子弹类
class bullet():
def __init__(self,mx,my):
self.images = {
'b10': pygame.image.load('img/bfor10.png'),
'b20': pygame.image.load('img/bfor20.png'),
'b30': pygame.image.load('img/bfor30.png'),
}
self.rx=950-mx
self.ry=950-my
if not self.ry==0:
self.tan = (self.rx) / (self.ry)
self.angle=math.atan(self.tan)
self.speed=10
self.live=True
self.size='b10'
self.img=self.images[self.size]
self.rect = self.img.get_rect()
# 设置区域的left 和top
if self.size=='b10':
self.rect.left = 950-5
self.rect.top = 950-5
elif self.size=='b20':
self.rect.left = 950 - 10
self.rect.top = 950 - 10
elif self.size == 'b30':
self.rect.left = 950 - 15
self.rect.top = 950 - 15
def move(self):
if self.ry<0:
self.rect.left+=self.speed*math.sin(self.angle)
self.rect.top+=self.speed*math.cos(self.angle)
elif self.ry>0:
self.rect.left -= self.speed * math.sin(self.angle)
self.rect.top -= self.speed * math.cos(self.angle)
else:
if self.rx<0:
self.rect.left+=self.speed
else:
self.rect.left-=self.speed
def displaybullet(self):
game.window.blit(self.img,self.rect)
全部代码
import pygame
import random
import time
import math
class game():
window=None
bullet_list=[]
fish_list=[]
net_list=[]
player=None
def startgame(self):
pygame.display.init()
game.window = pygame.display.set_mode([1900, 1000])
pygame.display.set_caption('fisherman')
game.player=Battery()
while True:
time.sleep(0.05)
game.window.fill(pygame.Color(80,80,200,20))
self.getEVENT()
game.player.displayBattery()
self.blitbullet()
pygame.display.update()
def quit(self):
exit()
def getEVENT(self):
eventlist = pygame.event.get()
for event in eventlist:
if event.type == pygame.QUIT:
self.quit()
if event.type == pygame.MOUSEMOTION:
mouseX = event.pos[0]
mouseY = event.pos[1]
game.player.msX=mouseX
game.player.msY=mouseY
if event.type==pygame.MOUSEBUTTONDOWN:
game.bullet_list.append(bullet(event.pos[0],event.pos[1]))
def blitbullet(self):
for bullet in game.bullet_list:
bullet.displaybullet()
bullet.move()
class Baseitem(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
class net(Baseitem):
def __init__(self):
pass
def displaynet(self):
pass
class fish(Baseitem):
def __init__(self):
pass
def move(self):
pass
def display(self):
pass
class bullet():
def __init__(self,mx,my):
self.images = {
'b10': pygame.image.load('img/bfor10.png'),
'b20': pygame.image.load('img/bfor20.png'),
'b30': pygame.image.load('img/bfor30.png'),
}
self.rx=950-mx
self.ry=950-my
if not self.ry==0:
self.tan = (self.rx) / (self.ry)
self.angle=math.atan(self.tan)
self.speed=10
self.live=True
self.size='b10'
self.img=self.images[self.size]
self.rect = self.img.get_rect()
# 设置区域的left 和top
if self.size=='b10':
self.rect.left = 950-5
self.rect.top = 950-5
elif self.size=='b20':
self.rect.left = 950 - 10
self.rect.top = 950 - 10
elif self.size == 'b30':
self.rect.left = 950 - 15
self.rect.top = 950 - 15
def move(self):
if self.ry<0:
self.rect.left+=self.speed*math.sin(self.angle)
self.rect.top+=self.speed*math.cos(self.angle)
elif self.ry>0:
self.rect.left -= self.speed * math.sin(self.angle)
self.rect.top -= self.speed * math.cos(self.angle)
else:
if self.rx<0:
self.rect.left+=self.speed
else:
self.rect.left-=self.speed
def displaybullet(self):
game.window.blit(self.img,self.rect)
class Battery():
def __init__(self):
self.img=pygame.image.load('img/pt.png')
self.rect=self.img.get_rect()
self.msX=950
self.msY=400
def displayBattery(self):
pygame.draw.line(game.window, pygame.Color(0, 0, 0), (self.msX, self.msY), (950, 950))
self.rect.left=850
self.rect.top=850
self.rX = 950 - self.msX
self.rY = 950 - self.msY
if not self.rY==0:
self.tan = self.rX / self.rY
self.angle_pi=math.atan(self.tan)
self.angle=self.angle_pi/math.pi*180
self.changed=(math.sin(math.fabs(self.angle_pi))*200+math.cos(self.angle_pi)*200)/2-100
self.rect.left-=self.changed
self.rect.top-=self.changed
if not self.rY==0:
if self.rY<0:
self.timg = pygame.transform.rotate(self.img,180+self.angle)
game.window.blit(self.timg, self.rect)
elif self.rY>0:
self.timg=pygame.transform.rotate(self.img,self.angle)
game.window.blit(self.timg,self.rect)
else:
if self.rX>=0:
game.window.blit(pygame.transform.rotate(self.img,90),(850,850))
else:
game.window.blit(pygame.transform.rotate(self.img, -90), (850, 850))
if __name__=='__main__':
game().startgame()
子弹是10x10像素的
从坐标950,950发射
刚开始学Python也第一次在这里提问，希望有大哥能帮我分析一下
