实现代码如下:
import pygame
pygame.init() # 初始化pygame类
screen = pygame.display.set_mode((600, 600)) # 设置窗口大小
pygame.display.set_caption('幸运大转盘') # 设置窗口标题
tick = pygame.time.Clock()
fps = 10 # 设置刷新率,数字越大刷新率越高
# 方法一
# bg = pygame.image.load("./幸运大转盘.png").convert()
# 方法二
picture = pygame.transfORM.scale(pygame.image.load("./幸运大转盘.png"), (600, 600))
bg=picture.convert()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
# screen.fill((255, 255, 0)) # 设置背景为白色
screen.blit(bg, (0, 0))
tick.tick(fps)
pygame.display.flip() # 刷新窗口
核心代码:
pygame.draw.circle(screen,(255,255,0),(300,300),50)
代码解释:
绘制圆形方法:pygame.draw.circle(Surface, color, pos , raduis, width)
其中:
效果图:
相关代码如下:
import pygame
pygame.init() # 初始化pygame类
screen = pygame.display.set_mode((600, 600)) # 设置窗口大小
pygame.display.set_caption('幸运大转盘') # 设置窗口标题
tick = pygame.time.Clock()
fps = 10 # 设置刷新率,数字越大刷新率越高
# 方法一
# bg = pygame.image.load("./幸运大转盘.png").convert()
# 方法二
picture = pygame.transform.scale(pygame.image.load("./幸运大转盘.png"), (600, 600))
bg=picture.convert()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
# screen.fill((255, 255, 0)) # 设置背景为白色
screen.blit(bg, (0, 0))
pygame.draw.circle(screen,(255,255,0),(300,300),50)
tick.tick(fps)
pygame.display.flip() # 刷新窗口
核心代码:
newbg = pygame.transform.rotate(bg, angle)
newRect = newbg.get_rect(center=(300,300))
angle -= 1
screen.blit(newbg, newRect)
运行效果:
相关代码如下:
import pygame
pygame.init() # 初始化pygame类
screen = pygame.display.set_mode((600, 600)) # 设置窗口大小
pygame.display.set_caption('幸运大转盘') # 设置窗口标题
tick = pygame.time.Clock()
fps = 10 # 设置刷新率,数字越大刷新率越高
# 方法一
# bg = pygame.image.load("./幸运大转盘.png").convert()
# 方法二
picture = pygame.transform.scale(pygame.image.load("./幸运大转盘.png"), (600, 600))
bg=picture.convert()
angle = 0
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
# screen.fill((255, 255, 0)) # 设置背景为白色
newbg = pygame.transform.rotate(bg, angle)
newRect = newbg.get_rect(center=(300,300))
angle -= 1
screen.blit(newbg, newRect)
# screen.blit(bg, (0, 0))
pygame.draw.circle(screen,(255,255,0),(300,300),50)
tick.tick(fps)
pygame.display.flip() # 刷新窗口
运行效果:
相关代码如下:
import pygame
pygame.init() # 初始化pygame类
screen = pygame.display.set_mode((600, 600)) # 设置窗口大小
pygame.display.set_caption('幸运大转盘') # 设置窗口标题
tick = pygame.time.Clock()
fps = 10 # 设置刷新率,数字越大刷新率越高
picture = pygame.transform.scale(pygame.image.load("./幸运大转盘.png"), (600, 600))
bg=picture.convert()
picture = pygame.transform.scale(pygame.image.load("./hand.png"), (30, 230))
hand = picture.convert_alpha()
angle = 0
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
newbg = pygame.transform.rotate(bg, angle)
newRect = newbg.get_rect(center=(300,300))
angle -= 1
screen.blit(newbg, newRect)
newRect = hand.get_rect(center=(300,150))
screen.blit(hand,newRect)
pygame.draw.circle(screen,(255,255,0),(300,300),50)
tick.tick(fps)
pygame.display.flip() # 刷新窗口
思路:转盘指针的框的中心点按照圆的轨迹进行移动,然后在移动的过程中同步旋转对应的角度,这样就整个指针一方面移动,一方面转动。实现了自然的按照中心旋转的效果了。
1、先自己画指针矩形框的中心点移动
代码如下:
import pygame,sys
import math
pygame.init() # 初始化pygame类
screen = pygame.display.set_mode((600, 600)) # 设置窗口大小
pygame.display.set_caption('幸运大转盘') # 设置窗口标题
tick = pygame.time.Clock()
