貪喫蛇008(終結版)

 

import random
import sys

import pygame
from pygame.locals import *

#窗口變量
windows_width = 800
windows_height = 800
cell_size = 20 #方塊大小
cell_width=windows_width//cell_size
cell_height = windows_height//cell_size

#設置顏色變量
green = (0,255,0)
red = (255,0,0)
blue = (0,0,255)
black = (0,0,0)
blue2 = (4,23,120)
red2=(201,23,12)
dark_gray = (100,100,100)
dark_blue = (0,0,139)
yellow = (255,255,0)

snake_speed = 30 # 貪喫蛇的速度


pygame.init()
screen = pygame.display.set_mode((windows_width,windows_height))
screen.fill(blue2)
pygame.display.set_caption("PYTHON 貪喫蛇98")

snake_speed_clock = pygame.time.Clock()

#開始界面
gamestart = pygame.image.load('gamestart.png')
gamestart = pygame.transform.scale(gamestart,(windows_width,windows_height)) # transform.scale縮放圖片
screen.blit(gamestart,(0,0))  #blit 第一個參數：要顯示的元素，第二個參數：座標

font1 = pygame.font.Font('my_pygame/resources/font/myfont.ttf',60)
tip1 = font1.render("貪喫蛇",True,black)
screen.blit(tip1,(300,15))

font = pygame.font.Font('my_pygame/resources/font/myfont.ttf',40)
tip = font.render("按任意鍵開始遊戲(按ESC退出遊戲)",True,blue) #設定需要顯示的文字，True代表打開抗鋸齒（字體顯示平滑），blue顏色
screen.blit(tip, (100, 300))

pygame.display.update()

pygame.mixer.music.stop()
pygame.mixer.music.load("bensound-endlessmotion.wav")
pygame.mixer.music.set_volume(0.1)
pygame.mixer.music.play(-1)


i=1
while i>0:
    for event in pygame.event.get():
        if event.type == pygame.constants.QUIT:
            pygame.quit()
            sys.exit()
        elif event.type == pygame.constants.KEYDOWN:
            if event.key == pygame.constants.K_ESCAPE:
                pygame.quit()
                sys.exit()
            else:
                i=0

direction = "RIGHT"
# 設置貪喫蛇的位置
startx = starty = random.randint(4, cell_height)
# 初始貪喫蛇，三節蛇身
snake_coords = [{'x': startx, 'y': starty},
                {'x': startx - 1, 'y': starty},
                {'x': startx - 2, 'y': starty},
                {'x': startx - 3, 'y': starty}
                ]
food_coords = [{'x': random.randint(0, cell_width - 1), 'y': random.randint(0, cell_height - 1)},
        {'x': random.randint(0, cell_width - 1), 'y': random.randint(0, cell_height - 1)},
        {'x': random.randint(0, cell_width - 1), 'y': random.randint(0, cell_height - 1)},
        {'x': random.randint(0, cell_width - 1), 'y': random.randint(0, cell_height - 1)}]
scores = 0

j=1
while j>0:
    for event in pygame.event.get():
        if event.type == QUIT:
            pygame.quit()
            sys.exit()
        elif event.type == KEYDOWN:
            if event.key == K_ESCAPE:
                pygame.quit()
                sys.exit()
            elif event.key == K_LEFT or event.key == K_a:
                direction = "LEFT"
            elif event.key == K_RIGHT or event.key == K_d:
                direction = "RIGHT"
            elif event.key == K_UP or event.key == K_w:
                direction = "UP"
            elif event.key == K_DOWN or event.key == K_s:
                direction = "DOWN"

    if direction == "RIGHT":
        newHead = {'x': snake_coords[0]["x"] + 1, 'y': snake_coords[0]["y"]}
    elif direction == "LEFT":
        newHead = {'x': snake_coords[0]["x"] - 1, 'y': snake_coords[0]["y"]}
    elif direction == "UP":
        newHead = {'x': snake_coords[0]["x"], 'y': snake_coords[0]["y"] - 1}
    elif direction == "DOWN":
        newHead = {'x': snake_coords[0]["x"], 'y': snake_coords[0]["y"] + 1}

    snake_coords.insert(0,newHead)

