Question

希望大家度过美好的一天我试图检测我的物体（黑色矩形）和食物图像之间的碰撞我想要的基本做法是每当我的长方形与食物图像碰撞时，食物图像随后被放置在屏幕上并且分数增加+1。

import pygame
import time
import random

pygame.init()

#Colours
white = (255,255,255)
black = (0,0,0)
red = (255,0,0)
green = (0,155,0)

#Game Display
display_width = 800
display_height  = 600
gameDisplay = pygame.display.set_mode((display_width,display_height))
pygame.display.set_caption('KALM Creation')

#Directions
DOWN='down'
UP='up'
LEFT='left'
RIGHT='right'

#Score
score=0

# My food image
foodimg=pygame.image.load("food.png")#.convert_alpha()
foodrect = foodimg.get_rect()
foodrect.centerx = 100
foodrect.centery = 200

#Our Icon For The Game
icon=pygame.image.load('icon1.jpg')
pygame.display.set_icon(icon)

#Clock
clock = pygame.time.Clock()
FPS = 30

cellSize=10

#Font Size
smallfont = pygame.font.SysFont("comicsansms", 25)
medfont = pygame.font.SysFont("comicsansms", 50)
largefont = pygame.font.SysFont("comicsansms", 80)

#The score function - displays the score on top right
def scoredisplay(scoredef=0):
    text=smallfont.render("Score :%s" %(scoredef) ,True ,black)
    gameDisplay.blit(text,[0,0])

#Starting Of the game
def game_intro():

    intro = True
    while intro:    
      for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            quit()
        if event.type == pygame.KEYDOWN:
            if event.key ==pygame.K_c:
                intro = False
            if event.key ==pygame.K_q:
                pygame.quit()
                quit()
        gameDisplay.fill(white)
        #Game Initial display message
        message_to_screen("Welcome To  Eat it Game",
                          green,
                          -200,
                          size="medium")
        message_to_screen("Press 'C' to play the game or 'Q' to quit.",
                          black,
                          150,
                          size="small")
        pygame.display.update()
        clock.tick(15)
#Text Size
def text_objects(text,color, size):
    if size=="small":
        textSurface=smallfont.render(text, True ,color)
    elif size=="medium":
        textSurface=medfont.render(text, True ,color)
    elif size=="large":
        textSurface=largefont.render(text, True ,color)


    return textSurface,textSurface.get_rect()

#Message to screen
def message_to_screen(msg,color,y_displace=0,size="small"):
    textSurf,textRect=text_objects(msg,color,size)
    textRect.center = (display_width / 2),(display_height / 2)+y_displace
    gameDisplay.blit(textSurf,textRect)

#Drawing Cells
def drawCell(coords,ccolor):
    for coord in coords:
        x=coord['x']*cellSize
        y=coord['y']*cellSize
        makeCell=pygame.Rect(x,y,cellSize,cellSize)
        pygame.draw.rect(gameDisplay,ccolor,makeCell)

#The Game run up
def runGame():
    score=0
    gameExit = False
    gameOver = False
    #Starting Position of the object
    startx=3
    starty=3
    coords=[{'x':startx,'y':starty}]
    direction = RIGHT
    while not gameExit:
        while gameOver == True:
            #Game Over message

            gameDisplay.fill(white)
            message_to_screen("Game over",
                              red,
                              y_displace=-50,
                              size="large")
            message_to_screen("Press C to play again or Q to quit",
                              black,
                              y_displace=50,
                              size="medium")

            pygame.display.update()

            for event in pygame.event.get():
                if event.type == pygame.KEYDOWN:
                    if event.key == pygame.K_q:
                        gameExit = True
                        gameOver = False
                    if event.key == pygame.K_c:
                        gameLoop()

        #Game Controls
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                gameExit = True
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT:
                    direction = LEFT
                elif event.key == pygame.K_RIGHT:
                    direction = RIGHT
                elif event.key == pygame.K_UP:
                    direction = UP 
                elif event.key == pygame.K_DOWN:
                    direction = DOWN

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

        del coords[-1]  
        coords.insert(0, newCell)
        gameDisplay.fill(white)
        drawCell(coords,black)
        clock.tick(FPS)

        #If object moves outside the screen , game gets over.
        if(newCell['x']<0 or newCell['y']<0 or newCell['x']>display_width/cellSize or newCell['y']>display_height):
           gameOver= True

        #Displays Score
        scoredisplay(score)

        gameDisplay.blit(foodimg,foodrect)
        #pygame.display.flip()
        pygame.display.update()




#The game run up
def gameLoop():
    clock.tick(FPS)
    runGame()
    pygame.quit()
    quit()
game_intro()
gameLoop()

Answer 1

在drawcell（）中调用：

if makecell.colliderect(foodrect):
    foodrect.x = random.randint(0, sceeenwidth)
    foodrect.y = random.randint(0, screenheight)

应该这样做。

Pygame中图像与对象之间的碰撞检测

1 个答案: