网站建设华科技公司,做招聘网站需要人力资源许可,注册页面设计代码,专业柳州网站建设多少钱主要算法#xff1a;
创建一个二维矩阵映射到屏幕上的像素#xff0c;逻辑在该矩阵中实现
移动通过4个矢量完成#xff0c;矢量储存在列表中按照 上右下左 的顺序排列#xff08;顺时针90度#xff09;#xff0c;
当前矢量以0-3的数字表达#xff0c;这样进行加二除… 主要算法
创建一个二维矩阵映射到屏幕上的像素逻辑在该矩阵中实现
移动通过4个矢量完成矢量储存在列表中按照 上右下左 的顺序排列顺时针90度
当前矢量以0-3的数字表达这样进行加二除余可以实现判断180度方向无效
蛇身以列表方式表达每次游戏循环时在列表头部插入一个蛇头如果没有吃到东西则把蛇尾去掉 关于按键太快会导致撞到自己 pygame在检测到2个按键的时候有可能会把矢量反向
解决方法 每一帧只计算一个按键
操作 WSAD 方向 在游戏结束之后按R重新开始 import pygame as pg
import time
import randomclass Tile():def __init__(self,x,y): #主要是储存数据和绘制图形self.x,self.y x,yself.connected [0,0,0,0] # up,right,down,left 0 for not connectedself.tile_size [(game_size[0]-100)/grid_size[0],(game_size[1]-100)/grid_size[1]]self.rectangle (self.x*self.tile_size[0]50,self.y*self.tile_size[1]50,self.tile_size[0],self.tile_size[1])self.tile_type 0 # 0 empty, 1 snake, 2 fruitdef draw(self,color (0,0,0)): #x,y represents the tile coordinatespg.draw.rect(screen,tile_color[self.tile_type],self.rectangle) #绘制节点def generate_fruit():global fruitx,y random.randint(0,grid_size[0]),random.randint(0,grid_size[1])while matrix[y][x].tile_type ! 0:x,y random.randint(0,grid_size[0]),random.randint(0,grid_size[1])fruit matrix[y][x]fruit.tile_type 2def initialize():global scoreglobal game_lostglobal fruitglobal matrixglobal snakeglobal step_scoregame_lost Falsescore 0step_score 200matrix []for y in range(grid_size[1]1):temp []for x in range(grid_size[0]1):temp.append(Tile(x,y))matrix.append(temp)x,y random.randint(0,grid_size[0]),random.randint(0,grid_size[1])snake [matrix[y][x]]snake[0].tile_type 1generate_fruit()def calculation():global game_lostglobal scoreglobal step_scorehead snake[0]x,y head.x,head.ydx,dy vectors[current_vector]if xdx not in range(grid_size[0]1) or ydy not in range(grid_size[1]1):return Trueif matrix[ydy][xdx].tile_type 1:return Trueif matrix[ydy][xdx].tile_type 2:score step_scorestep_score 200generate_fruit()else:snake[-1].tile_type 0snake.pop(-1)snake.insert(0,matrix[ydy][xdx])snake[0].tile_type 1if __name__ ! __main__: #八股专用exit()#initialize parameter
tile_color [(0,0,0),(0,255,0),(255,0,0)]
vector_ref {pg.K_w:0,pg.K_d:1,pg.K_s:2,pg.K_a:3} #starting up, clockwise
vectors [[0,-1],[1,0],[0,1],[-1,0]]
current_vector random.randint(0,3)
screen_size [1200,800]
game_size [800,800]
grid_size [20,20]
dt 0screen pg.display.set_mode(screen_size)
pg.init()font pg.font.Font(freesansbold.ttf, 32)
initialize()
high_score 0
#game loop
run True
while run:replay Falset_start time.time()screen.fill((255,255,255))step_score - 1high_score score if score high_score else high_scoreevents pg.event.get()for event in events:if event.type pg.QUIT:run Falsepg.quit()if event.type pg.KEYDOWN:if event.key in vector_ref:target_vector vector_ref[event.key]if (target_vector2)%4 ! current_vector:current_vector target_vectorbreakif event.key pg.K_r:replay Trueif game_lost:if replay:initialize()else:game_lost calculation()for y in range(len(matrix)):for x in range(len(matrix[y])):matrix[y][x].draw()score_text font.render(fscore: {score}, True, (0,0,0), (255,255,255))screen.blit(score_text,(850,200))high_score_text font.render(fhigh score: {high_score}, True, (0,0,0), (255,255,255))screen.blit(high_score_text,(850,300))if dt ! 0:time_text font.render(ffps:{1/(dt)}, True, (0,0,0), (255,255,255))screen.blit(time_text,(850,100))pg.display.update()time.sleep(0.1)dt time.time()-t_start