    # 1、蛇頭增加，蛇身減少
    # 2、喫到食物
    # 3、喫到自己，遊戲結束
    # 4、拓展：蛇頭單獨着色

    for i in range(len(food_coords)):
        if snake_coords[0]["x"] == food_coords[i]["x"] and snake_coords[0]["y"] == food_coords[i]["y"]:
            scores += 10
            food_coords[i]= {"x": random.randint(0, cell_width - 1), "y": random.randint(0, cell_height - 1)}
            break
    else:
        del snake_coords[-1]

    #
    # if modify_index != -1:
    #     food_coords[modify_index] = {'x': random.randint(0, cell_width - 1), 'y': random.randint(0, cell_height - 1)}

    # modify_index = -1
    # for food_index in range(len(food_coords)):
    #     if snake_coords[0]["x"] == food_coords[food_index]["x"] and snake_coords[0]["y"] == food_coords[food_index]["y"]:
    #         modify_index = food_index
    #         scores += 1
    #         break
    # else:
    #     del snake_coords[-1]
    # if modify_index != -1:
    #     food_coords[modify_index] = {'x': random.randint(0, cell_width - 1), 'y': random.randint(0, cell_height - 1)}

    #3、喫到自己，遊戲結束
    for snake_body in snake_coords[1:]:
        if snake_coords[0]["x"] == snake_body["x"] and snake_coords[0]["y"] == snake_body["y"]:
            break
    #4、拓展：蛇頭單獨着色

    screen.fill(blue2)
    # 畫網格線  # draw.line五個參數，surface,顏色，起始點，終止點，線寬（默認爲1）
    for x in range(0, windows_width, cell_size):  # 垂直線，每隔cell_size（20）劃一條垂直線
        pygame.draw.line(screen, dark_gray, (x, 0), (x, windows_height))
    for y in range(0, windows_height, cell_size):  # 水平線，每隔cell_size（20）劃一條水平線
        pygame.draw.line(screen, dark_gray, (0, y), (windows_width, y))

    # 畫蛇頭
    snake_head_x = snake_coords[0]["x"]*cell_size
    snake_head_y = snake_coords[0]["y"]*cell_size
    wormHeadRect = pygame.Rect(snake_head_x, snake_head_y, cell_size, cell_size)
    pygame.draw.rect(screen, yellow, wormHeadRect)
    # 畫蛇身
    for coord in snake_coords[1:]:  # 變量列表，得到三節蛇身的座標
        x = coord['x'] * cell_size
        y = coord['y'] * cell_size
        wormSegmentRect = pygame.Rect(x, y, cell_size, cell_size)
        # pygame.Rect四個參數，x，y座標，寬，高
        pygame.draw.rect(screen, red2, wormSegmentRect)
        # draw.rect四個參數Surface,顏色,上面的Rect（x，y，寬，高）, 線條寬度（默認0）
        wormInnerSegmentRect = pygame.Rect(x + 2, y + 2, cell_size - 4, cell_size - 4)
        # 爲了美觀，內部再畫一個方塊
        pygame.draw.rect(screen, blue, wormInnerSegmentRect)

    # 畫食物
    for food in food_coords:
        x = food['x'] * cell_size
        y = food['y'] * cell_size
        appleRect = pygame.Rect(x, y, cell_size, cell_size)
        pygame.draw.rect(screen, dark_gray, appleRect)
        gamestart = pygame.image.load('apple.jpg')
        gamestart = pygame.transform.scale(gamestart, (cell_size, cell_size))  # transform.scale縮放圖片
        screen.blit(gamestart, (x, y))
        # appleInnerRect = pygame.Rect(x + 3, y + 3, cell_size - 6, cell_size - 6)
        # pygame.draw.rect(screen, (0, 255, 0), appleInnerRect)

    #顯示得分
    font = pygame.font.Font('my_pygame/resources/font/myfont.ttf', 40)
    text = '得分: ' + str(scores)
    text_score = font.render(text, 1, (223, 223, 223))
    screen.blit(text_score,(40,40))

    pygame.display.update()

    snake_speed_clock.tick(snake_speed)