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26_PythonGameDevelopment.py
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170 lines (100 loc) · 4.43 KB
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import pygame
import time
import random
pygame.init()
white = (255,255,255)
black = (0,0,0)
red = (255,0,0)
green = (0,155,0)
display_width = 800
display_height = 600
gameDisplay = pygame.display.set_mode((display_width,display_height))
pygame.display.set_caption('Slither')
clock = pygame.time.Clock()
block_size = 20
FPS = 30
font = pygame.font.SysFont(None, 25)
def snake(block_size, snakelist):
for XnY in snakelist:
pygame.draw.rect(gameDisplay, green, [XnY[0],XnY[1],block_size,block_size])
def message_to_screen(msg,color):
screen_text = font.render(msg, True, color)
gameDisplay.blit(screen_text, [display_width/2, display_height/2])
def gameLoop():
gameExit = False
gameOver = False
lead_x = display_width/2
lead_y = display_height/2
lead_x_change = 0
lead_y_change = 0
snakeList = []
snakeLength = 1
randAppleX = round(random.randrange(0, display_width-block_size))#/10.0)*10.0
randAppleY = round(random.randrange(0, display_height-block_size))#/10.0)*10.0
while not gameExit:
while gameOver == True:
gameDisplay.fill(white)
message_to_screen("Game over, press C to play again or Q to quit", red)
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.QUIT:
gameOver = False
gameExit = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_q:
gameExit = True
gameOver = False
if event.key == pygame.K_c:
gameLoop()
for event in pygame.event.get():
if event.type == pygame.QUIT:
gameExit = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
lead_x_change = -block_size
lead_y_change = 0
elif event.key == pygame.K_RIGHT:
lead_x_change = block_size
lead_y_change = 0
elif event.key == pygame.K_UP:
lead_y_change = -block_size
lead_x_change = 0
elif event.key == pygame.K_DOWN:
lead_y_change = block_size
lead_x_change = 0
if lead_x >= display_width or lead_x < 0 or lead_y >= display_height or lead_y < 0:
gameOver = True
lead_x += lead_x_change
lead_y += lead_y_change
gameDisplay.fill(white)
AppleThickness = 30
pygame.draw.rect(gameDisplay, red, [randAppleX, randAppleY, AppleThickness, AppleThickness])
snakeHead = []
snakeHead.append(lead_x)
snakeHead.append(lead_y)
snakeList.append(snakeHead)
if len(snakeList) > snakeLength:
del snakeList[0]
for eachSegment in snakeList[:-1]:
if eachSegment == snakeHead:
gameOver = True
snake(block_size, snakeList)
pygame.display.update()
## if lead_x >= randAppleX and lead_x <= randAppleX + AppleThickness:
## if lead_y >= randAppleY and lead_y <= randAppleY + AppleThickness:
## randAppleX = round(random.randrange(0, display_width-block_size))#/10.0)*10.0
## randAppleY = round(random.randrange(0, display_height-block_size))#/10.0)*10.0
## snakeLength += 1
if lead_x > randAppleX and lead_x < randAppleX + AppleThickness or lead_x + block_size > randAppleX and lead_x + block_size < randAppleX + AppleThickness:
if lead_y > randAppleY and lead_y < randAppleY + AppleThickness:
randAppleX = round(random.randrange(0, display_width-block_size))#/10.0)*10.0
randAppleY = round(random.randrange(0, display_height-block_size))#/10.0)*10.0
snakeLength += 1
elif lead_y + block_size > randAppleY and lead_y + block_size < randAppleY + AppleThickness:
randAppleX = round(random.randrange(0, display_width-block_size))#/10.0)*10.0
randAppleY = round(random.randrange(0, display_height-block_size))#/10.0)*10.0
snakeLength += 1
clock.tick(FPS)
pygame.quit()
quit()
gameLoop()