fps = 100 # 设置刷新率,数字越大刷新率越高
picture = pygame.transform.scale(pygame.image.load("./幸运大转盘.png"), (600, 600))
bg=picture.convert()
picture = pygame.transform.scale(pygame.image.load("./hand.png"), (30, 230))
hand = picture.convert_alpha()
angle = 0
pos_list = []
while True:
posx = 300+int(150*math.sin(135+angle/360))
posy = 300+int(150*math.cos(135+angle/360))
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
screen.blit(bg,(0,0))
pos_list.append((posx,posy))
for pos in pos_list:
pygame.draw.circle(screen, (0, 0, 0), pos, 1)
angle -= 2
pygame.draw.circle(screen,(255,255,0),(300,300),80)
tick.tick(fps)
pygame.display.flip() # 刷新窗口
效果如下:
2、增加指针转动(不完善的版本)
代码如下:
import pygame,sys
import math
pygame.init() # 初始化pygame类
screen = pygame.display.set_mode((600, 600)) # 设置窗口大小
pygame.display.set_caption('幸运大转盘') # 设置窗口标题
tick = pygame.time.Clock()
fps = 100 # 设置刷新率,数字越大刷新率越高
picture = pygame.transform.scale(pygame.image.load("./幸运大转盘.png"), (600, 600))
bg=picture.convert()
picture = pygame.transform.scale(pygame.image.load("./hand.png"), (30, 230))
hand = picture.convert_alpha()
angle = 0
pos_list = []
while True:
posx = 300+int(150*math.sin(135+angle/360))
posy = 300+int(150*math.cos(135+angle/360))
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
screen.blit(bg,(0,0))
pos_list.append((posx,posy))
for pos in pos_list:
pygame.draw.circle(screen, (0, 0, 0), pos, 1)
newhand = pygame.transform.rotate(hand, angle/6)
# old_center = rect.center
newRect = newhand.get_rect(center=(posx,posy))
screen.blit(newhand,newRect)
pygame.draw.rect(screen, (255,0,0), newRect, 1)
# if angle>-10:
angle -= 2
print(angle)
if angle < -2250:
angle = 0
pygame.draw.circle(screen,(255,255,0),(300,300),80)
tick.tick(fps)
pygame.display.flip() # 刷新窗口
效果如下:
3、增加指针转动(修正版)
发现原来是math类库中的sin和cos函数传递的参数问题。
Math.Sin()里面的是弧度制。 如果是sin(30),就用Math.Sin(Math.PI*30.0/180.0);
因此主要修改的代码如下:
posx = 300 + int(150 * math.sin(angle * math.pi / 180))
posy = 300 - int(150 * math.cos(angle * math.pi / 180))
对应的运行效果如下:
想运行快点的话,就把angle的参数变大就好。
完整代码如下:
import pygame
import math
pygame.init() # 初始化pygame类
screen = pygame.display.set_mode((600, 600)) # 设置窗口大小
pygame.display.set_caption('幸运大转盘') # 设置窗口标题
tick = pygame.time.Clock()
fps = 10 # 设置刷新率,数字越大刷新率越高
picture = pygame.transform.scale(pygame.image.load("./幸运大转盘.png"), (600, 600))
bg=picture.convert()
picture = pygame.transform.scale(pygame.image.load("./hand.png"), (30, 230))
hand = picture.convert_alpha()
angle = 0
while True:
posx = 300 + int(150 * math.sin(angle * math.pi / 180))
posy = 300 - int(150 * math.cos(angle * math.pi / 180))
print(posx, posy, math.sin(angle * math.pi / 180))
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
screen.blit(bg,(0,0))
newhand = pygame.transform.rotate(hand, -angle)
newRect = newhand.get_rect(center=(posx,posy))
screen.blit(newhand,newRect)
angle += 10
pygame.draw.circle(screen,(255,255,0),(300,300),50)
tick.tick(fps)
pygame.display.flip() # 刷新窗口
直接借用了这个算法:
轮盘分为三部分: 一等奖, 二等奖和三等奖;
轮盘转的时候是随机的,
如果范围在[0,0.08)之间,代表一等奖,
如果范围在[0.08,0.3)之间,代表2等奖,
如果范围在[0.3, 1.0)之间,代表3等奖,
把该算法封装成函数,相关代码如下:
rewardDict = {
'一等奖': (0, 0.03),
'二等奖': (0.03, 0.2),
'三等奖': (0.2, 1)
}
