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那些年我們一起玩過的遊戲(五)-貪吃蛇(下) - play.py
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play.py
# encoding: utf-8
import os, random, sys, random
import pygame
from pygame.locals import *
from doublyLinkedList import *
# 初始位置.
CONST_STARTING_SNAKE_POS_X = 32
CONST_STARTING_SNAKE_POS_Y = 24
# 視窗大小.
canvas_width = 800
canvas_height = 600
# 遊戲區大小.
game_area_width = 64
game_area_height = 48
# 顏色.
block = (0,0,0)
darkBlock = (148,190,2)
darkGreen = (41,66,0)
# 遊戲區陣列.
gameAreaArray =[[0]*game_area_height for i in range(game_area_width)]
# 除錯訊息.
debug_message = False
# 判斷遊戲結束.
game_over = False
# 分數.
score = 0
# 每秒執行主迴圈次數.
fps = 8
# 開始位置.
snake_x = CONST_STARTING_SNAKE_POS_X
snake_y = CONST_STARTING_SNAKE_POS_Y
# 前進方向.
# 0:上 1:下 2:左 3:右.
direction = 1
# 產生節點數.
generate_node = 3
# 蛇身體位置串列.
snake_body_linkedList = DoublyLinkedList()
# 要吃的節點資料.
# 0:x 1:y 2:產生蛇身數量.
eat_data = [32,24,5]
# 10:遊戲開始.
# 11:GameOver.
game_mode = 10
#-------------------------------------------------------------------------
# 函數:亂數產生要吃的數字節點.
#-------------------------------------------------------------------------
def randomEatData():
r = True
while r:
# 亂數陣列位置.
eat_data[0] = random.randint(2, 61)
eat_data[1] = random.randint(7, 45)
# 亂數產生增加蛇身數量.
eat_data[2] = random.randint(3, 9)
# 陣列位置為空.
if(gameAreaArray[eat_data[0]][eat_data[1]] == 0):
# 設定產生蛇身數量.
gameAreaArray[eat_data[0]][eat_data[1]] = eat_data[2]
# 離開迴圈.
r = False
#-------------------------------------------------------------------------
# 函數:秀字.
#-------------------------------------------------------------------------
def showFont( text, x, y, color, size):
global canvas
if(size==24):
text = font_24.render(text, True, color)
else:
text = font_40.render(text, True, color)
canvas.blit( text, (x,y))
#-------------------------------------------------------------------------
# 函數:重新開始遊戲.
#-------------------------------------------------------------------------
def resetGame():
global game_mode, score,snake_x, snake_y
# 分數.
score = 0
# 開始位置.
snake_x = CONST_STARTING_SNAKE_POS_X
snake_y = CONST_STARTING_SNAKE_POS_Y
# 蛇身位置串列.
for i in range(snake_body_linkedList.size()-3):
snake_body_linkedList.remove_first()
# 清除畫面陣列.
for y in range(game_area_height):
for x in range(game_area_width):
gameAreaArray[x][y] = 0
# 亂數產生要吃的數字節點..
randomEatData()
# 開始遊戲.
game_mode = 10
#-------------------------------------------------------------------------
# 主程式.
#-------------------------------------------------------------------------
if __name__=='__main__':
# 初始.
pygame.init()
# 顯示Title.
pygame.display.set_caption(u"貪吃蛇")
# 建立畫佈大小.
canvas = pygame.display.set_mode((canvas_width, canvas_height))
# 時脈.
clock = pygame.time.Clock()
# 設定字型.
font_24 = pygame.font.Font("Fonts/Cascadia.ttf", 24)
font_40 = pygame.font.Font("Fonts/Cascadia.ttf", 40)
# 亂數產生要吃的數字節點..
randomEatData()
#-------------------------------------------------------------------------
# 主迴圈.
#-------------------------------------------------------------------------
running = True
while running:
# 每秒執行fps次
clock.tick(fps)
#---------------------------------------------------------------------
# 判斷輸入.
#---------------------------------------------------------------------
for event in pygame.event.get():
# 離開遊戲.
if event.type == pygame.QUIT:
running = False
# 判斷按下按鈕
if event.type == pygame.KEYDOWN:
# 判斷按下ESC按鈕
if event.key == pygame.K_ESCAPE:
running = False
# 除錯訊息開關.
elif event.key == pygame.K_d:
debug_message = not debug_message
# 10:遊戲開始.
if(game_mode == 10):
#-----------------------------------------------------------------
# 上.
if event.key == pygame.K_UP:
direction = 0
#-----------------------------------------------------------------
# 下.
elif event.key == pygame.K_DOWN:
direction = 1
#-----------------------------------------------------------------
# 左.
elif event.key == pygame.K_LEFT:
direction = 2
#-----------------------------------------------------------------
# 右.
elif event.key == pygame.K_RIGHT:
direction = 3
# 11:Game Over.
elif (game_mode == 11):
if event.key == pygame.K_RETURN:
resetGame()
