pygame旋转角度发射射线

在这里插入图片描述
self.x = self.x + math.cos(math.radians(self.xuanzhuanjiao)) * 70
self.y = self.y - math.sin(math.radians(self.xuanzhuanjiao)) * 70
旋转角度，70是间隔间隔太小会卡

import pygame
from pygame.locals import *
import sys
import mathpygame.init()width, height = 900, 900
screen = pygame.display.set_mode((width, height))
c=pygame.time.Clock()
q = [[1, 1, 1, 1, 1, 1, 1, 1],[1, 0, 0, 0, 0, 0, 0, 1],[1, 0, 0, 0, 0, 0, 0, 1],[1, 0, 0, 0, 0, 0, 0, 1],[1, 0, 0, 0, 0, 0, 0, 1],[1, 0, 0, 0, 0, 0, 0, 1],[1, 0, 0, 0, 0, 0, 0, 1],[1, 1, 1, 1, 1, 1, 1, 1]]px=70
py=70
du=0
left=False
right=False
down=False
up=False
img = pygame.image.load("1.png")  # 替换为您自己的图像文件路径
img=pygame.transform.scale(img,(30,30))
ci=0
sz=[]
qsz=[]
xiansz=[(0,0)]
xuanzhuanjiao=0
class zidan:#global xianszdef __init__(self):self.x = selfself.y = selfself.endx=selfself.endy=selfself.xiansz=selfself.xuanzhuanjiao=selfdef up(self):self.x = self.x + math.cos(math.radians(self.xuanzhuanjiao)) * 70self.y = self.y - math.sin(math.radians(self.xuanzhuanjiao)) * 70def chuangjian(self):#self.endx = px#self.endy = pyp=pygame.draw.rect(screen, (40, 140, 40), (self.x, self.y, 10,20), 0)#print(self.x,self.y,"d没碰")if(p.collidelistall(qsz)):#碰撞检测xiansz.clear()#先清空数组，前面有初始化#self.endx, self.endy = self.x, self.yxiansz.append((self.x,self.y))#使用对象外的数组，要是对象自己的变量，在碰撞后会覆盖碰撞位置的x，y#print(self.x,self.y,"duixiang",xiansz)
def player(x,y,zhuan):#pygame.draw.line(screen, (40, 140, 40), (x, y), (74, 713))#print(du)screen.blit(zhuan,(x,y))def dl(x,y):pygame.draw.line(screen, (40, 140, 40), (x, y), (x, 700))# def shexian(px,py,juli,xuanzhuanjiao):
#     xuan=0
#     for c in range(10):
#         c=c+c*1.7#每条射线间距离
#         print(c)
#         end_point_x = px + int(juli) * math.cos(math.radians(c))
#         end_point_y = py - int(juli) * math.sin(math.radians(c))
#         end_point = (end_point_x, end_point_y)
#
#         pygame.draw.line(screen, (255, 0, 0), (px, py), end_point, 2)while True:screen.fill((255, 255, 255))#c.tick(70)for event in pygame.event.get():if event.type == QUIT:pygame.quit()sys.exit()keys = pygame.key.get_pressed()if keys[pygame.K_UP]:print("up")py=py -10if keys[pygame.K_LEFT]:#zuopx=px-10if keys[pygame.K_DOWN]:#xiaprint("up")py = py + 10if keys[pygame.K_RIGHT]:#you#xuanzhuanjiao=xuanzhuanjiao+1px=px+10#print(sz)#在这直接写会变成子弹，写成函数qiang（ci）就能画成一次，不会移动的墙if keys[pygame.K_a]:xuanzhuanjiao=xuanzhuanjiao+10right=Trueif event.type == pygame.KEYUP:right = Falseif keys[pygame.K_l]:xuanzhuanjiao=xuanzhuanjiao-10#if keys[pygame.K_SPACE]:zi = zidan()  # 一直创建，超过屏幕会回收的zi.x = pxzi.y = pyzi.xuanzhuanjiao = xuanzhuanjiaosz.append(zi)for h in range(len(q)):#画墙#print(q[h],"行",h)for g in range(len(q[h])):if q[h][g]==1:#print(q[h][g],"个",g,h)pz=pygame.draw.rect(screen, (140, 240, 40), (100+h*60, 100+g*60, 60, 60))qsz.append(pz)player(px,py,img)dl(px,py)#print(right)for e in (sz):#遍历子弹数组#print(i)e.up()e.chuangjian()if(e.x>700 or e.x<100 or e.y>700 or e.y<70):sz.remove(e)for i in (sz):#画射线pygame.draw.line(screen, (40, 140, 40), (px, py), (xiansz[0]))p=pygame.math.Vector2(px,py)#角色位置p1=pygame.math.Vector2(xiansz[0])#碰撞点x，yjuli=p.distance_to(p1)#计算距离，其实有距离后不用再画射线，后面画墙，画射线是为了理解# for c in range(16):#     c = c + c * 0.1  # 每条射线间距离#     #print(c)#     end_point_x = px + int(juli) * math.cos(math.radians(c+xuanzhuanjiao))#     end_point_y = py - int(juli) * math.sin(math.radians(c+xuanzhuanjiao))#     end_point = (end_point_x, end_point_y)##     pygame.draw.line(screen, (255, 0, 0), (px, py), end_point, 2)#     print(end_point, "点", xiansz,xuanzhuanjiao,juli)# #if (i.x > 500):#     #sz.remove(i)#在这直接写会变成子弹，写成函数qiang（ci）就能画成一次，不会移动的墙print(px,py)pygame.display.flip()