def rewardFun():
"""用户的得奖等级"""
# 生成一个0~1之间的随机数
number = random.random()
# 判断随机转盘是几等奖
for k, v in rewardDict.items():
if v[0] <= number < v[1]:
return k
def start():
while True:
for event in pygame.event.get():
# 处理退出事件
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
elif event.type == pygame.KEYDOWN:
if (event.key == pygame.K_ESCAPE):
pygame.quit()
sys.exit()
else:
return
screen.blit(bg,(0,0))
newRect = hand.get_rect(center=(300,150))
screen.blit(hand,newRect)
pygame.draw.circle(screen,(255,255,0),(300,300),50)
textFont = pygame.font.Font("./font/font.ttf", 80)
textSurface = textFont.render("Go", True, (110, 55, 155))
screen.blit(textSurface, (270, 230))
pygame.display.update()
def end(k):
textFont = pygame.font.Font("./font/font.ttf", 50)
textSurface = textFont.render("your awards is :%s" % k, True, (110, 55, 155))
screen.fill((155, 155, 0))
screen.blit(textSurface, (30, 230))
import pygame,sys
import math
import random
pygame.init() # 初始化pygame类
screen = pygame.display.set_mode((600, 600)) # 设置窗口大小
pygame.display.set_caption('幸运大转盘') # 设置窗口标题
tick = pygame.time.Clock()
fps = 10 # 设置刷新率,数字越大刷新率越高
picture = pygame.transform.scale(pygame.image.load("./幸运大转盘.png"), (600, 600))
bg=picture.convert()
picture = pygame.transform.scale(pygame.image.load("./hand.png"), (30, 230))
hand = picture.convert_alpha()
rewardDict = {
'first level': (0, 0.03),
'second level': (0.03, 0.2),
'third level': (0.2, 1)
}
def rewardFun():
"""用户的得奖等级"""
# 生成一个0~1之间的随机数
number = random.random()
# 判断随机转盘是几等奖
for k, v in rewardDict.items():
if v[0] <= number < v[1]:
return k
def start():
while True:
for event in pygame.event.get():
# 处理退出事件
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
elif event.type == pygame.KEYDOWN:
if (event.key == pygame.K_ESCAPE):
pygame.quit()
sys.exit()
else:
return
screen.blit(bg,(0,0))
newRect = hand.get_rect(center=(300,150))
screen.blit(hand,newRect)
pygame.draw.circle(screen,(255,255,0),(300,300),50)
textFont = pygame.font.Font("./font/font.ttf", 80)
textSurface = textFont.render("go", True, (110, 55, 155))
screen.blit(textSurface, (270, 230))
pygame.display.update()
def middle():
angle = 0
while True:
posx = 300 + int(150 * math.sin(angle * math.pi / 180))
posy = 300 - int(150 * math.cos(angle * math.pi / 180))
print(posx, posy, math.sin(angle * math.pi / 180))
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
screen.blit(bg,(0,0))
newhand = pygame.transform.rotate(hand, -angle)
newRect = newhand.get_rect(center=(posx,posy))
screen.blit(newhand,newRect)
pygame.draw.circle(screen,(255,255,0),(300,300),50)
angle += 10
if angle > 500:
k = rewardFun()
end(k)
tick.tick(fps)
pygame.display.flip() # 刷新窗口
def end(k):
textFont = pygame.font.Font("./font/font.ttf", 50)
textSurface = textFont.render("your awards is :%s" % k, True, (110, 55, 155))
screen.fill((155, 155, 0))
screen.blit(textSurface, (30, 230))
if __name__ == '__main__':
start()
middle()
运行效果如下:
总算完整写完了整个案例,发现通过在上班过程中抽空写这些博客,真的很难,码字不易、输出不易,且行且珍惜。
里面有很多细节么有优化、自己都发现很多bug,没有很多的时间去完善和改进,欢迎各位多多提出宝贵意见。
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本文标题: pygame可视化幸运大转盘实现
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