#---------------------------------------------------------------------
# 邏輯運算.
#---------------------------------------------------------------------
# 10:遊戲開始.
if(game_mode == 10):
# 判斷吃到數字節點.
if(gameAreaArray[snake_x][snake_y] >= 1 and gameAreaArray[snake_x][snake_y] <= 9):
# 加分數.
score += gameAreaArray[snake_x][snake_y]
# 設定要產生的蛇身體數量.
generate_node = gameAreaArray[snake_x][snake_y]
# 清除產生蛇身體數量節點.
gameAreaArray[snake_x][snake_y] = 0
# 亂數產生要吃的數字節點.
randomEatData()
# 蛇前進.
if(gameAreaArray[snake_x][snake_y] == 0):
# 設定蛇身體陣列編號.
gameAreaArray[snake_x][snake_y] = 10
# 將節點加入串列鏈節.
snake_body_linkedList.insert_front([snake_x,snake_y])
# 增加節點.
if(generate_node > 0):
generate_node-=1
else:
# 取得尾節點.
p = snake_body_linkedList.fetch(snake_body_linkedList.size()-1)
# 清除尾節點陣列編號.
gameAreaArray[p[0]][p[1]] = 0
# 刪除尾節點.
snake_body_linkedList.remove_last()
# 控制蛇前進方向.
# 0:上.
if (direction == 0):
snake_y -= 1
# 1:下.
elif (direction == 1):
snake_y += 1
# 2:左.
elif (direction == 2):
snake_x -= 1
# 3:右.
elif (direction == 3):
snake_x += 1
# 失敗.
else:
# 清除產生節點數.
generate_node = 0
# 11:GameOver.
game_mode = 11
#---------------------------------------------------------------------
# 繪製畫面.
#---------------------------------------------------------------------
# 清除畫面.
canvas.fill(darkBlock)
# 外框.
for x in range(game_area_width):
if(gameAreaArray[x][3]==0):
gameAreaArray[x][3] = 10
if(gameAreaArray[x][5]==0):
gameAreaArray[x][5] = 10
if(gameAreaArray[x][game_area_height-1]==0):
gameAreaArray[x][game_area_height-1] = 10
for y in range(5,game_area_height):
if(gameAreaArray[0][y]==0):
gameAreaArray[0][y] = 10
if(gameAreaArray[game_area_width-1][y]==0):
gameAreaArray[game_area_width-1][y] = 10
# 顯示分數.
showFont( str(score), 14, 0, darkGreen, 40)
# 繪製遊戲區.
ix = 15
iy = 2
for y in range(game_area_height):
for x in range(game_area_width):
# 顯示數字-1.
if(gameAreaArray[x][y]==1):
showFont( u"1", ix, iy, darkGreen, 24)
# 顯示數字-2.
elif(gameAreaArray[x][y]==2):
showFont( u"2", ix, iy, darkGreen, 24)
# 顯示數字-3.
elif(gameAreaArray[x][y]==3):
showFont( u"3", ix, iy, darkGreen, 24)
# 顯示數字-4.
elif(gameAreaArray[x][y]==4):
showFont( u"4", ix, iy, darkGreen, 24)
# 顯示數字-5.
elif(gameAreaArray[x][y]==5):
showFont( u"5", ix, iy, darkGreen, 24)
# 顯示數字-6.
elif(gameAreaArray[x][y]==6):
showFont( u"6", ix, iy, darkGreen, 24)
# 顯示數字-7.
elif(gameAreaArray[x][y]==7):
showFont( u"7", ix, iy, darkGreen, 24)
# 顯示數字-8.
elif(gameAreaArray[x][y]==8):
showFont( u"8", ix, iy, darkGreen, 24)
# 顯示數字-9.
elif(gameAreaArray[x][y]==9):
showFont( u"9", ix, iy, darkGreen, 24)
# 方塊.
elif(gameAreaArray[x][y]==10):
showFont( u"⬛", ix, iy, darkGreen, 24)
# 空.
elif(gameAreaArray[x][y]==11):
showFont( u"⠀", ix, iy, darkGreen, 24)
# 除錯.
if(debug_message):
if(gameAreaArray[x][y]!=0):
# 顯示除錯訊息.
showFont( str(gameAreaArray[x][y]), ix, iy, (255, 0, 0), 24)
# 顯示FPS.
showFont( u"FPS:" + str(int(clock.get_fps())), 8, 2, (255, 0, 0), 24)
ix+=12
ix = 15
iy+=12
# 顯示 GameOver.
if(game_mode == 11):
showFont( u"GAME OVER", 300, 280, darkGreen, 40)
# 更新畫面.
pygame.display.update()
# 離開遊戲.
pygame.quit()
quit()
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